| City | Solar Energy System Type |
|---|
| Aaronsburg, Pennsylvania (PA) 16820 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Abbottstown, Pennsylvania (PA) 17301 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Abington, Pennsylvania (PA) 19001 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ackermanville, Pennsylvania (PA) 18010 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Acme, Pennsylvania (PA) 15610 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Acosta, Pennsylvania (PA) 15520 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Adah, Pennsylvania (PA) 15410 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Adamsburg, Pennsylvania (PA) 15611 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Adamstown, Pennsylvania (PA) 19501 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Adamsville, Pennsylvania (PA) 16110 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Addison, Pennsylvania (PA) 15411 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Adrian, Pennsylvania (PA) 16210 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Airville, Pennsylvania (PA) 17302 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Akron, Pennsylvania (PA) 17501 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Alba, Pennsylvania (PA) 16910 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Albion, Pennsylvania (PA) 16401 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Albrightsville, Pennsylvania (PA) 18210 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Alburtis, Pennsylvania (PA) 18011 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Aleppo, Pennsylvania (PA) 15310 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Alexandria, Pennsylvania (PA) 16611 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Aliquippa, Pennsylvania (PA) 15001 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Allenport, Pennsylvania (PA) 15412 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Allensville, Pennsylvania (PA) 17002 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Allentown, Pennsylvania (PA) 18101 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Allenwood, Pennsylvania (PA) 17810 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Allison, Pennsylvania (PA) 15413 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Allison Park, Pennsylvania (PA) 15101 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Allport, Pennsylvania (PA) 16821 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Altoona, Pennsylvania (PA) 16601 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Alum Bank, Pennsylvania (PA) 15521 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Alverda, Pennsylvania (PA) 15710 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Alverton, Pennsylvania (PA) 15612 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Amberson, Pennsylvania (PA) 17210 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ambler, Pennsylvania (PA) 19002 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ambridge, Pennsylvania (PA) 15003 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Amity, Pennsylvania (PA) 15311 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Analomink, Pennsylvania (PA) 18320 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Andreas, Pennsylvania (PA) 18211 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Anita, Pennsylvania (PA) 15711 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Annville, Pennsylvania (PA) 17003 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Antes Fort, Pennsylvania (PA) 17720 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Apollo, Pennsylvania (PA) 15613 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Aquashicola, Pennsylvania (PA) 18012 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Arcadia, Pennsylvania (PA) 15712 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Archbald, Pennsylvania (PA) 18403 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Arcola, Pennsylvania (PA) 19420 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ardara, Pennsylvania (PA) 15615 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ardmore, Pennsylvania (PA) 19003 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Arendtsville, Pennsylvania (PA) 17303 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Aristes, Pennsylvania (PA) 17920 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Armagh, Pennsylvania (PA) 15920 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Armbrust, Pennsylvania (PA) 15616 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Arnot, Pennsylvania (PA) 16911 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Arona, Pennsylvania (PA) 15617 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Artemas, Pennsylvania (PA) 17211 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ashfield, Pennsylvania (PA) 18212 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ashland, Pennsylvania (PA) 17921 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ashville, Pennsylvania (PA) 16613 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Aspers, Pennsylvania (PA) 17304 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Aston, Pennsylvania (PA) 19014 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Atglen, Pennsylvania (PA) 19310 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Athens, Pennsylvania (PA) 18810 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Atlantic, Pennsylvania (PA) 16111 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Atlasburg, Pennsylvania (PA) 15004 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Auburn, Pennsylvania (PA) 17922 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Audubon, Pennsylvania (PA) 19407 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Aultman, Pennsylvania (PA) 15713 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Austin, Pennsylvania (PA) 16720 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Avella, Pennsylvania (PA) 15312 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Avis, Pennsylvania (PA) 17721 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Avondale, Pennsylvania (PA) 19311 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Avonmore, Pennsylvania (PA) 15618 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Baden, Pennsylvania (PA) 15005 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bainbridge, Pennsylvania (PA) 17502 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bairdford, Pennsylvania (PA) 15006 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bakerstown, Pennsylvania (PA) 15007 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bala Cynwyd, Pennsylvania (PA) 19004 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bally, Pennsylvania (PA) 19503 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bangor, Pennsylvania (PA) 18013 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Barnesville, Pennsylvania (PA) 18214 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bart, Pennsylvania (PA) 17503 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Barto, Pennsylvania (PA) 19504 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bartonsville, Pennsylvania (PA) 18321 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bath, Pennsylvania (PA) 18014 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bausman, Pennsylvania (PA) 17504 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beach Haven, Pennsylvania (PA) 18601 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beach Lake, Pennsylvania (PA) 18405 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beallsville, Pennsylvania (PA) 15313 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bear Creek, Pennsylvania (PA) 18602 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bear Lake, Pennsylvania (PA) 16402 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beaver, Pennsylvania (PA) 15009 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beaver Falls, Pennsylvania (PA) 15010 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beaver Meadows, Pennsylvania (PA) 18216 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beaver Springs, Pennsylvania (PA) 17812 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beaverdale, Pennsylvania (PA) 15921 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beavertown, Pennsylvania (PA) 17813 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beccaria, Pennsylvania (PA) 16616 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bechtelsville, Pennsylvania (PA) 19505 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bedford, Pennsylvania (PA) 15522 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bedminster, Pennsylvania (PA) 18910 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beech Creek, Pennsylvania (PA) 16822 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Belle Vernon, Pennsylvania (PA) 15012 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bellefonte, Pennsylvania (PA) 16823 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Belleville, Pennsylvania (PA) 17004 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bellwood, Pennsylvania (PA) 16617 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Belsano, Pennsylvania (PA) 15922 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bendersville, Pennsylvania (PA) 17306 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Benezett, Pennsylvania (PA) 15821 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bensalem, Pennsylvania (PA) 19020 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bentleyville, Pennsylvania (PA) 15314 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Benton, Pennsylvania (PA) 17814 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Berlin, Pennsylvania (PA) 15530 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bernville, Pennsylvania (PA) 19506 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Berrysburg, Pennsylvania (PA) 17005 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Berwick, Pennsylvania (PA) 18603 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Berwyn, Pennsylvania (PA) 19312 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bessemer, Pennsylvania (PA) 16112 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bethel, Pennsylvania (PA) 19507 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bethel Park, Pennsylvania (PA) 15102 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bethlehem, Pennsylvania (PA) 18015 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Beyer, Pennsylvania (PA) 16211 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Big Cove Tannery, Pennsylvania (PA) 17212 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Big Run, Pennsylvania (PA) 15715 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bigler, Pennsylvania (PA) 16825 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Biglerville, Pennsylvania (PA) 17307 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Birchrunville, Pennsylvania (PA) 19421 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bird in Hand, Pennsylvania (PA) 17505 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Birdsboro, Pennsylvania (PA) 19508 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Black Lick, Pennsylvania (PA) 15716 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blain, Pennsylvania (PA) 17006 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blairs Mills, Pennsylvania (PA) 17213 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blairsville, Pennsylvania (PA) 15717 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blakeslee, Pennsylvania (PA) 18610 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blanchard, Pennsylvania (PA) 16826 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blandburg, Pennsylvania (PA) 16619 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blandon, Pennsylvania (PA) 19510 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blooming Glen, Pennsylvania (PA) 18911 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bloomsburg, Pennsylvania (PA) 17815 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blossburg, Pennsylvania (PA) 16912 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blue Ball, Pennsylvania (PA) 17506 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blue Bell, Pennsylvania (PA) 19422 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Blue Ridge Summit, Pennsylvania (PA) 17214 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Boalsburg, Pennsylvania (PA) 16827 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bobtown, Pennsylvania (PA) 15315 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Boiling Springs, Pennsylvania (PA) 17007 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bolivar, Pennsylvania (PA) 15923 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Boswell, Pennsylvania (PA) 15531 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bovard, Pennsylvania (PA) 15619 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bowers, Pennsylvania (PA) 19511 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bowmansdale, Pennsylvania (PA) 17008 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bowmanstown, Pennsylvania (PA) 18030 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bowmansville, Pennsylvania (PA) 17507 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Boyers, Pennsylvania (PA) 16016 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Boyertown, Pennsylvania (PA) 19512 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Boynton, Pennsylvania (PA) 15532 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brackenridge, Pennsylvania (PA) 15014 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brackney, Pennsylvania (PA) 18812 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Braddock, Pennsylvania (PA) 15104 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bradenville, Pennsylvania (PA) 15620 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bradford, Pennsylvania (PA) 16701 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bradfordwoods, Pennsylvania (PA) 15015 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Branchdale, Pennsylvania (PA) 17923 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Branchton, Pennsylvania (PA) 16021 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brandamore, Pennsylvania (PA) 19316 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brandy Camp, Pennsylvania (PA) 15822 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brave, Pennsylvania (PA) 15316 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Breezewood, Pennsylvania (PA) 15533 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Breinigsville, Pennsylvania (PA) 18031 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bridgeport, Pennsylvania (PA) 19405 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bridgeville, Pennsylvania (PA) 15017 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brier Hill, Pennsylvania (PA) 15415 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brisbin, Pennsylvania (PA) 16620 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bristol, Pennsylvania (PA) 19007 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Broad Top, Pennsylvania (PA) 16621 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brockport, Pennsylvania (PA) 15823 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brockton, Pennsylvania (PA) 17925 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brockway, Pennsylvania (PA) 15824 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brodheadsville, Pennsylvania (PA) 18322 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brogue, Pennsylvania (PA) 17309 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brookhaven, Pennsylvania (PA) 19015 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brooklyn, Pennsylvania (PA) 18813 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brookville, Pennsylvania (PA) 15825 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Broomall, Pennsylvania (PA) 19008 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brownfield, Pennsylvania (PA) 15416 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brownstown, Pennsylvania (PA) 17508 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brownsville, Pennsylvania (PA) 15417 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bruin, Pennsylvania (PA) 16022 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Brush Valley, Pennsylvania (PA) 15720 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bryn Athyn, Pennsylvania (PA) 19009 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bryn Mawr, Pennsylvania (PA) 19010 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Buck Hill Falls, Pennsylvania (PA) 18323 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Buckingham, Pennsylvania (PA) 18912 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Buena Vista, Pennsylvania (PA) 15018 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Buffalo Mills, Pennsylvania (PA) 15534 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bulger, Pennsylvania (PA) 15019 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bunola, Pennsylvania (PA) 15020 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Burgettstown, Pennsylvania (PA) 15021 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Burlington, Pennsylvania (PA) 18814 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Burnham, Pennsylvania (PA) 17009 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Burnside, Pennsylvania (PA) 15721 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Burnt Cabins, Pennsylvania (PA) 17215 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Bushkill, Pennsylvania (PA) 18324 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Butler, Pennsylvania (PA) 16001 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Byrnedale, Pennsylvania (PA) 15827 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cabot, Pennsylvania (PA) 16023 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cadogan, Pennsylvania (PA) 16212 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cairnbrook, Pennsylvania (PA) 15924 | Solar Electric (PV) | Water Heating | Pool-Spa |
| California, Pennsylvania (PA) 15419 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Callensburg, Pennsylvania (PA) 16213 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Callery, Pennsylvania (PA) 16024 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Calumet, Pennsylvania (PA) 15621 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Calvin, Pennsylvania (PA) 16622 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cambra, Pennsylvania (PA) 18611 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cambridge Springs, Pennsylvania (PA) 16403 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cammal, Pennsylvania (PA) 17723 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Camp Hill, Pennsylvania (PA) 17001 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Campbelltown, Pennsylvania (PA) 17010 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Camptown, Pennsylvania (PA) 18815 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Canadensis, Pennsylvania (PA) 18325 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Canonsburg, Pennsylvania (PA) 15317 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Canton, Pennsylvania (PA) 17724 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Carbondale, Pennsylvania (PA) 18407 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cardale, Pennsylvania (PA) 15420 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Carlisle, Pennsylvania (PA) 17013 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Carlton, Pennsylvania (PA) 16311 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Carmichaels, Pennsylvania (PA) 15320 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Carnegie, Pennsylvania (PA) 15106 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Carrolltown, Pennsylvania (PA) 15722 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Carversville, Pennsylvania (PA) 18913 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cashtown, Pennsylvania (PA) 17310 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cassandra, Pennsylvania (PA) 15925 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cassville, Pennsylvania (PA) 16623 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Castanea, Pennsylvania (PA) 17726 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Catasauqua, Pennsylvania (PA) 18032 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Catawissa, Pennsylvania (PA) 17820 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cecil, Pennsylvania (PA) 15321 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cedar Run, Pennsylvania (PA) 17727 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cedars, Pennsylvania (PA) 19423 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Center Valley, Pennsylvania (PA) 18034 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Centerport, Pennsylvania (PA) 19516 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Centerville, Pennsylvania (PA) 16404 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Central City, Pennsylvania (PA) 15926 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Centre Hall, Pennsylvania (PA) 16828 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chadds Ford, Pennsylvania (PA) 19317 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chalfont, Pennsylvania (PA) 18914 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chalk Hill, Pennsylvania (PA) 15421 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chambersburg, Pennsylvania (PA) 17201 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chambersville, Pennsylvania (PA) 15723 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Champion, Pennsylvania (PA) 15622 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chandlers Valley, Pennsylvania (PA) 16312 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Charleroi, Pennsylvania (PA) 15022 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chatham, Pennsylvania (PA) 19318 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cheltenham, Pennsylvania (PA) 19012 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cherry Tree, Pennsylvania (PA) 15724 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cherryville, Pennsylvania (PA) 18035 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chest Springs, Pennsylvania (PA) 16624 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chester, Pennsylvania (PA) 19013 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chester Heights, Pennsylvania (PA) 19017 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chester Springs, Pennsylvania (PA) 19425 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chestnut Ridge, Pennsylvania (PA) 15422 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cheswick, Pennsylvania (PA) 15024 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cheyney, Pennsylvania (PA) 19319 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chicora, Pennsylvania (PA) 16025 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Chinchilla, Pennsylvania (PA) 18410 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Christiana, Pennsylvania (PA) 17509 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clairton, Pennsylvania (PA) 15025 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarence, Pennsylvania (PA) 16829 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarendon, Pennsylvania (PA) 16313 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Claridge, Pennsylvania (PA) 15623 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarington, Pennsylvania (PA) 15828 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarion, Pennsylvania (PA) 16214 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clark, Pennsylvania (PA) 16113 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarks Mills, Pennsylvania (PA) 16114 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarks Summit, Pennsylvania (PA) 18411 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarksburg, Pennsylvania (PA) 15725 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clarksville, Pennsylvania (PA) 15322 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Claysburg, Pennsylvania (PA) 16625 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Claysville, Pennsylvania (PA) 15323 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clearfield, Pennsylvania (PA) 16830 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clearville, Pennsylvania (PA) 15535 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clifford, Pennsylvania (PA) 18413 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clifton Heights, Pennsylvania (PA) 19018 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clinton, Pennsylvania (PA) 15026 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clintonville, Pennsylvania (PA) 16372 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clune, Pennsylvania (PA) 15727 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Clymer, Pennsylvania (PA) 15728 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coal Center, Pennsylvania (PA) 15423 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coal Township, Pennsylvania (PA) 17866 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coaldale, Pennsylvania (PA) 18218 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coalport, Pennsylvania (PA) 16627 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coatesville, Pennsylvania (PA) 19320 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coburn, Pennsylvania (PA) 16832 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cochranton, Pennsylvania (PA) 16314 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cochranville, Pennsylvania (PA) 19330 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cocolamus, Pennsylvania (PA) 17014 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Codorus, Pennsylvania (PA) 17311 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cogan Station, Pennsylvania (PA) 17728 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cokeburg, Pennsylvania (PA) 15324 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Collegeville, Pennsylvania (PA) 19426 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Colmar, Pennsylvania (PA) 18915 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Columbia, Pennsylvania (PA) 17512 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Columbia Cross Roads, Pennsylvania (PA) 16914 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Columbus, Pennsylvania (PA) 16405 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Colver, Pennsylvania (PA) 15927 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Commodore, Pennsylvania (PA) 15729 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Concord, Pennsylvania (PA) 17217 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Concordville, Pennsylvania (PA) 19331 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Conestoga, Pennsylvania (PA) 17516 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Confluence, Pennsylvania (PA) 15424 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Conneaut Lake, Pennsylvania (PA) 16316 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Conneautville, Pennsylvania (PA) 16406 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Connellsville, Pennsylvania (PA) 15425 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Connoquenessing, Pennsylvania (PA) 16027 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Conshohocken, Pennsylvania (PA) 19428 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Conway, Pennsylvania (PA) 15027 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Conyngham, Pennsylvania (PA) 18219 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cooksburg, Pennsylvania (PA) 16217 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coolspring, Pennsylvania (PA) 15730 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coopersburg, Pennsylvania (PA) 18036 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cooperstown, Pennsylvania (PA) 16317 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coplay, Pennsylvania (PA) 18037 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coral, Pennsylvania (PA) 15731 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coraopolis, Pennsylvania (PA) 15108 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cornwall, Pennsylvania (PA) 17016 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Corry, Pennsylvania (PA) 16407 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Corsica, Pennsylvania (PA) 15829 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coudersport, Pennsylvania (PA) 16915 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coulters, Pennsylvania (PA) 15028 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Coupon, Pennsylvania (PA) 16629 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Covington, Pennsylvania (PA) 16917 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cowansville, Pennsylvania (PA) 16218 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Crabtree, Pennsylvania (PA) 15624 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Craley, Pennsylvania (PA) 17312 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cranberry, Pennsylvania (PA) 16319 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cranberry Township, Pennsylvania (PA) 16066 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cranesville, Pennsylvania (PA) 16410 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Creamery, Pennsylvania (PA) 19430 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Creekside, Pennsylvania (PA) 15732 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Creighton, Pennsylvania (PA) 15030 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Crescent, Pennsylvania (PA) 15046 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cresco, Pennsylvania (PA) 18326 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cresson, Pennsylvania (PA) 16630 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cressona, Pennsylvania (PA) 17929 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Crosby, Pennsylvania (PA) 16724 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cross Fork, Pennsylvania (PA) 17729 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Crown, Pennsylvania (PA) 16220 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Croydon, Pennsylvania (PA) 19021 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Crucible, Pennsylvania (PA) 15325 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Crum Lynne, Pennsylvania (PA) 19022 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Crystal Spring, Pennsylvania (PA) 15536 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cuddy, Pennsylvania (PA) 15031 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cumbola, Pennsylvania (PA) 17930 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Curllsville, Pennsylvania (PA) 16221 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Curryville, Pennsylvania (PA) 16631 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Curtisville, Pennsylvania (PA) 15032 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Curwensville, Pennsylvania (PA) 16833 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Custer City, Pennsylvania (PA) 16725 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Cyclone, Pennsylvania (PA) 16726 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dagus Mines, Pennsylvania (PA) 15831 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Daisytown, Pennsylvania (PA) 15427 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dallas, Pennsylvania (PA) 18612 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dallastown, Pennsylvania (PA) 17313 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dalmatia, Pennsylvania (PA) 17017 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dalton, Pennsylvania (PA) 18414 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Damascus, Pennsylvania (PA) 18415 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Danboro, Pennsylvania (PA) 18916 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Danielsville, Pennsylvania (PA) 18038 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Danville, Pennsylvania (PA) 17821 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Darby, Pennsylvania (PA) 19023 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Darlington, Pennsylvania (PA) 16115 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Darragh, Pennsylvania (PA) 15625 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dauphin, Pennsylvania (PA) 17018 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Davidsville, Pennsylvania (PA) 15928 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dawson, Pennsylvania (PA) 15428 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dayton, Pennsylvania (PA) 16222 | Solar Electric (PV) | Water Heating | Pool-Spa |
| De Lancey, Pennsylvania (PA) 15733 | Solar Electric (PV) | Water Heating | Pool-Spa |
| De Young, Pennsylvania (PA) 16728 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Defiance, Pennsylvania (PA) 16633 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Delano, Pennsylvania (PA) 18220 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Delaware Water Gap, Pennsylvania (PA) 18327 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Delmont, Pennsylvania (PA) 15626 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Delta, Pennsylvania (PA) 17314 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Denbo, Pennsylvania (PA) 15429 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Denver, Pennsylvania (PA) 17517 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Derrick City, Pennsylvania (PA) 16727 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Derry, Pennsylvania (PA) 15627 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Devault, Pennsylvania (PA) 19432 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Devon, Pennsylvania (PA) 19333 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dewart, Pennsylvania (PA) 17730 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dickerson Run, Pennsylvania (PA) 15430 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dickson City, Pennsylvania (PA) 18519 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dilliner, Pennsylvania (PA) 15327 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dillsburg, Pennsylvania (PA) 17019 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dilltown, Pennsylvania (PA) 15929 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dimock, Pennsylvania (PA) 18816 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dingmans Ferry, Pennsylvania (PA) 18328 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Distant, Pennsylvania (PA) 16223 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dixonville, Pennsylvania (PA) 15734 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Donegal, Pennsylvania (PA) 15628 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Donora, Pennsylvania (PA) 15033 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dornsife, Pennsylvania (PA) 17823 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Douglassville, Pennsylvania (PA) 19518 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dover, Pennsylvania (PA) 17315 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Downingtown, Pennsylvania (PA) 19335 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Doylesburg, Pennsylvania (PA) 17219 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Doylestown, Pennsylvania (PA) 18901 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dravosburg, Pennsylvania (PA) 15034 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dresher, Pennsylvania (PA) 19025 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Drexel Hill, Pennsylvania (PA) 19026 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Drifting, Pennsylvania (PA) 16834 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Drifton, Pennsylvania (PA) 18221 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Driftwood, Pennsylvania (PA) 15832 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Drumore, Pennsylvania (PA) 17518 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Drums, Pennsylvania (PA) 18222 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dry Run, Pennsylvania (PA) 17220 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Du Bois, Pennsylvania (PA) 15801 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dublin, Pennsylvania (PA) 18917 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dudley, Pennsylvania (PA) 16634 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Duke Center, Pennsylvania (PA) 16729 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dunbar, Pennsylvania (PA) 15431 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Duncannon, Pennsylvania (PA) 17020 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Duncansville, Pennsylvania (PA) 16635 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dunlevy, Pennsylvania (PA) 15432 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dunlo, Pennsylvania (PA) 15930 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Duquesne, Pennsylvania (PA) 15110 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Durham, Pennsylvania (PA) 18039 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Duryea, Pennsylvania (PA) 18642 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dushore, Pennsylvania (PA) 18614 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Dysart, Pennsylvania (PA) 16636 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Eagles Mere, Pennsylvania (PA) 17731 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Eagleville, Pennsylvania (PA) 19408 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Earlington, Pennsylvania (PA) 18918 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Earlville, Pennsylvania (PA) 19519 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Berlin, Pennsylvania (PA) 17316 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Brady, Pennsylvania (PA) 16028 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Butler, Pennsylvania (PA) 16029 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Earl, Pennsylvania (PA) 17519 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Freedom, Pennsylvania (PA) 16637 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Greenville, Pennsylvania (PA) 18041 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Hickory, Pennsylvania (PA) 16321 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Mc Keesport, Pennsylvania (PA) 15035 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Millsboro, Pennsylvania (PA) 15433 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Petersburg, Pennsylvania (PA) 17520 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Pittsburgh, Pennsylvania (PA) 15112 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Prospect, Pennsylvania (PA) 17317 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Smethport, Pennsylvania (PA) 16730 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Smithfield, Pennsylvania (PA) 18817 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Springfield, Pennsylvania (PA) 16411 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Stroudsburg, Pennsylvania (PA) 18301 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Texas, Pennsylvania (PA) 18046 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Vandergrift, Pennsylvania (PA) 15629 | Solar Electric (PV) | Water Heating | Pool-Spa |
| East Waterford, Pennsylvania (PA) 17021 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Easton, Pennsylvania (PA) 18040 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Eau Claire, Pennsylvania (PA) 16030 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ebensburg, Pennsylvania (PA) 15931 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ebervale, Pennsylvania (PA) 18223 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Edgemont, Pennsylvania (PA) 19028 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Edinboro, Pennsylvania (PA) 16412 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Edinburg, Pennsylvania (PA) 16116 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Effort, Pennsylvania (PA) 18330 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Eighty Four, Pennsylvania (PA) 15330 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elco, Pennsylvania (PA) 15434 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elderton, Pennsylvania (PA) 15736 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Eldred, Pennsylvania (PA) 16731 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elgin, Pennsylvania (PA) 16413 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elizabeth, Pennsylvania (PA) 15037 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elizabethtown, Pennsylvania (PA) 17022 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elizabethville, Pennsylvania (PA) 17023 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elkins Park, Pennsylvania (PA) 19027 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elkland, Pennsylvania (PA) 16920 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elliottsburg, Pennsylvania (PA) 17024 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ellsworth, Pennsylvania (PA) 15331 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ellwood City, Pennsylvania (PA) 16117 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elm, Pennsylvania (PA) 17521 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elmhurst, Pennsylvania (PA) 18416 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elmora, Pennsylvania (PA) 15737 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elrama, Pennsylvania (PA) 15038 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elton, Pennsylvania (PA) 15934 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elverson, Pennsylvania (PA) 19520 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Elysburg, Pennsylvania (PA) 17824 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Emeigh, Pennsylvania (PA) 15738 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Emigsville, Pennsylvania (PA) 17318 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Emlenton, Pennsylvania (PA) 16373 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Emmaus, Pennsylvania (PA) 18049 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Emporium, Pennsylvania (PA) 15834 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Endeavor, Pennsylvania (PA) 16322 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Enola, Pennsylvania (PA) 17025 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Enon Valley, Pennsylvania (PA) 16120 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Entriken, Pennsylvania (PA) 16638 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ephrata, Pennsylvania (PA) 17522 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Equinunk, Pennsylvania (PA) 18417 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Erie, Pennsylvania (PA) 16501 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ernest, Pennsylvania (PA) 15739 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Erwinna, Pennsylvania (PA) 18920 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Essington, Pennsylvania (PA) 19029 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Etters, Pennsylvania (PA) 17319 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Evans City, Pennsylvania (PA) 16033 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Everett, Pennsylvania (PA) 15537 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Everson, Pennsylvania (PA) 15631 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Export, Pennsylvania (PA) 15632 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Exton, Pennsylvania (PA) 19341 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Factoryville, Pennsylvania (PA) 18419 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairbank, Pennsylvania (PA) 15435 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairchance, Pennsylvania (PA) 15436 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairfield, Pennsylvania (PA) 17320 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairhope, Pennsylvania (PA) 15538 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairless Hills, Pennsylvania (PA) 19030 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairmount City, Pennsylvania (PA) 16224 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairview, Pennsylvania (PA) 16415 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fairview Village, Pennsylvania (PA) 19409 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fallentimber, Pennsylvania (PA) 16639 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Falls, Pennsylvania (PA) 18615 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Falls Creek, Pennsylvania (PA) 15840 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fannettsburg, Pennsylvania (PA) 17221 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Farmington, Pennsylvania (PA) 15437 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Farrell, Pennsylvania (PA) 16121 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fawn Grove, Pennsylvania (PA) 17321 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fayette City, Pennsylvania (PA) 15438 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fayetteville, Pennsylvania (PA) 17222 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Feasterville Trevose, Pennsylvania (PA) 19053 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Felton, Pennsylvania (PA) 17322 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fenelton, Pennsylvania (PA) 16034 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ferndale, Pennsylvania (PA) 18921 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Finleyville, Pennsylvania (PA) 15332 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fisher, Pennsylvania (PA) 16225 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fishertown, Pennsylvania (PA) 15539 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fleetville, Pennsylvania (PA) 18420 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fleetwood, Pennsylvania (PA) 19522 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fleming, Pennsylvania (PA) 16835 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Flicksville, Pennsylvania (PA) 18050 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Flinton, Pennsylvania (PA) 16640 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Flourtown, Pennsylvania (PA) 19031 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fogelsville, Pennsylvania (PA) 18051 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Folcroft, Pennsylvania (PA) 19032 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Folsom, Pennsylvania (PA) 19033 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fombell, Pennsylvania (PA) 16123 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Forbes Road, Pennsylvania (PA) 15633 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Force, Pennsylvania (PA) 15841 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ford City, Pennsylvania (PA) 16226 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ford Cliff, Pennsylvania (PA) 16228 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Forest City, Pennsylvania (PA) 18421 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Forest Grove, Pennsylvania (PA) 18922 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Forestville, Pennsylvania (PA) 16035 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Forksville, Pennsylvania (PA) 18616 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fort Hill, Pennsylvania (PA) 15540 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fort Littleton, Pennsylvania (PA) 17223 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fort Loudon, Pennsylvania (PA) 17224 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fort Washington, Pennsylvania (PA) 19034 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fountainville, Pennsylvania (PA) 18923 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Foxburg, Pennsylvania (PA) 16036 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Frackville, Pennsylvania (PA) 17931 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Franconia, Pennsylvania (PA) 18924 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Franklin, Pennsylvania (PA) 16323 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Franklintown, Pennsylvania (PA) 17323 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Frederick, Pennsylvania (PA) 19435 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fredericksburg, Pennsylvania (PA) 17026 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fredericktown, Pennsylvania (PA) 15333 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fredonia, Pennsylvania (PA) 16124 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Freeburg, Pennsylvania (PA) 17827 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Freedom, Pennsylvania (PA) 15042 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Freeland, Pennsylvania (PA) 18224 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Freeport, Pennsylvania (PA) 16229 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Frenchville, Pennsylvania (PA) 16836 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Friedens, Pennsylvania (PA) 15541 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Friedensburg, Pennsylvania (PA) 17933 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Friendsville, Pennsylvania (PA) 18818 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Frostburg, Pennsylvania (PA) 15740 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Fryburg, Pennsylvania (PA) 16326 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Furlong, Pennsylvania (PA) 18925 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gaines, Pennsylvania (PA) 16921 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Galeton, Pennsylvania (PA) 16922 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gallitzin, Pennsylvania (PA) 16641 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gans, Pennsylvania (PA) 15439 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gap, Pennsylvania (PA) 17527 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Garards Fort, Pennsylvania (PA) 15334 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gardenville, Pennsylvania (PA) 18926 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gardners, Pennsylvania (PA) 17324 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Garland, Pennsylvania (PA) 16416 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Garrett, Pennsylvania (PA) 15542 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gastonville, Pennsylvania (PA) 15336 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Geigertown, Pennsylvania (PA) 19523 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Genesee, Pennsylvania (PA) 16923 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Georgetown, Pennsylvania (PA) 15043 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Germansville, Pennsylvania (PA) 18053 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gettysburg, Pennsylvania (PA) 17325 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gibbon Glade, Pennsylvania (PA) 15440 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gibson, Pennsylvania (PA) 18820 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gibsonia, Pennsylvania (PA) 15044 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gifford, Pennsylvania (PA) 16732 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gilbert, Pennsylvania (PA) 18331 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gilberton, Pennsylvania (PA) 17934 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gilbertsville, Pennsylvania (PA) 19525 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gillett, Pennsylvania (PA) 16925 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gipsy, Pennsylvania (PA) 15741 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Girard, Pennsylvania (PA) 16417 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Girardville, Pennsylvania (PA) 17935 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gladwyne, Pennsylvania (PA) 19035 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glasgow, Pennsylvania (PA) 16644 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glassport, Pennsylvania (PA) 15045 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glen Campbell, Pennsylvania (PA) 15742 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glen Hope, Pennsylvania (PA) 16645 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glen Lyon, Pennsylvania (PA) 18617 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glen Mills, Pennsylvania (PA) 19342 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glen Richey, Pennsylvania (PA) 16837 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glen Riddle Lima, Pennsylvania (PA) 19037 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glen Rock, Pennsylvania (PA) 17327 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glenmoore, Pennsylvania (PA) 19343 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glenolden, Pennsylvania (PA) 19036 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glenshaw, Pennsylvania (PA) 15116 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glenside, Pennsylvania (PA) 19038 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Glenville, Pennsylvania (PA) 17329 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Goodville, Pennsylvania (PA) 17528 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gordon, Pennsylvania (PA) 17936 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gordonville, Pennsylvania (PA) 17529 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gouldsboro, Pennsylvania (PA) 18424 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gradyville, Pennsylvania (PA) 19039 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grampian, Pennsylvania (PA) 16838 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grand Valley, Pennsylvania (PA) 16420 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grantham, Pennsylvania (PA) 17027 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grantville, Pennsylvania (PA) 17028 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Granville, Pennsylvania (PA) 17029 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Granville Summit, Pennsylvania (PA) 16926 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grapeville, Pennsylvania (PA) 15634 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grassflat, Pennsylvania (PA) 16839 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gratz, Pennsylvania (PA) 17030 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gray, Pennsylvania (PA) 15544 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Graysville, Pennsylvania (PA) 15337 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Great Bend, Pennsylvania (PA) 18821 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Greeley, Pennsylvania (PA) 18425 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Green Lane, Pennsylvania (PA) 18054 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Greencastle, Pennsylvania (PA) 17225 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Greenock, Pennsylvania (PA) 15047 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Greensboro, Pennsylvania (PA) 15338 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Greensburg, Pennsylvania (PA) 15601 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Greentown, Pennsylvania (PA) 18426 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Greenville, Pennsylvania (PA) 16125 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grindstone, Pennsylvania (PA) 15442 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grove City, Pennsylvania (PA) 16127 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Grover, Pennsylvania (PA) 17735 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Guys Mills, Pennsylvania (PA) 16327 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gwynedd, Pennsylvania (PA) 19436 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Gwynedd Valley, Pennsylvania (PA) 19437 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hadley, Pennsylvania (PA) 16130 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Halifax, Pennsylvania (PA) 17032 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hallstead, Pennsylvania (PA) 18822 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hamburg, Pennsylvania (PA) 19526 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hamilton, Pennsylvania (PA) 15744 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hamlin, Pennsylvania (PA) 18427 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hannastown, Pennsylvania (PA) 15635 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hanover, Pennsylvania (PA) 17331 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harborcreek, Pennsylvania (PA) 16421 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harford, Pennsylvania (PA) 18823 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harleigh, Pennsylvania (PA) 18225 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harleysville, Pennsylvania (PA) 19438 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harmonsburg, Pennsylvania (PA) 16422 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harmony, Pennsylvania (PA) 16037 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harrisburg, Pennsylvania (PA) 17101 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harrison City, Pennsylvania (PA) 15636 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harrison Valley, Pennsylvania (PA) 16927 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harrisonville, Pennsylvania (PA) 17228 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harrisville, Pennsylvania (PA) 16038 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hartleton, Pennsylvania (PA) 17829 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hartstown, Pennsylvania (PA) 16131 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harveys Lake, Pennsylvania (PA) 18618 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Harwick, Pennsylvania (PA) 15049 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hastings, Pennsylvania (PA) 16646 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hatboro, Pennsylvania (PA) 19040 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hatfield, Pennsylvania (PA) 19440 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Haverford, Pennsylvania (PA) 19041 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Havertown, Pennsylvania (PA) 19083 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hawk Run, Pennsylvania (PA) 16840 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hawley, Pennsylvania (PA) 18428 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hawthorn, Pennsylvania (PA) 16230 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hazel Hurst, Pennsylvania (PA) 16733 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hazleton, Pennsylvania (PA) 18201 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hegins, Pennsylvania (PA) 17938 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Heilwood, Pennsylvania (PA) 15745 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hellertown, Pennsylvania (PA) 18055 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hendersonville, Pennsylvania (PA) 15339 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Henryville, Pennsylvania (PA) 18332 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hereford, Pennsylvania (PA) 18056 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Herman, Pennsylvania (PA) 16039 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Herminie, Pennsylvania (PA) 15637 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hermitage, Pennsylvania (PA) 16148 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Herndon, Pennsylvania (PA) 17830 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Herrick Center, Pennsylvania (PA) 18430 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hershey, Pennsylvania (PA) 17033 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hesston, Pennsylvania (PA) 16647 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hibbs, Pennsylvania (PA) 15443 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hickory, Pennsylvania (PA) 15340 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hidden Valley, Pennsylvania (PA) 15502 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Highspire, Pennsylvania (PA) 17034 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hiller, Pennsylvania (PA) 15444 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hilliards, Pennsylvania (PA) 16040 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hillsdale, Pennsylvania (PA) 15746 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hillsgrove, Pennsylvania (PA) 18619 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hillsville, Pennsylvania (PA) 16132 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hilltown, Pennsylvania (PA) 18927 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Holbrook, Pennsylvania (PA) 15341 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Holicong, Pennsylvania (PA) 18928 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hollidaysburg, Pennsylvania (PA) 16648 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hollsopple, Pennsylvania (PA) 15935 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Holmes, Pennsylvania (PA) 19043 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Holtwood, Pennsylvania (PA) 17532 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Home, Pennsylvania (PA) 15747 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Homer City, Pennsylvania (PA) 15748 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Homestead, Pennsylvania (PA) 15120 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Honesdale, Pennsylvania (PA) 18431 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Honey Brook, Pennsylvania (PA) 19344 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Honey Grove, Pennsylvania (PA) 17035 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hookstown, Pennsylvania (PA) 15050 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hooversville, Pennsylvania (PA) 15936 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hop Bottom, Pennsylvania (PA) 18824 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hopeland, Pennsylvania (PA) 17533 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hopewell, Pennsylvania (PA) 16650 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hopwood, Pennsylvania (PA) 15445 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Horsham, Pennsylvania (PA) 19044 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hostetter, Pennsylvania (PA) 15638 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Houston, Pennsylvania (PA) 15342 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Houtzdale, Pennsylvania (PA) 16651 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Howard, Pennsylvania (PA) 16841 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hughesville, Pennsylvania (PA) 17737 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hummels Wharf, Pennsylvania (PA) 17831 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hummelstown, Pennsylvania (PA) 17036 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hunker, Pennsylvania (PA) 15639 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hunlock Creek, Pennsylvania (PA) 18621 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Huntingdon, Pennsylvania (PA) 16652 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Huntingdon Valley, Pennsylvania (PA) 19006 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Huntington Mills, Pennsylvania (PA) 18622 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hustontown, Pennsylvania (PA) 17229 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hutchinson, Pennsylvania (PA) 15640 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hyde, Pennsylvania (PA) 16843 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hyde Park, Pennsylvania (PA) 15641 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hydetown, Pennsylvania (PA) 16328 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hyndman, Pennsylvania (PA) 15545 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Hyner, Pennsylvania (PA) 17738 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ickesburg, Pennsylvania (PA) 17037 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Idaville, Pennsylvania (PA) 17337 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Imler, Pennsylvania (PA) 16655 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Immaculata, Pennsylvania (PA) 19345 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Imperial, Pennsylvania (PA) 15126 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Indian Head, Pennsylvania (PA) 15446 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Indiana, Pennsylvania (PA) 15701 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Indianola, Pennsylvania (PA) 15051 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Industry, Pennsylvania (PA) 15052 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ingomar, Pennsylvania (PA) 15127 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Intercourse, Pennsylvania (PA) 17534 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Irvine, Pennsylvania (PA) 16329 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Irvona, Pennsylvania (PA) 16656 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Irwin, Pennsylvania (PA) 15642 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Isabella, Pennsylvania (PA) 15447 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jackson, Pennsylvania (PA) 18825 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jackson Center, Pennsylvania (PA) 16133 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jacobs Creek, Pennsylvania (PA) 15448 | Solar Electric (PV) | Water Heating | Pool-Spa |
| James City, Pennsylvania (PA) 16734 | Solar Electric (PV) | Water Heating | Pool-Spa |
| James Creek, Pennsylvania (PA) 16657 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jamestown, Pennsylvania (PA) 16134 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jamison, Pennsylvania (PA) 18929 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jeannette, Pennsylvania (PA) 15644 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jefferson, Pennsylvania (PA) 15344 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jenkintown, Pennsylvania (PA) 19046 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jenners, Pennsylvania (PA) 15546 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jennerstown, Pennsylvania (PA) 15547 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jermyn, Pennsylvania (PA) 18433 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jerome, Pennsylvania (PA) 15937 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jersey Mills, Pennsylvania (PA) 17739 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jersey Shore, Pennsylvania (PA) 17740 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jessup, Pennsylvania (PA) 18434 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jim Thorpe, Pennsylvania (PA) 18229 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Joffre, Pennsylvania (PA) 15053 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Johnsonburg, Pennsylvania (PA) 15845 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Johnstown, Pennsylvania (PA) 15901 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jones Mills, Pennsylvania (PA) 15646 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Jonestown, Pennsylvania (PA) 17038 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Josephine, Pennsylvania (PA) 15750 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Julian, Pennsylvania (PA) 16844 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Junedale, Pennsylvania (PA) 18230 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kane, Pennsylvania (PA) 16735 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kantner, Pennsylvania (PA) 15548 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Karns City, Pennsylvania (PA) 16041 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Karthaus, Pennsylvania (PA) 16845 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Keisterville, Pennsylvania (PA) 15449 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kelayres, Pennsylvania (PA) 18231 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kelton, Pennsylvania (PA) 19346 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kemblesville, Pennsylvania (PA) 19347 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kempton, Pennsylvania (PA) 19529 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kennerdell, Pennsylvania (PA) 16374 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kennett Square, Pennsylvania (PA) 19348 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kent, Pennsylvania (PA) 15752 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kersey, Pennsylvania (PA) 15846 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kimberton, Pennsylvania (PA) 19442 | Solar Electric (PV) | Water Heating | Pool-Spa |
| King of Prussia, Pennsylvania (PA) 19406 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kingsley, Pennsylvania (PA) 18826 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kingston, Pennsylvania (PA) 18704 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kintnersville, Pennsylvania (PA) 18930 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kinzers, Pennsylvania (PA) 17535 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kirkwood, Pennsylvania (PA) 17536 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kittanning, Pennsylvania (PA) 16201 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kleinfeltersville, Pennsylvania (PA) 17039 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Klingerstown, Pennsylvania (PA) 17941 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Knox, Pennsylvania (PA) 16232 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Knox Dale, Pennsylvania (PA) 15847 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Knoxville, Pennsylvania (PA) 16928 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Koppel, Pennsylvania (PA) 16136 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kossuth, Pennsylvania (PA) 16331 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kreamer, Pennsylvania (PA) 17833 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kresgeville, Pennsylvania (PA) 18333 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kulpmont, Pennsylvania (PA) 17834 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kulpsville, Pennsylvania (PA) 19443 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kunkletown, Pennsylvania (PA) 18058 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kutztown, Pennsylvania (PA) 19530 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Kylertown, Pennsylvania (PA) 16847 | Solar Electric (PV) | Water Heating | Pool-Spa |
| La Belle, Pennsylvania (PA) 15450 | Solar Electric (PV) | Water Heating | Pool-Spa |
| La Jose, Pennsylvania (PA) 15753 | Solar Electric (PV) | Water Heating | Pool-Spa |
| La Plume, Pennsylvania (PA) 18440 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Laceyville, Pennsylvania (PA) 18623 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lackawaxen, Pennsylvania (PA) 18435 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lafayette Hill, Pennsylvania (PA) 19444 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lahaska, Pennsylvania (PA) 18931 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lairdsville, Pennsylvania (PA) 17742 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lake Ariel, Pennsylvania (PA) 18436 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lake City, Pennsylvania (PA) 16423 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lake Como, Pennsylvania (PA) 18437 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lake Harmony, Pennsylvania (PA) 18624 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lake Lynn, Pennsylvania (PA) 15451 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lake Winola, Pennsylvania (PA) 18625 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lakeville, Pennsylvania (PA) 18438 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lakewood, Pennsylvania (PA) 18439 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lamar, Pennsylvania (PA) 16848 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lamartine, Pennsylvania (PA) 16375 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lampeter, Pennsylvania (PA) 17537 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lancaster, Pennsylvania (PA) 17573 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Landenberg, Pennsylvania (PA) 19350 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Landingville, Pennsylvania (PA) 17942 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Landisburg, Pennsylvania (PA) 17040 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Landisville, Pennsylvania (PA) 17538 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lanesboro, Pennsylvania (PA) 18827 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Langeloth, Pennsylvania (PA) 15054 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Langhorne, Pennsylvania (PA) 19047 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lansdale, Pennsylvania (PA) 19446 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lansdowne, Pennsylvania (PA) 19050 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lanse, Pennsylvania (PA) 16849 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lansford, Pennsylvania (PA) 18232 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Laporte, Pennsylvania (PA) 18626 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Larimer, Pennsylvania (PA) 15647 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Latrobe, Pennsylvania (PA) 15650 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lattimer Mines, Pennsylvania (PA) 18234 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Laughlintown, Pennsylvania (PA) 15655 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Laurelton, Pennsylvania (PA) 17835 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Laurys Station, Pennsylvania (PA) 18059 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lavelle, Pennsylvania (PA) 17943 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lawn, Pennsylvania (PA) 17041 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lawrence, Pennsylvania (PA) 15055 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lawrenceville, Pennsylvania (PA) 16929 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lawton, Pennsylvania (PA) 18828 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Le Raysville, Pennsylvania (PA) 18829 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lebanon, Pennsylvania (PA) 17042 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leck Kill, Pennsylvania (PA) 17836 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leckrone, Pennsylvania (PA) 15454 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lecontes Mills, Pennsylvania (PA) 16850 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lederach, Pennsylvania (PA) 19450 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leechburg, Pennsylvania (PA) 15656 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leeper, Pennsylvania (PA) 16233 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leesport, Pennsylvania (PA) 19533 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leetsdale, Pennsylvania (PA) 15056 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lehigh Valley, Pennsylvania (PA) 18001 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lehighton, Pennsylvania (PA) 18235 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lehman, Pennsylvania (PA) 18627 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leisenring, Pennsylvania (PA) 15455 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lemasters, Pennsylvania (PA) 17231 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lemont, Pennsylvania (PA) 16851 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lemont Furnace, Pennsylvania (PA) 15456 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lemoyne, Pennsylvania (PA) 17043 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lenhartsville, Pennsylvania (PA) 19534 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lenni, Pennsylvania (PA) 19052 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lenoxville, Pennsylvania (PA) 18441 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Leola, Pennsylvania (PA) 17540 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Levittown, Pennsylvania (PA) 19054 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lewis Run, Pennsylvania (PA) 16738 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lewisberry, Pennsylvania (PA) 17339 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lewisburg, Pennsylvania (PA) 17837 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lewistown, Pennsylvania (PA) 17044 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lewisville, Pennsylvania (PA) 19351 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Liberty, Pennsylvania (PA) 16930 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lickingville, Pennsylvania (PA) 16332 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lightstreet, Pennsylvania (PA) 17839 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ligonier, Pennsylvania (PA) 15658 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lilly, Pennsylvania (PA) 15938 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Limekiln, Pennsylvania (PA) 19535 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Limeport, Pennsylvania (PA) 18060 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Limestone, Pennsylvania (PA) 16234 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lincoln University, Pennsylvania (PA) 19352 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Linden, Pennsylvania (PA) 17744 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Line Lexington, Pennsylvania (PA) 18932 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Linesville, Pennsylvania (PA) 16424 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lionville, Pennsylvania (PA) 19353 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Listie, Pennsylvania (PA) 15549 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lititz, Pennsylvania (PA) 17543 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Little Meadows, Pennsylvania (PA) 18830 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Littlestown, Pennsylvania (PA) 17340 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Liverpool, Pennsylvania (PA) 17045 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Llewellyn, Pennsylvania (PA) 17944 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lock Haven, Pennsylvania (PA) 17745 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Locust Gap, Pennsylvania (PA) 17840 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Locustdale, Pennsylvania (PA) 17945 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Loganton, Pennsylvania (PA) 17747 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Loganville, Pennsylvania (PA) 17342 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Long Pond, Pennsylvania (PA) 18334 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lopez, Pennsylvania (PA) 18628 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Loretto, Pennsylvania (PA) 15940 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lost Creek, Pennsylvania (PA) 17946 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lowber, Pennsylvania (PA) 15660 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Loyalhanna, Pennsylvania (PA) 15661 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Loysburg, Pennsylvania (PA) 16659 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Loysville, Pennsylvania (PA) 17047 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lucernemines, Pennsylvania (PA) 15754 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lucinda, Pennsylvania (PA) 16235 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Ludlow, Pennsylvania (PA) 16333 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lumberville, Pennsylvania (PA) 18933 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lurgan, Pennsylvania (PA) 17232 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Luthersburg, Pennsylvania (PA) 15848 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Luxor, Pennsylvania (PA) 15662 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Luzerne, Pennsylvania (PA) 18709 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lykens, Pennsylvania (PA) 17048 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lyndell, Pennsylvania (PA) 19354 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lyndora, Pennsylvania (PA) 16045 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Lyon Station, Pennsylvania (PA) 19536 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mackeyville, Pennsylvania (PA) 17750 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Macungie, Pennsylvania (PA) 18062 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Madera, Pennsylvania (PA) 16661 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Madison, Pennsylvania (PA) 15663 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Madisonburg, Pennsylvania (PA) 16852 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mahaffey, Pennsylvania (PA) 15757 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mahanoy City, Pennsylvania (PA) 17948 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mahanoy Plane, Pennsylvania (PA) 17949 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mainesburg, Pennsylvania (PA) 16932 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mainland, Pennsylvania (PA) 19451 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Malvern, Pennsylvania (PA) 19355 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mammoth, Pennsylvania (PA) 15664 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Manchester, Pennsylvania (PA) 17345 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Manheim, Pennsylvania (PA) 17545 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Manns Choice, Pennsylvania (PA) 15550 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Manor, Pennsylvania (PA) 15665 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Manorville, Pennsylvania (PA) 16238 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mansfield, Pennsylvania (PA) 16933 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mapleton Depot, Pennsylvania (PA) 17052 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mar Lin, Pennsylvania (PA) 17951 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marble, Pennsylvania (PA) 16334 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marchand, Pennsylvania (PA) 15758 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marcus Hook, Pennsylvania (PA) 19061 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marianna, Pennsylvania (PA) 15345 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marienville, Pennsylvania (PA) 16239 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marietta, Pennsylvania (PA) 17547 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marion, Pennsylvania (PA) 17235 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marion Center, Pennsylvania (PA) 15759 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marion Heights, Pennsylvania (PA) 17832 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Markleton, Pennsylvania (PA) 15551 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Markleysburg, Pennsylvania (PA) 15459 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mars, Pennsylvania (PA) 16046 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marshalls Creek, Pennsylvania (PA) 18335 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marsteller, Pennsylvania (PA) 15760 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Martin, Pennsylvania (PA) 15460 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Martindale, Pennsylvania (PA) 17549 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Martins Creek, Pennsylvania (PA) 18063 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Martinsburg, Pennsylvania (PA) 16662 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mary D, Pennsylvania (PA) 17952 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Marysville, Pennsylvania (PA) 17053 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Masontown, Pennsylvania (PA) 15461 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Matamoras, Pennsylvania (PA) 18336 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mather, Pennsylvania (PA) 15346 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mattawana, Pennsylvania (PA) 17054 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Maxatawny, Pennsylvania (PA) 19538 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mayport, Pennsylvania (PA) 16240 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Maytown, Pennsylvania (PA) 17550 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Alisterville, Pennsylvania (PA) 17049 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Clellandtown, Pennsylvania (PA) 15458 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Clure, Pennsylvania (PA) 17841 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Connellsburg, Pennsylvania (PA) 17233 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Connellstown, Pennsylvania (PA) 16660 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Donald, Pennsylvania (PA) 15057 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Elhattan, Pennsylvania (PA) 17748 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Ewensville, Pennsylvania (PA) 17749 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Grann, Pennsylvania (PA) 16236 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Intyre, Pennsylvania (PA) 15756 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Kean, Pennsylvania (PA) 16426 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Knightstown, Pennsylvania (PA) 17343 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Sherrystown, Pennsylvania (PA) 17344 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mc Veytown, Pennsylvania (PA) 17051 | Solar Electric (PV) | Water Heating | Pool-Spa |
| McAdoo, Pennsylvania (PA) 18237 | Solar Electric (PV) | Water Heating | Pool-Spa |
| McKees Rocks, Pennsylvania (PA) 15136 | Solar Electric (PV) | Water Heating | Pool-Spa |
| McKeesport, Pennsylvania (PA) 15131 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Meadow Lands, Pennsylvania (PA) 15347 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Meadville, Pennsylvania (PA) 16335 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mechanicsburg, Pennsylvania (PA) 17050 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mechanicsville, Pennsylvania (PA) 18934 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Media, Pennsylvania (PA) 19063 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mehoopany, Pennsylvania (PA) 18629 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Melcroft, Pennsylvania (PA) 15462 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mendenhall, Pennsylvania (PA) 19357 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mentcle, Pennsylvania (PA) 15761 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mercer, Pennsylvania (PA) 16137 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mercersburg, Pennsylvania (PA) 17236 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Merion Station, Pennsylvania (PA) 19066 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Merrittstown, Pennsylvania (PA) 15463 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mertztown, Pennsylvania (PA) 19539 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Meshoppen, Pennsylvania (PA) 18630 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mexico, Pennsylvania (PA) 17056 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Meyersdale, Pennsylvania (PA) 15552 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Middleburg, Pennsylvania (PA) 17842 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Middlebury Center, Pennsylvania (PA) 16935 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Middleport, Pennsylvania (PA) 17953 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Middletown, Pennsylvania (PA) 17057 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Midland, Pennsylvania (PA) 15059 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Midway, Pennsylvania (PA) 15060 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mifflin, Pennsylvania (PA) 17058 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mifflinburg, Pennsylvania (PA) 17844 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mifflintown, Pennsylvania (PA) 17059 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mifflinville, Pennsylvania (PA) 18631 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Milan, Pennsylvania (PA) 18831 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Milanville, Pennsylvania (PA) 18443 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Mildred, Pennsylvania (PA) 18632 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Milesburg, Pennsylvania (PA) 16853 | Solar Electric (PV) | Water Heating | Pool-Spa |
| Milford, Pennsylvania (PA) 18337 | Solar Electric (PV) | |
