PanelCensus

Solar installers in California

3,990 profiled installers based in California, 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
3,990
Recorded installs
1,921,220
State capacity
18.0 GW
Median price
$4.25/W
pre-incentive

Any headquarters

Most active in California

#InstallerInstalls in CA
1Sunrun250,132
2Tesla Energy243,827
3Sunpower113,696
4Rec Commercial33,252
5Semper Solaris32,276
6Bright Ops32,019
7Freedom Forever28,717
8Verengo26,115
9Petersendean24,395
10Infinity Energy22,748
11Baker Electric Solar22,599
12Sungevity Development16,205
13Horizon Solar Power15,907
14Leonard Roofing15,477
15Esp Contracting14,718

Based in the state

Installers headquartered in California

InstallerInstallsCapacityMedian $/WTPOActive since
Sunrun374,8262.6 GW$4.29/W73%1999
Tesla Energy354,7062.8 GW$5.10/W55%1998
Sunpower121,6181.1 GW$4.39/W20%2002
Freedom Forever45,247370.5 MW$4.04/W45%2002
Bright Ops36,450290.3 MW$4.27/W83%2015
Rec Commercial33,264360.0 MW$4.45/W58%2007
Semper Solaris32,276183.5 MW$4.13/W0%2013
Verengo26,158132.6 MW$3.91/W75%2008
Petersendean24,512151.9 MW$3.82/W15%1999
Sungevity Development24,254154.5 MW$3.87/W58%1999
Infinity Energy22,799176.1 MW$4.41/W39%2010
Baker Electric Solar22,599208.2 MW$4.17/W7%2006
Horizon Solar Power15,908119.4 MW$3.99/W76%2010
Leonard Roofing15,47751.7 MW$2.37/W77%2011
Esp Contracting14,71898.2 MW$4.00/W23%2015
Rgs Energy13,576133.1 MW$5.74/W27%1998
Solcius13,18481.2 MW$4.64/W19%2013
V3 Electric12,39583.0 MW$3.85/W77%2013
Freedom Solar11,95797.0 MW$4.11/W23%2009
Complete Solar11,92877.6 MW$4.12/W73%2010
Sunnova Energy11,23147.6 MW$3.75/W94%2014
Citadel Roofing And Solar10,50550.3 MW$2.86/W0%2002
Solarmax10,29081.3 MW$3.37/W13%2009
Better Earth Electric10,27275.8 MW$5.02/W3%2017
Sullivan Solar Power9,70481.8 MW$4.31/W8%2005
Solar Optimum Design Electrical9,23790.0 MW$2.98/W2%2011
Stellar Solar9,00867.1 MW$3.98/W3%2005
Renova Energy8,66599.5 MW$4.07/W42%2008
Abundant Energy Construction7,77957.4 MW$4.65/W32%2016
American Solar Direct7,34341.3 MW$5.88/W44%2009
Hooked On Solar7,18352.3 MW$4.35/W10%2001
Powur Home Construction7,03665.1 MW$4.37/W8%2019
Sun Solar Energy Solutions6,95270.7 MW$3.70/W35%2011
Solartech Energy Systems6,44350.5 MW$3.79/W1%1992
1st Light Energy6,32967.6 MW$4.06/W17%2007
Kota Construction6,15942.1 MW$5.06/W0%2020
Nexus Energy Systems6,12035.1 MW$4.65/W26%2011
Quality Homes Services6,11551.3 MW$4.05/W11%2010
Future Energy Corporation5,62428.3 MW$6.24/W0%2006
Empower Electric5,47538.3 MW$5.26/W1%2008
Bland Company5,44348.9 MW$3.36/W3%2007
Solgen Electric5,35540.5 MW$5.49/W3%2009
Nrg Clean Energy5,19936.2 MW$3.56/W0%2012
Sunstreet Energy Group5,19215.6 MW$3.28/W93%2014
Solar Negotiators4,96648.4 MW$3.64/W0%2013
Sunpro Solar4,90940.3 MW$4.64/W9%2009
Smart Energy Usa4,90033.0 MW$4.16/W53%2010
Kuubix Energy4,88436.4 MW$4.62/W22%2017
Westhaven Power4,79636.2 MW$4.23/W4%2011
Sunworks4,728123.2 MW$3.81/W0%2008
Sunline Energy4,61629.0 MW$3.65/W0%2012
La Solar Group4,58334.1 MW$3.49/W13%2012
Your Energy Solutions4,48929.8 MW$3.66/W0%2009
Solar Technologies4,36052.1 MW$4.67/W4%2001
American Array Solar Electric4,29627.4 MW$3.64/W0%2014
Current Home Solar4,25233.3 MW$4.67/W98%2019
Precis Solar4,02334.1 MW$4.20/W19%2010
Clean Solar3,90225.4 MW$4.27/W2%2007
The Solar Company3,90242.6 MW$5.38/W13%2002
Sunergy Construction3,87527.2 MW$3.74/W36%2004
A1 Solar Power3,74017.3 MW$6.63/W6%2009
Alternative Energy Systems3,65841.9 MW$3.99/W3%2006
Blalock Electric3,62327.5 MW$3.21/W9%2013
West Coast Solar3,59926.8 MW$3.73/W8%2008
A M Sun Solar3,58131.4 MW$3.76/W3%2006
Solar Universe3,58126.1 MW$4.16/W21%2009
Swss Electrical3,54225.9 MW$0.43/W72%2015
Energy Concepts3,53631.4 MW$3.80/W8%2003
California Solar Systems3,53524.1 MW$4.31/W30%2007
Ambrose Solar3,52728.6 MW$4.38/W0%2017
Milholland Electric3,52425.0 MW$5.20/W2%2009
Lennar Homes3,51011.2 MW$3.80/W47%2012
West Coast Solar Norcal3,48824.5 MW$3.75/W2%2007
Allterra Solar3,47919.2 MW$4.51/W2%2009
Adt Solar3,42830.1 MW$4.34/W0%2019
Green Convergence3,38626.3 MW$4.79/W8%2009
Next Phase Electric3,33425.9 MW$4.90/W4%2011
Solar Service Center3,33020.8 MW$4.44/W66%2009
Rockin Roofers3,20521.3 MW$4.18/W0%2009
Sunlux Energy3,18826.4 MW$3.41/W14%2016
Green Day Electric3,13124.7 MW$4.38/W2%2017
Peak Power Solutions3,10319.8 MW$4.68/W13%2008
Home Energy Systems3,02736.1 MW$3.82/W2%2001
Lifestyle Solar3,00017.4 MW$2.97/W61%2009
Gold Rush Energy Solutions2,92625.0 MW$3.69/W4%2016
Suncrest Solar2,92117.5 MW$3.85/W79%2014
Cobalt Power Systems2,91928.1 MW$5.35/W4%2004
High Definition Solar Construction2,8798.7 MW$7.10/W0%2012
Solarcraft Services2,82436.9 MW$4.72/W2%2000
Fidelity Home Energy2,7709.4 MW$6.48/W0%2010
Sungate Energy Solutions2,7695.5 MW$12.73/W0%2009
Exo Energy2,72621.5 MW$4.12/W90%2019
Helio Power2,71629.5 MW$5.10/W36%2003
Palomar Solar2,61823.4 MW$3.61/W0%2010
Luminalt Energy Corporation2,59814.1 MW$6.32/W1%2007
Planet Solar2,59422.2 MW$3.64/W3%2009
Southwest Sun Solar2,55315.0 MW$0.36/W97%2015
Ilum Solar2,49220.4 MW$4.14/W1%2016
Dick Donald P Air Conditioning2,47312.7 MW$2.81/W7%2010
Sonray Construction2,4719.4 MW$3.50/W45%2009

"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 California?

PanelCensus profiles 3,990 installers based in California (5+ recorded installs each), resolved from 1,921,220 recorded installations in the state. Multi-state national installers also operate here — see the "most active" list.

Who is the biggest solar installer in California?

Sunrun has the most recorded installations in California with 250,132 systems.

See installation-level geography on the California solar page.