Solar installers in Connecticut
68 profiled installers based in Connecticut, plus the national companies most active in the state — volume, prices and ownership mix from public data.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Installers based here
68
Recorded installs
63,735
State capacity
1.8 GW
Median price
$3.79/W
pre-incentive
Any headquarters
Most active in Connecticut
| # | Installer | Installs in CT |
|---|---|---|
| 1 | Trinity Solar | 12,485 |
| 2 | Tesla | 7,134 |
| 3 | Sunrun | 5,840 |
| 4 | Posigen | 3,716 |
| 5 | Sunpower | 2,846 |
| 6 | Momentum Solar | 1,712 |
| 7 | Ross Solar Group | 1,393 |
| 8 | Ctec Solar | 1,276 |
| 9 | Sunlight Solar Energy | 1,184 |
| 10 | Earthlight Technologies | 1,162 |
| 11 | Rgs Energy | 1,151 |
| 12 | Roof Diagnostics Solar | 1,005 |
| 13 | Aegis Electrical Systems | 823 |
| 14 | Sungevity | 815 |
| 15 | Direct Energy Solar | 669 |
Based in the state
Installers headquartered in Connecticut
| Installer | Installs | Capacity | Median $/W | TPO | Active since |
|---|---|---|---|---|---|
| Posigen | 5,277 | 36.1 MW | $4.40/W | 85% | 2015 |
| Sunlight Solar Energy | 2,114 | 16.1 MW | $4.25/W | 3% | 2000 |
| Ross Solar Group | 1,687 | 21.9 MW | $3.90/W | 6% | 2008 |
| Earthlight Technologies | 1,413 | 16.7 MW | $3.75/W | 15% | 2013 |
| Ctec Solar | 1,387 | 17.3 MW | $3.77/W | 21% | 2012 |
| Aegis Electrical Systems | 823 | 7.6 MW | $3.70/W | 9% | 2007 |
| Sunblue Energy | 599 | 7.3 MW | $3.48/W | 0% | 2011 |
| Ecosmart Home Services | 519 | 4.9 MW | $3.50/W | 1% | 2012 |
| Befree Green Energy | 518 | 4.7 MW | $3.75/W | 16% | 2009 |
| Encon Heating And Air Dba Environmental Control | 459 | 7.4 MW | $3.90/W | 36% | 2009 |
| Allgreenit | 276 | 2.4 MW | $3.48/W | 3% | 2011 |
| Jd Solar Solutions | 264 | 3.2 MW | $3.50/W | 1% | 2012 |
| Purepoint Energy | 263 | 3.4 MW | $4.18/W | 8% | 2010 |
| Savkat | 188 | 1.9 MW | $3.55/W | 20% | 2018 |
| Waldo Renewable Electric | 181 | 1.7 MW | $5.70/W | 0% | 2006 |
| Shippee Solar And Construction | 170 | 1.5 MW | $3.48/W | 0% | 2011 |
| Litchfield Hills Solar | 148 | 1.2 MW | $4.30/W | 11% | 2010 |
| Earth Smart Solar | 131 | 1.1 MW | $4.00/W | 0% | 2020 |
| Eastern Ct Solar | 90 | 858 kW | $3.17/W | 0% | 2015 |
| Summer Hill Solarllc | 68 | 733 kW | $2.83/W | 1% | 2012 |
| Son Energy Systems | 66 | 713 kW | $3.21/W | 0% | 2015 |
| Pioneer Valley Photovoltaics Cooperative | 58 | 566 kW | $8.13/W | 2% | 2006 |
| Helio Solar | 50 | 632 kW | $3.70/W | 0% | 2021 |
| Consolidated Edison Solutions | 49 | 2.1 MW | $2.83/W | 20% | 2015 |
| Dcs Energy | 49 | 298 kW | $4.20/W | 0% | 2009 |
| Ct Electrical | 42 | 280 kW | $5.80/W | 0% | 2009 |
| Smart Roofs Solar | 42 | 4.8 MW | $2.98/W | 7% | 2015 |
| Harness The Sun | 42 | 390 kW | $3.75/W | 0% | 2013 |
| Gm Industries | 39 | 467 kW | $7.38/W | 0% | 2010 |
| Renewable Resources | 39 | 326 kW | $3.97/W | 18% | 2001 |
| Solarbrite | 39 | 208 kW | $8.60/W | 0% | 2006 |
| Northeast Smart Energy | 37 | 1.0 MW | $3.76/W | 22% | 2011 |
| 64 Solar | 37 | 5.3 MW | $2.63/W | 57% | 2015 |
| Catchinrays | 29 | 249 kW | $4.00/W | 0% | 2014 |
| Bonner Electric | 25 | 208 kW | $4.09/W | 0% | 2010 |
| Ct Solar Power | 19 | 165 kW | $3.80/W | 11% | 2013 |
| Mystic Solar | 17 | 133 kW | $5.91/W | 0% | 2010 |
| No Contractor Selected | 17 | 1.3 MW | $8.27/W | 0% | 2004 |
| Dbs Energy | 17 | 1.2 MW | $5.45/W | 0% | 2009 |
| White Oak Development | 16 | 100 kW | $6.38/W | 0% | 2012 |
| 31Solar | 16 | 132 kW | $3.86/W | 0% | 2014 |
| Tuscany Design Build | 16 | 310 kW | $4.39/W | 19% | 2011 |
| Smart Home | 16 | 107 kW | $4.76/W | 25% | 2008 |
| Kiyak Solar | 15 | 158 kW | $3.33/W | 7% | 2017 |
| Eco Solar Installations | 15 | 85 kW | $4.54/W | 0% | 2014 |
| Sound Solar Systems | 14 | 205 kW | $5.57/W | 0% | 2010 |
| Cpower | 14 | 0 kW | — | 0% | — |
| Ecosolar Installations Lcc | 14 | 1.8 MW | $2.81/W | 29% | 2017 |
| Aec Solar | 13 | 1.8 MW | $3.69/W | 15% | 2020 |
| Made In Usa Solar | 12 | 86 kW | $4.54/W | 0% | 2012 |
| Rwe Clean Energyformerly Conedison Solutions | 12 | 0 kW | — | 0% | — |
| Sundoor Solar | 10 | 70 kW | $4.00/W | 0% | 2010 |
| Sun Harvest Renewable Resources | 10 | 76 kW | $5.65/W | 0% | 2012 |
| Zelek Electric | 8 | 921 kW | $7.18/W | 0% | 2007 |
| Dawn Solar | 8 | 47 kW | $7.80/W | 0% | 2009 |
| Peregrine Renewable Energy | 8 | 808 kW | $3.61/W | 0% | 2017 |
| Soltage | 8 | 11.9 MW | $3.35/W | 25% | 2008 |
| Skyview Ventures | 8 | 766 kW | $3.00/W | 125% | 2013 |
| Verogy | 8 | 2.1 MW | $2.15/W | 25% | 2020 |
| Gloria Spire Solar | 7 | 765 kW | $8.06/W | 0% | 2006 |
| Chabot Electric | 7 | 114 kW | $3.13/W | 0% | 2011 |
| Aegis Solar Energy | 6 | 40 kW | $3.33/W | 0% | 2023 |
| Giuffrida Electric | 6 | 36 kW | $5.19/W | 0% | 2011 |
| Solatek | 6 | 44 kW | $4.88/W | 0% | 2010 |
| Dow Solar | 5 | 28 kW | $7.33/W | 0% | 2014 |
| Ascendant Energy | 5 | 281 kW | $6.81/W | 0% | 2008 |
| Greenleaf Energy Solutions | 5 | 1.3 MW | — | 0% | 2024 |
| Connecticut Solar Electric | 5 | 30 kW | $5.32/W | 0% | 2010 |
"Based in" = the state with the most recorded installs for that installer. Top 100 shown, ordered by volume.
Frequently asked questions
How many solar installers are there in Connecticut?
PanelCensus profiles 68 installers based in Connecticut (5+ recorded installs each), resolved from 63,735 recorded installations in the state. Multi-state national installers also operate here — see the "most active" list.
Who is the biggest solar installer in Connecticut?
Trinity Solar has the most recorded installations in Connecticut with 12,485 systems.
See installation-level geography on the Connecticut solar page.