Solar installers in Connecticut
71 profiled installers based in Connecticut, plus the national companies most active in the state — volume, prices and ownership mix from public data.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
Installers based here
71
Recorded installs
54,917
State capacity
914.4 MW
Median price
$3.78/W
pre-incentive
Any headquarters
Most active in Connecticut
| # | Installer | Installs in CT |
|---|---|---|
| 1 | Trinity Solar | 12,474 |
| 2 | Tesla Energy | 7,094 |
| 3 | Sunrun | 5,831 |
| 4 | Posigen | 3,659 |
| 5 | Sunpower Capital | 2,841 |
| 6 | Momentum Solar | 1,712 |
| 7 | Ross Solar Group | 1,393 |
| 8 | Ctec Solar | 1,274 |
| 9 | Sunlight Solar Energy | 1,181 |
| 10 | Rgs Energy | 1,151 |
| 11 | Roof Diagnostics Solar | 1,005 |
| 12 | Earthlight Technologies | 1,004 |
| 13 | Aegis Electrical Systems | 823 |
| 14 | Sungevity Development | 815 |
| 15 | Direct Energy Solar Formerly Astrum | 671 |
Based in the state
Installers headquartered in Connecticut
| Installer | Installs | Capacity | Median $/W | TPO | Active since |
|---|---|---|---|---|---|
| Posigen | 4,604 | 31.6 MW | $4.40/W | 98% | 2015 |
| Sunlight Solar Energy | 2,023 | 15.5 MW | $4.26/W | 3% | 2000 |
| Ross Solar Group | 1,689 | 21.9 MW | $3.90/W | 6% | 2008 |
| Ctec Solar | 1,390 | 21.3 MW | $3.77/W | 21% | 2012 |
| Earthlight Technologies | 1,207 | 15.3 MW | $3.75/W | 17% | 2013 |
| Aegis Electrical Systems | 823 | 7.6 MW | $3.70/W | 9% | 2007 |
| Befree Green Energy | 518 | 4.7 MW | $3.75/W | 16% | 2009 |
| Encon Heating And Air Dba Environmental Control | 458 | 7.3 MW | $3.90/W | 36% | 2009 |
| Ecosmart Home Services | 447 | 4.2 MW | $3.50/W | 1% | 2012 |
| Allgreenit | 276 | 2.4 MW | $3.48/W | 3% | 2011 |
| Purepoint Energy | 262 | 3.4 MW | $4.18/W | 8% | 2010 |
| Jd Solar Solutions | 251 | 3.1 MW | $3.50/W | 1% | 2012 |
| Waldo Renewable Electric | 180 | 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 |
| Savkat | 138 | 1.4 MW | $3.55/W | 27% | 2018 |
| Earth Smart Solar | 110 | 971 kW | $4.00/W | 0% | 2020 |
| Eastern Ct Solar | 71 | 706 kW | $3.17/W | 0% | 2015 |
| Summer Hill Solarllc | 68 | 733 kW | $2.83/W | 1% | 2012 |
| Centurion Solar Energy | 61 | 1.5 MW | $3.98/W | 16% | 2013 |
| Pioneer Valley Photovoltaics Cooperative | 58 | 566 kW | $8.13/W | 2% | 2006 |
| Son Energy Systems | 57 | 554 kW | $3.21/W | 0% | 2015 |
| Dcs Energy | 49 | 298 kW | $4.20/W | 0% | 2009 |
| Ct Electrical | 42 | 280 kW | $5.80/W | 0% | 2009 |
| Harness The Sun | 40 | 364 kW | $3.75/W | 0% | 2013 |
| Smart Roofs Solar | 40 | 4.4 MW | $2.98/W | 8% | 2015 |
| Gm Industries | 39 | 467 kW | $7.38/W | 0% | 2010 |
| Solarbrite | 39 | 208 kW | $8.60/W | 0% | 2006 |
| Northeast Smart Energy | 38 | 1.1 MW | $3.76/W | 21% | 2011 |
| Renewable Resources | 38 | 325 kW | $3.97/W | 18% | 2002 |
| 64 Solar | 36 | 5.1 MW | $2.87/W | 58% | 2015 |
| Smart Home | 29 | 202 kW | $4.76/W | 14% | 2008 |
| Catchinrays | 29 | 249 kW | $4.00/W | 0% | 2014 |
| Consolidated Edison Solutions | 28 | 6.7 MW | $2.88/W | 36% | 2015 |
| Bonner Electric | 22 | 185 kW | $4.09/W | 0% | 2010 |
| Ct Solar Power | 19 | 165 kW | $3.80/W | 11% | 2013 |
| Mister Sparky Electric | 18 | 99 kW | $5.79/W | 0% | 2011 |
| No Contractor Selected | 17 | 1.3 MW | $8.27/W | 0% | 2004 |
| Mystic Solar | 17 | 133 kW | $5.91/W | 0% | 2010 |
| Dbs Energy | 17 | 1.2 MW | $5.45/W | 0% | 2009 |
| White Oak Development | 16 | 100 kW | $6.38/W | 0% | 2012 |
| Tuscany Design Build | 16 | 310 kW | $4.39/W | 19% | 2011 |
| 31solar | 16 | 132 kW | $3.86/W | 0% | 2014 |
| Kiyak Solar | 15 | 158 kW | $3.33/W | 7% | 2017 |
| Eco Solar Installations | 15 | 85 kW | $4.54/W | 0% | 2014 |
| Cpower | 14 | 0 kW | — | 0% | — |
| Ecosolar Installations Lcc | 14 | 1.8 MW | $2.81/W | 29% | 2017 |
| Sound Solar Systems | 14 | 205 kW | $5.57/W | 0% | 2010 |
| Msl Group | 13 | 1.3 MW | $3.25/W | 0% | 2016 |
| Current Powered By Ge | 13 | 9.1 MW | $2.19/W | 100% | 2018 |
| Rwe Clean Energyformerly Conedison Solutions | 12 | 0 kW | — | 0% | — |
| Made In Usa Solar | 12 | 86 kW | $4.54/W | 0% | 2012 |
| Skyview Ventures | 12 | 839 kW | $3.00/W | 83% | 2013 |
| Verogy | 10 | 2.0 MW | $2.15/W | 20% | 2020 |
| Sundoor Solar | 10 | 70 kW | $4.00/W | 0% | 2010 |
| Sun Harvest Renewable Resources | 10 | 76 kW | $5.65/W | 0% | 2012 |
| Peregrine Renewable Energy | 9 | 1.0 MW | $3.61/W | 0% | 2017 |
| Helio Solar | 9 | 99 kW | $3.70/W | 0% | 2021 |
| Dawn Solar | 9 | 245 kW | $7.80/W | 0% | 2009 |
| Zelek Electric | 8 | 921 kW | $7.18/W | 0% | 2007 |
| Soltage | 8 | 11.9 MW | $4.73/W | 25% | 2008 |
| 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 |
| Aec Solar | 6 | 352 kW | $3.69/W | 33% | 2020 |
| Solatek | 6 | 44 kW | $4.88/W | 0% | 2010 |
| Giuffrida Electric | 6 | 36 kW | $5.19/W | 0% | 2011 |
| Jk Energy Solutions | 5 | 432 kW | $4.78/W | 0% | 2017 |
| Connecticut Solar Electric | 5 | 30 kW | $5.32/W | 0% | 2010 |
| Dow Solar | 5 | 28 kW | $7.33/W | 0% | 2014 |
| Ascendant Energy Company | 5 | 281 kW | $6.81/W | 0% | 2008 |
"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 71 installers based in Connecticut (5+ recorded installs each), resolved from 54,917 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 12,474 systems.
See installation-level geography on the Connecticut solar page.