Solar Power World

2018 Top California Solar Contractors

This is the list of 2018 Top Solar Contractors that are headquartered in California. These companies may also work in different states. The listed kilowatts installed by each company could come from installations in states outside of just California.

The companies below are a segmented portion of the overall 2018 Top Solar Contractors list, organized by kilowatts (DC) installed in 2017.

For more information on Solar Power World‘s annual Top Solar Contractors list, visit our Top Solar Contractors landing page.

To view newer, more current individual lists of solar installers, click here.

RankCompanyOverall RankCityStateEmployeesPrimary MarketPrimary ServiceTotal kW InstalledkW installed in 2017
1SOLV Energy1San DiegoCA437UtilityEPC12,870,940.00889.00
2Cypress Creek Renewables2Santa MonicaCA539UtilityDeveloper2.00869.00
3Arraycon4SacramentoCA200UtilityInstallation Subcontractor2,974,034.20616.00
4Helix Electric5San DiegoCA2600UtilityEPC2,600,000.00550.00
5Rosendin Electric6San JoseCA5500UtilityEPC6,994,852.00374.00
6CSI Electrical Contractors14Santa Fe SpringsCA850UtilityElectrical Subcontractor2,340,900.00222.00
7Baker Electric15EscondidoCA622UtilityElectrical Subcontractor5,280,495.18213.00
8RP Construction Services (RPCS)18MontereyCA55UtilityInstallation Subcontractor2,807,200.00165.00
9Qcells USA20IrvineCA36UtilityEPC1,222,000.00151.00
10Coronal Energy21PasadenaCA105UtilityDeveloper780.00145.00
11Granite Industrial22WatsonvilleCA5000UtilityInstallation Subcontractor6,406,750.00142.00
12Sunpin Solar28IrvineCA28UtilityDeveloper114.0099.00
13M Bar C Construction34San MarcosCA175CommercialInstallation Subcontractor850,000.0081.00
14Cenergy Power41CarlsbadCA50CommercialEPC382,758.0047.00
15A-C Solar47BakersfieldCA320CommercialEPC261.0036.00
16Sunstall48NovatoCA20CommercialInstallation Subcontractor600,000.0036.00
17Petersen-Dean51FremontCA3000ResidentialRooftop Contractor283,437.1035.00
18Baja Construction54MartinezCA135CommercialInstallation Subcontractor410,700.0033.00
19PowerFlex59San DiegoCA60CommercialDeveloper424,821.0029.00
20CalCom Energy61FresnoCA71CommercialEPC140,000.0027.00
21JKB Energy69TurlockCA70CommercialEPC90.0022.00
22Semper Solaris72El CajonCA305ResidentialRooftop Contractor226,092.0019.00
23PermaCity75Los AngelesCA15CommercialDeveloper84.0018.00
24Kuykendall Solar76CoarsegoldCA43CommercialInstallation Subcontractor92,094.0017.00
25Elite Electric86RiversideCA96CommercialInstallation Subcontractor328,063.0014.00
26Collins Electrical88StocktonCA500CommercialEPC174,969.0014.00
27PFMG Solar89Huntington BeachCA25CommercialDeveloper76.0014.00
28Baker Home Energy96EscondidoCA184ResidentialRooftop Contractor163,540.0012.00
29Solar Optimum97GlendaleCA70CommercialDeveloper400,000.0012.00
30SunSystem Technology98Rancho CordovaCA104CommercialInstallation Subcontractor23.0012.00
31Pickett Solar101CaliforniaCA21CommercialEPC103,016.0011.00
32GRID Alternatives102OaklandCA350ResidentialRooftop Contractor78,481.0011.00
33Sustineo Construction105San DiegoCA39CommercialEPC100,000.0011.00
34SouthWest Sun Solar109Garden GroveCA100ResidentialEPC35,000.0010.00
35Infinity Energy110RocklinCA130ResidentialRooftop Contractor123,549.749.00
36Renova Energy112Palm DesertCA160ResidentialEPC207,921.609.00
37Sullivan Solar Power115San DiegoCA101ResidentialRooftop Contractor80.008.00
38Freedom Forever118TemeculaCA219ResidentialEPC1,096,000.008.00
39Solar Technologies125San RamonCA78CommercialEPC64,951.218.00
40M.B. Herzog Electric127ParamountCA225CommercialElectrical Subcontractor71,626.007.00
41Vista Solar129Santa ClaraCA18CommercialDeveloper36.007.00
42Shorebreak Energy Developers136Santa AnaCA80CommercialDeveloper95,310.986.00
43LA Solar Group137San FernandoCA75ResidentialRooftop Contractor150,000.006.00
44Newport Power139San ClementeCA40CommercialRooftop Contractor75,000.006.00
45Sunvalley Solar143WalnutCA15CommercialEPC15.006.00
46V3 Electric154El Dorado HillsCA243ResidentialRooftop Contractor89,677.405.00
47Sun Light & Power159BerkeleyCA79CommercialEPC48,813.904.00
48Alternative Energy Systems162ChicoCA85ResidentialEPC43.004.00
49Renewable Energy Partners167CoronaCA30CommercialEPC97,000.004.00
50Green Solar Technologies172Los AngelesCA115ResidentialEPC15.003.00
51Stellar Solar173OceansideCA50ResidentialEPC868,000.003.00
52Canopy Energy175Van NuysCA100ResidentialDeveloper16,699.003.00
53Arise Solar187FresnoCA48ResidentialRooftop Contractor19.003.00
54Westcoast Solar Energy189Santa RosaCA21CommercialEPC17,751.843.00
55Nova West Solar193FresnoCA22ResidentialEPC16.003.00
56Precis Solar197WildomarCA70ResidentialRooftop Contractor60,998.003.00
57Palomar Solar & Roofing207EscondidoCA26ResidentialEPC28,141.932.00
58Magic Sun Solar208LoomisCA17ResidentialRooftop Contractor16,145.002.00
59Pingo Solar212Jurupa ValleyCA16ResidentialEPC12,250.002.00
60American Solar Power213Los AngelseCA30CommercialInstallation Subcontractor33,880.752.00
61A.M. Sun Solar223Paso RoblesCA49CommercialEPC45,000.002.00
62Mega Solar226ChatsworthCA20ResidentialEPC9.002.00
63Clean Solar227San JoseCA37ResidentialRooftop Contractor26,491.732.00
64North State Solar Energy230Forest RanchCA25CommercialEPC26,500.002.00
65Sunlux231Rancho CucamongaCA65ResidentialRooftop Contractor14,750.802.00
66Solarponics237AtascaderoCA40ResidentialEPC19,339.001.00
67Your Energy Solutions247DublinCA30ResidentialRooftop Contractor9,772.201.00
68Cosmic Solar251VistaCA17ResidentialRooftop Contractor31,955.001.00
69Allterra Solar262Santa CruzCA35ResidentialEPC19,190.001.00
70New Day Solar264MurrietaCA21ResidentialRooftop Contractor26,593.001.00
71Scudder Solar Energy Systems265MarinaCA25CommercialRooftop Contractor34,228.001.00
72Milholland Electric278El CajonCA30ResidentialRooftop Contractor24,686.701.00
73Planet Earth Solar281San ClementeCA5ResidentialEPC6.001.00
74SunOn Energy297AndersonCA20ResidentialEPC3,163.001.00
75Trinity Power299FresnoCA19ResidentialEPC55,594.001.00
76Clayco Electric305AlpineCA7ResidentialRooftop Contractor11,000.00975.00
77Fresco Solar312Morgan HillCA25CommercialInstallation Subcontractor4.00916.70
78Solar Grid USA324HaywardCA50ResidentialInstallation Subcontractor3,682.60827.00
79Highlight Solar332San JoseCA15ResidentialRooftop Contractor10,747.00721.10
80California Solar336Grass ValleyCA22ResidentialEPC10,248.00708.50
81California Solar Electric340OjaiCA23ResidentialEPC8.00693.00
82Skytech Solar350San FranciscoCA12ResidentialRooftop Contractor7.00628.40
83Treepublic368Los AngelesCA18ResidentialEPC54,260.00519.50
84Byers Solar373Grass ValleyCA92ResidentialEPC2,000.00505.30
85CalSun Electric & Solar Systems375Paso RoblesCA7ResidentialEPC1.00502.10
86Unique Solar378San DiegoCA9ResidentialEPC3,180.00478.60
87Earth Electric388San JoseCA8ResidentialRooftop Contractor3,430.67438.50
88SunWork Renewable Energy Projects389MilpitasCA9ResidentialEPC5,009.24433.20
89Cinnamon Energy Systems390CampbellCA10ResidentialRooftop Contractor1.00430.10
90OSullivan Green Solar391CampbellCA11ResidentialRooftop Contractor12.00420.40
91SolarHut397Diamond SpringsCA8ResidentialRooftop Contractor3,000.00380.00
92Vasco Solar403Fountain ValleyCA9ResidentialRooftop Contractor4,024.28337.40
93LuxLight Solar Energy406LockefordCA9ResidentialEPC2,284.00315.80
94A1 Sun412BerkeleyCA9ResidentialRooftop Contractor3.00300.90
95Alternative Power Solutions414SonoraCA4ResidentialRooftop Contractor2,983.00288.10
96Sunlife Residential Contracting424IrvineCA5ResidentialEPC1.00229.30
97Save a Lot Solar425BerkeleyCA6ResidentialEPC5,387.98228.50
98Silverline Home Remodeling428Canoga ParkCA5ResidentialEPC14,701.30214.70
99California Home Solar440Sherman OaksCA12ResidentialRooftop Contractor7,156.35139.10
100Sustainable Technologies441AlamedaCA5CommercialElectrical Subcontractor1.00122.00
101YouVee Solar444RidgecrestCA2ResidentialRooftop Contractor1,500.00107.60
102Run on Sun446PasadenaCA3ResidentialRooftop Contractor994.4194.30

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