Solar · Contra Costa County, CA
Solar installers in Contra Costa County
530 companies have installed solar on 22,918 homes here since 2023. Covers Concord, Antioch, Richmond, San Ramon, Pittsburg, Walnut Creek and nearby towns.
Median installed price in Contra Costa County$4.00/WAbout $24,000 for a 6 kW system, before incentives (California: $4.07/W)
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| SunrunBased in San Francisco, CA · (805) 242-7255 | 4,639 | $3.60/W$0.47 below median |
| SunPowerBased in Richmond, CA · (908) 216-1280 | 1,923 | $4.25/W$0.18 above median |
| TeslaBased in Fremont, CA · (702) 680-6683 | 1,817 | $2.73/W$1.34 below median |
| Bright OpsBased in Worcester, MA · (888) 997-4469 | 1,391 | $5.26/W$1.19 above median |
| Citadel Roofing And SolarBased in Vacaville, CA · (707) 446-5500 | 1,281 | $2.78/W$1.29 below median |
| Freedom ForeverBased in Temecula, CA · (800) 885-9450 | 816 | $4.91/W$0.84 above median |
| Better EarthBased in Cerritos, CA · (888) 373-9379 | 518 | $5.00/W$0.93 above median |
| Got Watts ElectricBased in Pleasant Hill, CA · (925) 421-0957 | 442 | $3.80/W$0.27 below median |
| Semper SolarisBased in El Cajon, CA · (619) 715-4054 | 417 | $4.45/W$0.38 above median |
| West Coast SolarBased in Brentwood, CA · (925) 965-0190 | 366 | $3.78/W$0.29 below median |
| V3 ElectricBased in El Dorado Hills, CA · (844) 837-6937 | 352 | $5.68/W$1.61 above median |
| Ambrose SolarBased in Vacaville, CA · (707) 999-8036 | 339 | $4.53/W$0.46 above median |
| Empower ElectricBased in Clovis, CA · (800) 306-6953 | 316 | $5.65/W$1.58 above median |
| Your Energy SolutionsBased in Livermore, CA · (925) 380-9500 | 303 | $3.90/W$0.17 below median |
| Infinity EnergyBased in Rocklin, CA · (916) 474-4723 | 293 | $4.98/W$0.91 above median |
| KOTA ConstructionBased in Newbury Park, CA · (858) 328-2841 | 266 | $5.14/W$1.07 above median |
| Solar Optimum Design ElectricalBased in Glendale, CA · (818) 804-3122 | 253 | $3.11/W$0.96 below median |
| Sol R Us Electrical EngineeringBased in Concord, CA · (925) 664-8008 | 225 | $3.30/W$0.77 below median |
| Del Sol EnergyBased in Brentwood, CA · (925) 350-4121 | 214 | $3.56/W$0.51 below median |
| Solar Savings DirectBased in Shingle Springs, CA · (530) 344-3237 | 210 | $3.55/W$0.52 below median |
| Diablo Solar ServicesBased in Martinez, CA · (925) 313-0600 | 203 | $4.04/W |
| Solar TechnologiesBased in San Ramon, CA · (925) 939-8300 | 201 | $4.55/W$0.48 above median |
| United Solar ElectricBased in Brentwood, CA · (925) 679-4665 | 187 | $3.50/W$0.57 below median |
| Synergy Power CaBased in Livermore, CA · (925) 273-3515 | 185 | $3.69/W$0.38 below median |
| NRG Clean EnergyBased in Canoga Park, CA · (800) 698-6627 | 183 | $3.24/W$0.83 below median |
| PowurBased in Del Mar, CA · (480) 626-7056 | 182 | $4.33/W$0.26 above median |
| ESP ContractingBased in Torrance, CA · (866) 865-4559 | 171 | $4.23/W$0.16 above median |
| Abundant Energy ConstructionBased in Lehi, UT · (661) 412-9991 | 163 | $5.89/W$1.82 above median |
| Complete SolarBased in Lehi, UT · (877) 299-4943 | 160 | $4.25/W$0.18 above median |
| American Array SolarBased in Livermore, CA · (925) 453-6913 | 155 | $3.07/W$1.00 below median |
| Hooked On SolarBased in Rocklin, CA · (916) 823-3770 | 150 | $4.45/W$0.38 above median |
| North ValleyBased in Sacramento, CA · (916) 550-0358 | 137 | $3.50/W$0.57 below median |
| Northstar SolarBased in Danville, CA · (925) 322-9860 | 122 | $3.71/W$0.36 below median |
| Titan SolarBased in Mesa, AZ · (855) 729-7652 | 118 | $5.28/W$1.21 above median |
| All Electric SolarBased in Livermore, CA · (925) 738-8381 | 106 | $3.90/W$0.17 below median |
| Rockin RoofersBased in Petaluma, CA · (707) 285-7037 | 106 | $4.00/W$0.07 below median |
| Corda SolarBased in Danville, CA · (925) 381-0881 | 100 | $3.37/W$0.70 below median |
| High Definition SolarBased in Concord, CA · (925) 566-8282 | 85 | $5.95/W$1.88 above median |
| Green Day ElectricBased in Sacramento, CA · (916) 758-8030 | 77 | $3.93/W$0.14 below median |
| Illuminate SolarBased in Walnut Creek, CA · (925) 324-7176 | 75 | $3.19/W$0.88 below median |
| NextsolarBased in San Carlos, CA · (650) 375-2430 | 73 | $3.10/W$0.97 below median |
| Senga EnergyBased in El Dorado Hills, CA · (916) 400-9706 | 69 | $4.13/W$0.06 above median |
| Axia SolarBased in Irvine, CA · (949) 748-5996 | 68 | $3.42/W$0.65 below median |
| Future Energy SaversBased in Wilton, CA · (916) 686-3008 | 64 | $6.07/W$2.00 above median |
| Sunlight PowerBased in Berkeley, CA · (510) 845-2997 | 62 | $4.68/W$0.61 above median |
| Nexus Energy SystemsBased in Garden Grove, CA · (805) 799-9788 | 60 | $4.45/W$0.38 above median |
| AP ElectricBased in San Fernando, CA · (818) 373-0077 | 59 | $3.47/W$0.60 below median |
| Bright Energy GroupBased in Benicia, CA · (435) 619-1304 | 59 | $3.77/W$0.30 below median |
| A1 SunBased in Berkeley, CA · (510) 526-5715 | 56 | $5.11/W$1.04 above median |
| Green Air Heating And Air ConditioningBased in Concord, CA · (925) 284-7336 | 55 | $4.19/W$0.12 above median |
| Save A Lot SolarBased in Oakland, CA · (833) 876-5272 | 55 | $4.20/W$0.13 above median |
| Sky Power SolarBased in San Ramon, CA · (925) 327-0980 | 52 | $3.80/W$0.27 below median |
| Kingdom SolarBased in Livermore, CA · (925) 481-8903 | 51 | $3.66/W$0.41 below median |
| Rikety VenturesBased in San Ramon, CA · (925) 202-2238 | 51 | $4.20/W$0.13 above median |
| Hci SolarBased in Walnut Creek, CA · (925) 350-9890 | 49 | $3.64/W$0.43 below median |
| Element Power SystemsBased in Brentwood, CA · (925) 513-1772 | 48 | $4.34/W$0.27 above median |
| Solgen ElectricBased in Logan, UT · (844) 658-0005 | 47 | $6.15/W$2.08 above median |
| East Bay Power SystemsBased in Martinez, CA · (925) 364-6081 | 45 | $4.12/W |
| Gold Rush Energy SolutionsBased in El Dorado Hills, CA · (530) 556-0416 | 44 | $3.56/W$0.51 below median |
| Sierra Roofing And SolarBased in Dublin, CA · (925) 803-1601 | 44 | $3.77/W$0.30 below median |
| Solarpark UsaBased in San Ramon, CA · (510) 483-7200 | 43 | $2.95/W$1.12 below median |
| American EngineeringBased in Roseville, CA · (916) 969-2900 | 40 | $5.85/W$1.78 above median |
| Nabu EnergyBased in Newark, CA · (510) 737-6228 | 38 | $3.27/W$0.80 below median |
| LGCY ElectricBased in Lehi, UT · (855) 353-4899 | 37 | $6.40/W$2.33 above median |
| Silverline Home RemodelingBased in Canoga Park, CA · (855) 884-4790 | 36 | $2.80/W$1.27 below median |
| GAF EnergyBased in San Rafael, CA · (503) 887-9167 | 32 | $7.90/W$3.83 above median |
| Clean SolarBased in San Jose, CA · (888) 551-7652 | 31 | $4.49/W$0.42 above median |
| RoofmaxBased in Livermore, CA · (925) 606-6700 | 30 | $4.07/W |
| Western SierraBased in Pacheco, CA · (925) 681-2141 | 30 | $4.29/W$0.22 above median |
| SolciusBased in Provo, UT · (844) 970-0175 | 29 | $5.25/W$1.18 above median |
| Suntrek IndustriesBased in Irvine, CA · (949) 348-9276 | 29 | $4.20/W$0.13 above median |
| Momentum SolarBased in Metuchen, NJ · (732) 902-6224 | 28 | $2.73/W$1.34 below median |
| Sunlight ElectricBased in Dublin, CA · (888) 554-6786 | 27 | $3.60/W$0.47 below median |
| Ally Electric And SolarBased in Richmond, CA · (510) 559-7700 | 26 | $4.51/W$0.44 above median |
| Spreck SolarBased in Santa Cruz, CA · (831) 332-0466 | 26 | $3.20/W$0.87 below median |
| Hot Watts TechnologyBased in El Cerrito, CA · (510) 508-4466 | 25 | $3.83/W$0.24 below median |
| Levion ConstructionBased in Irvine, CA · (951) 499-5956 | 25 | $6.78/W$2.71 above median |
| Lifestyle SolarBased in Fresno, CA · (559) 228-0229 | 25 | $2.97/W$1.10 below median |
| Mona Lee SolarBased in Sacramento, CA · (844) 666-2533 | 25 | $3.08/W$0.99 below median |
| EXO EnergyBased in Temecula, CA · (760) 502-7448 | 24 | $3.80/W$0.27 below median |
| Ilum Energy SolutionsBased in Sacramento, CA · (888) 696-4586 | 24 | $4.19/W$0.12 above median |
| LytegenBased in Sacramento, CA · (213) 651-6148 | 24 | — |
| Synergy 768Based in Brentwood, CA · (925) 308-9177 | 24 | $4.49/W$0.42 above median |
| Solar and Roof DirectBased in Shingle Springs, CA · (530) 344-3237 | 23 | — |
| Sunwork Renewable EnergyBased in Milpitas, CA · (408) 816-6613 | 23 | $2.81/W$1.26 below median |
| Evo EnergyBased in wappingers Falls, NY · (845) 813-2220 | 22 | $3.28/W$0.79 below median |
| Home FrontBased in Manteca, CA · (209) 482-3972 | 21 | $5.12/W$1.05 above median |
| Mother Nature ConstructionBased in Antioch, CA · (925) 212-7433 | 21 | $2.70/W$1.37 below median |
| SunvaultBased in Fremont, CA · (240) 515-5671 | 21 | $3.05/W$1.02 below median |
| Laibach SolarBased in El Dorado Hills, CA · (530) 388-5536 | 20 | $3.00/W$1.07 below median |
| Solarlink Energy ConstructionBased in Rancho Cordova, CA · (213) 561-4999 | 20 | $3.18/W$0.89 below median |
| Integrated Energy GroupBased in Ontario, CA · (888) 839-2937 | 19 | $4.04/W |
| Penguin Home SolutionsBased in Riverside, CA · (951) 324-5059 | 19 | $4.55/W$0.48 above median |
| SolarunionBased in San Diego, CA · (888) 363-9373 | 19 | $4.09/W |
| SoleevaBased in San Jose, CA · (510) 509-0882 | 19 | $3.28/W$0.79 below median |
| EvergreenBased in Sacramento, CA · (916) 969-3413 | 18 | $3.63/W$0.44 below median |
| Power Solar Structures ConstructionBased in Stockton, CA · (209) 425-4045 | 18 | — |
| TSP Solar Sales And ServicesBased in Hercules, CA · (210) 638-9843 | 18 | $3.92/W$0.15 below median |
| Ilum SolarBased in Sacramento, CA · (888) 696-4586 | 17 | $4.79/W$0.72 above median |
| Nationwide SunBased in Rocklin, CA · (916) 259-2082 | 17 | $3.35/W$0.72 below median |
| Thriving Solar SolutionsBased in San Ramon, CA · (925) 487-5539 | 17 | $3.79/W$0.28 below median |
| Zuha Solar ElectricBased in Tracy, CA · (209) 207-1618 | 17 | $3.48/W$0.59 below median |
| Earthwise Energy SolutionsBased in San Anselmo, CA · (800) 396-6949 | 16 | $4.42/W$0.35 above median |
| Luminalt EnergyBased in San Francisco, CA · (415) 641-4000 | 16 | $5.98/W$1.91 above median |
| Palmetto SolarBased in Charlotte · (516) 509-8192 | 16 | $3.67/W$0.40 below median |
| Quality First Home ImprovementBased in Citrus Heights, CA · (916) 788-2921 | 16 | $5.58/W$1.51 above median |
| Ra Solar CaBased in San Francisco, CA · (800) 804-7958 | 16 | $2.97/W$1.10 below median |
| Cool Earth SolarBased in Pleasanton, CA · (925) 223-8547 | 15 | $3.89/W$0.18 below median |
| Robbins Tylar Jack PhillipBased in Clovis, CA · (801) 477-0084 | 15 | $2.53/W$1.54 below median |
| Semper Fidelis ConstructionBased in Danville, CA · (925) 915-9252 | 15 | $3.83/W$0.24 below median |
| Weiland ElectricBased in El Dorado Hills, CA · (209) 810-2479 | 15 | $3.19/W$0.88 below median |
| All Bay Solar ConstructionBased in San Francisco, CA · (415) 624-3535 | 14 | $4.10/W |
| CSS ConstructionBased in Lebanon, TN · (949) 789-7990 | 14 | $3.03/W$1.04 below median |
| Calpro SolarBased in Brentwood, CA · (925) 420-1006 | 14 | $3.32/W$0.75 below median |
| Myers ElectricBased in Colton, CA · (732) 351-2258 | 14 | $3.01/W$1.06 below median |
| Power Up Energy SolutionsBased in Rocklin, CA · (916) 872-7705 | 14 | — |
| South West BuildersBased in Chatsworth, CA · (855) 808-8887 | 14 | $7.29/W$3.22 above median |
| Albion Power CompanyBased in San Francisco, CA · (415) 558-1786 | 13 | $5.25/W$1.18 above median |
| Clean Energy SolutionBased in San Dimas, CA · (800) 994-1134 | 13 | — |
| Five Star SolarBased in Elk Grove, CA · (916) 581-6715 | 13 | $3.33/W$0.74 below median |
| NC Solar ConstructionBased in Manteca, CA · (209) 740-3551 | 13 | $3.69/W$0.38 below median |
| Planet Oath EnergyBased in Pismo Beach, CA · (831) 706-8930 | 13 | $4.85/W$0.78 above median |
| Pro InstallationBased in Livermore, CA · (925) 380-9500 | 13 | — |
| Alco Building SolutionsBased in Arcadia, CA · (408) 209-3826 | 12 | — |
| Ameco SolarBased in Valley Village, CA · (562) 633-4400 | 12 | $3.68/W$0.39 below median |
| Clear SolarBased in Oakdale, CA · (209) 353-0631 | 12 | $3.91/W$0.16 below median |
| Infinium SolarBased in Campbell, CA · (408) 583-8101 | 12 | $3.95/W$0.12 below median |
| Kuubix EnergyBased in Visalia, CA · (208) 936-2067 | 12 | $5.30/W$1.23 above median |
| Qcells for New HomesBased in Irvine, CA · (760) 578-7215 | 12 | — |
| Spartan Home ServicesBased in Roseville, CA · (916) 596-5624 | 12 | $5.32/W$1.25 above median |
| Sunergy ConstructionBased in Lake Forest, CA · (562) 544-7394 | 12 | $3.68/W$0.39 below median |
| Sunternal SolarBased in San Jose, CA · (408) 612-1474 | 12 | $4.85/W$0.78 above median |
| RW Solar And ElectricBased in Vacaville, CA · (650) 759-5808 | 11 | $3.55/W$0.52 below median |
| Sun Solar ElectricBased in Petaluma, CA · (707) 658-2157 | 11 | $4.38/W$0.31 above median |
| Empower Home ServicesBased in Clovis, CA · (800) 306-6953 | 10 | — |
| Lumio HXBased in Lehi, UT · (385) 390-3539 | 10 | $3.29/W$0.78 below median |
| Net ElectricBased in Oakland, CA · (866) 334-2400 | 10 | — |
| Solar NegotiatorsBased in Fresno, CA · (559) 447-1557 | 10 | $3.80/W$0.27 below median |
| Sun FirstBased in San Rafael, CA · (415) 458-5870 | 10 | $4.21/W$0.14 above median |
| ADT SolarBased in Boca Raton, FL · (985) 882-1408 | 9 | $4.68/W$0.61 above median |
| Affordable Home SolarBased in Union City, CA · (510) 468-8535 | 9 | $3.26/W$0.81 below median |
| Bear Mountain Solar EnergyBased in Orangevale, CA · (916) 298-4810 | 9 | $4.08/W |
| Evergreen BuildersBased in Northridge, CA · (310) 488-8588 | 9 | $5.50/W$1.43 above median |
| Green Stock SolarBased in Napa, CA · (925) 998-8929 | 9 | $3.55/W$0.52 below median |
| J J ElectricBased in Sebastopol, CA · (707) 800-3884 | 9 | $3.67/W$0.40 below median |
| Rme InnovationsBased in Roseville, CA · (916) 871-2992 | 9 | $2.18/W$1.89 below median |
| Solara Home EnergyBased in Rocklin, CA · (916) 259-4034 | 9 | $3.75/W$0.32 below median |
| Sunriver SolarBased in Auburn, CA · (530) 906-7755 | 9 | $3.37/W$0.70 below median |
| Swell ContractorsBased in Santa Monica, CA · (310) 340-0493 | 9 | $3.13/W$0.94 below median |
| Symmetric Solar EnergyBased in Sausalito, CA · (415) 257-3060 | 9 | — |
| Westhaven PowerBased in Yuba City, CA · (530) 554-2970 | 9 | $5.20/W$1.13 above median |
| AcdcBased in Oakley, CA · (925) 247-1370 | 8 | — |
| Century Roof And SolarBased in Hayward, CA · (510) 780-9489 | 8 | $4.97/W$0.90 above median |
| Green Commercial SystemsBased in Sherman Oaks, CA · (888) 721-7374 | 8 | $4.20/W$0.13 above median |
| Interstate Roofing And SolarBased in Oakland, CA · (510) 639-0833 | 8 | $3.63/W$0.44 below median |
| Mid Mathews ConstructionBased in Copperopolis, CA · (209) 484-4788 | 8 | $2.84/W$1.23 below median |
| On Point ElectricBased in Palo Cedro, CA · (530) 338-6693 | 8 | — |
| SWSS ElectricalBased in Garden Grove, CA · (714) 582-3909 | 8 | $3.36/W$0.71 below median |
| Ces ConstructionBased in San Dimas, CA · (800) 994-1134 | 7 | — |
| Eflow Solar EnergyBased in Bethel Island, CA · (888) 305-7652 | 7 | $3.40/W$0.67 below median |
| Golden Gate ElectricBased in Daly City, CA · (415) 676-7717 | 7 | $3.70/W$0.37 below median |
| Indaspec Energy ServicesBased in San Jose, CA · (408) 372-6801 | 7 | $3.80/W$0.27 below median |
| Lightyear SolarBased in Hemet, CA · (909) 871-8016 | 7 | — |
| O Solar MioBased in Fresno, CA · (559) 262-8000 | 7 | $4.73/W$0.66 above median |
| Origin Solar UsaBased in Roseville, CA · (916) 770-5081 | 7 | $3.69/W$0.38 below median |
| Prime SolutionsBased in Roseville, CA · (916) 878-1176 | 7 | $3.39/W$0.68 below median |
| R N R RoofingBased in Redlands, CA · (909) 253-6619 | 7 | $6.04/W$1.97 above median |
| Radius EnergyBased in Salida, CA · (209) 497-6215 | 7 | $4.26/W$0.19 above median |
| Right Now AirBased in Vacaville, CA · (707) 447-3063 | 7 | $6.64/W$2.57 above median |
| Sun At Work SolarBased in Diamond Springs, CA · (530) 575-1883 | 7 | $5.08/W$1.01 above median |
| Sungrade SolarBased in Walnut Creek, CA · (800) 342-7665 | 7 | $4.67/W$0.60 above median |
| Sunnova EnergyBased in Houston, TX · (281) 985-9820 | 7 | $3.99/W$0.08 below median |
| Sustainable Energy SolarBased in South Lake Tahoe, CA · (916) 470-5206 | 7 | $4.72/W$0.65 above median |
| TSP Roofing and SolarBased in Hercules, CA · (925) 233-5358 | 7 | — |
| Titanium SolarBased in Rancho Cucamonga, CA · (626) 689-7198 | 7 | $6.28/W$2.21 above median |
| Trulysun EnergyBased in San Francisco, CA · (501) 550-9134 | 7 | $2.53/W$1.54 below median |
| Twinpeak SolarBased in Fairfield, CA · (707) 344-0295 | 7 | $2.79/W$1.28 below median |
| AmpwrxBased in Lodi, CA · (209) 331-0535 | 6 | $3.39/W$0.68 below median |
| Apollo Home PerformanceBased in Woodland, CA · (530) 312-8545 | 6 | $4.00/W$0.07 below median |
| Cal Sun ConstructionBased in Diamond Springs, CA · (530) 683-5518 | 6 | $3.46/W$0.61 below median |
| Element ElectricBased in Dixon, CA · (707) 693-1651 | 6 | $3.29/W$0.78 below median |
| Golden Gate PhotovoltaicBased in San Lorenzo, CA · (510) 566-4639 | 6 | $3.13/W$0.94 below median |
| GomaxxxBased in Vallejo, CA · (650) 307-9007 | 6 | $2.65/W$1.42 below median |
| Liberty Bay SolarBased in Concord, CA · (925) 307-6173 | 6 | — |
| Mars Builder SolutionsBased in Rocklin, CA · (916) 259-4034 | 6 | — |
| Micro ElectricBased in Danville, CA · (209) 836-4722 | 6 | $3.26/W$0.81 below median |
| Quality Electrical SolutionBased in Livermore, CA · (650) 704-3982 | 6 | $4.73/W$0.66 above median |
| RNC Electric And SolarBased in Antioch, CA · (925) 565-2780 | 6 | — |
| Sameday SolutionsBased in Danville, CA · (925) 318-1834 | 6 | — |
| Skyline Smart EnergyBased in Downey, CA · (503) 702-2622 | 6 | $5.55/W$1.48 above median |
| SolarTech Energy SystemsBased in La Mesa, CA · (619) 743-9193 | 6 | $3.95/W$0.12 below median |
| SunelectricBased in Sacramento, CA · (916) 952-3295 | 6 | $4.44/W$0.37 above median |
| Vital Energy SolutionsBased in Sebastopol, CA · (707) 800-3884 | 6 | — |
| Aztec SolarBased in Rancho Cordova, CA · (916) 853-2700 | 5 | $3.69/W$0.38 below median |
| City Electric GroupBased in Roseville, CA · (408) 564-2245 | 5 | $3.90/W$0.17 below median |
| Clean Point SolarBased in Rohnert Park, CA · (530) 400-0851 | 5 | $2.42/W$1.65 below median |
| Cobalt Power SystemsBased in Mountain View, CA · (650) 938-9574 | 5 | $4.57/W$0.50 above median |
| Cozy Home ServicesBased in Vacaville, CA · (707) 474-5097 | 5 | $4.08/W |
| Demand ConstructionBased in San Fernando, CA · (818) 475-6102 | 5 | $5.91/W$1.84 above median |
| GT Power ConstructionBased in Concord, CA · (510) 283-1588 | 5 | — |
| Green Integrations And ManagementBased in Los Angeles, CA · (818) 900-5471 | 5 | $3.91/W$0.16 below median |
| Home Smart ConstructionBased in San Jose, CA · (669) 215-4415 | 5 | $4.55/W$0.48 above median |
| IntegratesunBased in Sacramento, CA · (855) 999-1850 | 5 | — |
| Mega Power ElectricBased in Woodland Hills, CA · (818) 674-6400 | 5 | $3.30/W$0.77 below median |
| OHM Solar SolutionsBased in Chico, CA · (530) 519-8868 | 5 | $4.48/W$0.41 above median |
| Ogarrio ConstructionBased in Livermore, CA · (925) 858-4322 | 5 | — |
| P J Erwin ElectricBased in Oakland, CA · (510) 282-5015 | 5 | $4.20/W$0.13 above median |
| Rising Sun ElectrifyBased in Hayward, CA · (510) 788-9092 | 5 | — |
| Skyline Energy SaversBased in El Dorado Hills, CA · (916) 933-2773 | 5 | $4.39/W$0.32 above median |
| Solar CenturyBased in Fair Oaks, CA · (916) 505-3836 | 5 | — |
| Solarpro ElectricBased in Perris, CA · (747) 377-4621 | 5 | $5.50/W$1.43 above median |
| Sun Up ElectricBased in Orangevale, CA · (916) 812-2879 | 5 | $3.01/W$1.06 below median |
| Superior Solar Electric GroupBased in Rancho Cordova, CA · (714) 362-7363 | 5 | $2.55/W$1.52 below median |
| True Renewable EnergyBased in Livermore, CA · (925) 922-2730 | 5 | $6.11/W$2.04 above median |
| Upscale EnergyBased in Gustine, CA · (209) 860-2921 | 5 | $4.62/W$0.55 above median |
| American Renewable EnergyBased in Campbell, CA · (323) 437-7429 | 4 | $8.95/W$4.88 above median |
| California Renewable EnergyBased in Roseville, CA · (888) 414-8002 | 4 | $5.95/W$1.88 above median |
| Coastside Renewable EnergyBased in Pacifica, CA · (415) 501-0540 | 4 | $3.46/W$0.61 below median |
| Cyberdyne ConstructionBased in Poway, CA · (858) 335-7517 | 4 | $4.96/W$0.89 above median |
| Excite EnergyBased in El Dorado Hills, CA · (916) 914-8900 | 4 | $3.35/W$0.72 below median |
| Highlands Energy ServicesBased in Fresno, CA · (559) 974-2686 | 4 | $4.10/W |
| Ie ConstructionBased in Ontario, CA · (888) 839-2937 | 4 | $3.00/W$1.07 below median |
| JHP ElectricBased in Elk Grove, CA · (916) 717-8240 | 4 | $3.37/W$0.70 below median |
| NT ElectricBased in Sunnyvale, CA · (215) 588-1129 | 4 | $3.61/W$0.46 below median |
| Oxford Intelligent EnergyBased in Walnut, CA · (213) 766-0340 | 4 | — |
| Pioneer Solar ServicesBased in Nevada City, CA · (530) 264-0295 | 4 | $4.44/W$0.37 above median |
| Power SolarBased in Dublin, CA · (925) 202-2238 | 4 | — |
| Project SolarBased in Lehi, UT · (801) 471-0853 | 4 | $2.57/W$1.50 below median |
| ProsolarBased in Culver City, CA · (813) 863-9462 | 4 | $2.89/W$1.18 below median |
| Richard Heath AssociatesBased in Fresno, CA · (559) 447-7000 | 4 | — |
| SPS ElectricBased in Corona, CA · (800) 346-7665 | 4 | $4.72/W$0.65 above median |
| Santa Cruz SolarBased in Soquel, CA · (530) 400-8593 | 4 | $3.25/W$0.82 below median |
| Sepac EnergyBased in Fair Oaks, CA · (916) 241-3322 | 4 | $3.48/W$0.59 below median |
| SolarfargoBased in San Jose, CA · (415) 813-8957 | 4 | $3.32/W$0.75 below median |
| SolarsesameBased in Hayward, CA · (866) 512-3566 | 4 | — |
| Sun PiratesBased in Danville, CA · (209) 769-6411 | 4 | $3.85/W$0.22 below median |
| Sungold EnergyBased in Stanfield, AZ · (844) 666-2533 | 4 | $3.02/W$1.05 below median |
| Sutro PowerBased in San Francisco, CA · (951) 534-6324 | 4 | $3.88/W$0.19 below median |
| Acr Solar InternationalBased in Carmichael, CA · (916) 481-7200 | 3 | $3.91/W$0.16 below median |
| Akh Energy ConstructionBased in Berkeley, CA · (510) 292-8721 | 3 | $3.25/W$0.82 below median |
| Bryton PowerBased in Lindon, UT · (949) 927-9866 | 3 | $3.45/W$0.62 below median |
| Ca Sunrise ConstructionBased in San Bruno, CA · (415) 424-8801 | 3 | $3.59/W$0.48 below median |
| California Solar IntegratorsBased in Los Angeles, CA · (858) 382-4867 | 3 | $3.06/W$1.01 below median |
| Cez Electric and MaintenanceBased in Antioch, CA · (925) 759-0279 | 3 | — |
| Charged Up EnergyBased in Arcadia, CA · (559) 759-4915 | 3 | $5.87/W$1.80 above median |
| Cinnamon SolarBased in Los Gatos, CA · (408) 883-7000 | 3 | $3.97/W$0.10 below median |
| Devine Solar SolutionsBased in Napa, CA · (707) 343-4221 | 3 | $4.36/W$0.29 above median |
| Elite Energy ElectricBased in Santa Cruz, CA · (831) 706-0722 | 3 | — |
| Energy Saving ProsBased in Loomis, CA · (916) 259-2501 | 3 | $3.26/W$0.81 below median |
| Flagship SolarBased in Bakersfield, CA · (661) 495-3838 | 3 | $2.50/W$1.57 below median |
| Freedom Green ConstructionBased in Campbell, CA · (408) 613-2300 | 3 | $4.23/W$0.16 above median |
| Global EnergyBased in Roseville, CA · (844) 979-1712 | 3 | $5.02/W$0.95 above median |
| Haven Energy ServicesBased in Austin, TX · (310) 402-4962 | 3 | — |
| I Love MY SolarBased in Ione, CA · (209) 712-3301 | 3 | $3.33/W$0.74 below median |
| JD Energy SolutionsBased in Fremont, CA · (909) 748-1300 | 3 | $3.50/W$0.57 below median |
| Lightday SolarBased in Hemet, CA · (909) 871-8016 | 3 | — |
| Linkus EnterprisesBased in Anderson, CA · (951) 415-2157 | 3 | $3.80/W$0.27 below median |
| Master Roofing SolutionsBased in Sacramento, CA · (530) 718-8234 | 3 | $2.50/W$1.57 below median |
| Mirador ConstructionBased in Fairfield, CA · (707) 301-8933 | 3 | $3.30/W$0.77 below median |
| Newgen EnergyBased in Loomis, CA · (916) 666-3715 | 3 | $3.43/W$0.64 below median |
| Off Grid Energy SolutionsBased in American Fork, UT · (208) 243-6701 | 3 | — |
| RX SolarBased in Oakland, CA · (510) 973-6490 | 3 | — |
| Rci SolarBased in Herald, CA · (209) 747-2414 | 3 | $3.33/W$0.74 below median |
| River Gardens ConstructionBased in Stockton, CA · (209) 594-5717 | 3 | — |
| SecutechBased in Fresno, CA · (559) 493-5366 | 3 | $3.11/W$0.96 below median |
| Sensible ConstructionBased in Pleasanton, CA · (925) 408-5076 | 3 | — |
| Simple PowerBased in Allen, TX · (661) 505-9000 | 3 | $3.88/W$0.19 below median |
| SolcoreBased in Rancho Cordova, CA · (833) 765-2673 | 3 | $5.93/W$1.86 above median |
| Sun Solutions SolarBased in Berkeley, CA · (603) 494-8843 | 3 | — |
| Sunlight EnergyBased in Yuba City, CA · (530) 300-2333 | 3 | $2.83/W$1.24 below median |
| Suns Free SolarBased in Alameda, CA · (510) 390-1876 | 3 | $4.20/W$0.13 above median |
| Super SolarBased in San Francisco, CA · (510) 282-1185 | 3 | $3.79/W$0.28 below median |
| Technical Specialty SolutionsBased in Copperopolis, CA · (916) 879-7665 | 3 | $3.00/W$1.07 below median |
| Thrive PowerBased in Provo, UT · (916) 500-4174 | 3 | — |
| Tri Solar ElectricBased in Modesto, CA · (925) 318-1834 | 3 | — |
| Trusource EnergyBased in Danville, CA · (925) 858-4220 | 3 | — |
| Velascos ElectricalBased in Modesto, CA · (209) 595-9039 | 3 | $4.23/W$0.16 above median |
| Volt ModernBased in Rocklin, CA · (916) 877-8658 | 3 | $3.74/W$0.33 below median |
| Wholly ConstructionBased in San Ramon, CA · (925) 895-5637 | 3 | — |
| Wired Into The FutureBased in Pleasant Hill, CA · (925) 872-3408 | 3 | — |
| Zvik SaharBased in Van Nuys, CA · (323) 336-7373 | 3 | — |
| 1St Light EnergyBased in Manteca, CA · (209) 824-5500 | 2 | $2.91/W$1.16 below median |
| A1 Guaranteed Heating AirBased in Vallejo, CA · (707) 645-0734 | 2 | — |
| Aj Solar ElectricBased in Clovis, CA · (559) 281-7025 | 2 | $4.06/W |
| All Save EnergyBased in Lodi, CA · (209) 810-2575 | 2 | $3.33/W$0.74 below median |
| American SolarBased in Sausalito, CA · (415) 868-1111 | 2 | $4.07/W |
| Amp Solar ElectricBased in Rodeo, CA · (510) 253-3049 | 2 | — |
| BDH Electrical ConstructionBased in Chino, CA · (877) 765-2388 | 2 | $4.93/W$0.86 above median |
| Brightsun Energy CaBased in Huntington Beach, CA · (949) 813-3990 | 2 | — |
| Diamond Solar SolutionsBased in Diamond Springs, CA · (530) 363-8112 | 2 | $3.01/W$1.06 below median |
| Divine Power UsaBased in Bakersfield, CA · (661) 557-0027 | 2 | $4.08/W |
| Ecoterium SolarBased in Walnut Creek, CA · (925) 956-6789 | 2 | — |
| Elite Home RemodelingBased in Burbank, CA · (323) 998-8181 | 2 | $7.91/W$3.84 above median |
| Evolution SolarBased in Santa Clara, CA · (408) 836-7500 | 2 | $3.68/W$0.39 below median |
| GlensolBased in Glendale, CA · (909) 964-7184 | 2 | — |
| Golden Bear SolarBased in Los Gatos, CA · (408) 348-0980 | 2 | $3.60/W$0.47 below median |
| Graham SolarBased in Roseville, CA · (844) 500-7652 | 2 | $5.00/W$0.93 above median |
| Green ConceptionBased in Burbank, CA · (818) 319-9898 | 2 | $3.45/W$0.62 below median |
| Green Leaf Solar ElectricBased in San Jose, CA · (408) 691-4743 | 2 | $3.62/W$0.45 below median |
| Green Light ConstructionBased in Los Angeles, CA · (415) 717-0117 | 2 | — |
| Green Line SolarBased in Novato, CA · (415) 495-4950 | 2 | $4.00/W$0.07 below median |
| Green Mile EnergyBased in Sun Valley, CA · (800) 714-8935 | 2 | $3.60/W$0.47 below median |
| Harness Building SolutionsBased in Norco, CA · (951) 310-2812 | 2 | $5.69/W$1.62 above median |
| Home Upgrade SpecialistBased in Los Angeles, CA · (833) 446-6387 | 2 | $4.99/W$0.92 above median |
| Jr Power SystemsBased in Concord, CA · (925) 202-2019 | 2 | — |
| Kat Electric ServiceBased in Bay Point, CA · (925) 285-5118 | 2 | — |
| Kodiak Roofing And WaterproofingBased in Roseville, CA · (916) 907-7645 | 2 | $6.67/W$2.60 above median |
| La Solar GroupBased in Van Nuys, CA · (818) 373-0077 | 2 | $4.79/W$0.72 above median |
| Le HomesBased in Woodlake, CA · (800) 595-9767 | 2 | $6.34/W$2.27 above median |
| Lundy Solar RoofingBased in Dublin, CA · (408) 459-2273 | 2 | $3.61/W$0.46 below median |
| Mars Home SolutionsBased in Rocklin, CA · (530) 344-3237 | 2 | — |
| Modern Pro SolutionsBased in Chino, CA · (844) 773-3823 | 2 | $6.12/W$2.05 above median |
| Next Phase ElectricBased in Bakersfield, CA · (661) 878-7576 | 2 | $4.89/W$0.82 above median |
| Norcal BuildersBased in Brentwood, CA · (925) 584-1040 | 2 | — |
| Northern California SolarBased in Manteca, CA · (510) 449-7618 | 2 | — |
| Porticade EnergyBased in Lehi, UT · (801) 602-7237 | 2 | — |
| Quattro SolarBased in Novato, CA · (415) 312-2661 | 2 | — |
| Rodriguez Bros ElectricBased in Madera, CA · (559) 352-9284 | 2 | — |
| Safe Haven SolarBased in Sutter, CA · (530) 649-4831 | 2 | $4.55/W$0.48 above median |
| SimmitriBased in Morgan Hill, CA · (408) 779-3333 | 2 | $4.44/W$0.37 above median |
| Slingshot PowerBased in San Jose, CA · (408) 770-6606 | 2 | $2.94/W$1.13 below median |
| Sol Nova ElectricBased in San Marcos, CA · (760) 470-6682 | 2 | $5.52/W$1.45 above median |
| Solar RepairBased in Norco, CA · (951) 905-9227 | 2 | $3.97/W$0.10 below median |
| SolarMaxBased in Riverside, CA · (951) 300-0755 | 2 | $3.65/W$0.42 below median |
| Source EnergyBased in Castro Valley, CA · (925) 276-5121 | 2 | — |
| Sparkpro ElectricBased in Oakland, CA · (510) 680-6985 | 2 | — |
| State Wide ElectricBased in Sanger, CA · (559) 259-4129 | 2 | $4.89/W$0.82 above median |
| Sun MetricsBased in Davis, CA · (831) 588-8492 | 2 | $3.77/W$0.30 below median |
| Sunny Creek SolarBased in Esparto, CA · (530) 650-9770 | 2 | $2.08/W$1.99 below median |
| Switch EnergyBased in Irvine, CA · (951) 537-5377 | 2 | — |
| Trublue Total House CareBased in Amador City, CA · (925) 202-2238 | 2 | — |
| Turn Key ConstructionBased in Fresno, CA · (559) 321-8130 | 2 | $3.29/W$0.78 below median |
| Urban DesignBased in Paradise, CA · (530) 345-0005 | 2 | $3.50/W$0.57 below median |
| Valley Solar And WaterBased in Sacramento, CA · (916) 254-5111 | 2 | $3.41/W$0.66 below median |
| Villara Building SystemsBased in Mcclellan, CA · (916) 240-5695 | 2 | $3.01/W$1.06 below median |
| Visionary Property SolutionsBased in Fremont, CA · (510) 943-8893 | 2 | $3.04/W$1.03 below median |
| Weber Solar EnergyBased in Auburn, CA · (650) 622-2179 | 2 | $2.95/W$1.12 below median |
| Well Grounded ElectricBased in Oakland, CA · (209) 629-0941 | 2 | — |
| Zenernet SolarBased in Phoenix, AZ · (602) 704-2048 | 2 | $3.87/W$0.20 below median |
| A - 1 Home RepairsBased in San Jose, CA · (408) 489-6933 | 1 | — |
| Ab ElectricBased in Brentwood, CA · (925) 260-1152 | 1 | — |
| Accelerated Environmental ServicesBased in Taft, CA · (661) 765-4003 | 1 | — |
| Acosta And DaughtersBased in Oakdale, CA · (209) 872-4815 | 1 | — |
| Adriatic BuildersBased in Hercules, CA · (775) 350-3013 | 1 | — |
| Advanced Home EnergyBased in Petaluma, CA · (707) 364-5915 | 1 | — |
| Ahsolar Pro SolutionsBased in Union City, CA · (510) 468-8535 | 1 | $4.78/W$0.71 above median |
| All State ConstructionBased in Los Angeles, CA · (323) 206-2301 | 1 | $6.78/W$2.71 above median |
| Alliance Home RepairBased in Oakdale, CA · (951) 252-6576 | 1 | — |
| Allterra SolarBased in Santa Cruz, CA · (831) 425-2608 | 1 | $4.80/W$0.73 above median |
| Alpha Construction & SolutionsBased in San Francisco, CA · (510) 931-8392 | 1 | — |
| American Green Home BuilderBased in San Jose, CA · (408) 581-5742 | 1 | — |
| Anatoli ElectricBased in Concord, CA · (408) 930-0953 | 1 | — |
| Arlo Elite EnterprisesBased in Brentwood, CA · (925) 207-3928 | 1 | — |
| Arvo SolarBased in Clements, CA · (916) 889-0436 | 1 | $3.22/W$0.85 below median |
| Aum Home SolutionsBased in Dublin, CA · (510) 565-2652 | 1 | — |
| Aztech SolarBased in Clovis, CA · (559) 939-0806 | 1 | $3.41/W$0.66 below median |
| B H Construction ManagementBased in Atwater, CA · (408) 828-5970 | 1 | — |
| BLH Construction | 1 | — |
| Bee Daly ElectricBased in South San Francisco, CA · (650) 307-7682 | 1 | — |
| Bernardini EngineeringBased in Oakland, CA · (510) 688-8322 | 1 | — |
| Best BuiltBased in Sacramento, CA · (916) 674-2136 | 1 | — |
| Best SolarBased in Bakersfield, CA · (661) 322-7500 | 1 | $5.06/W$0.99 above median |
| Bta SolarBased in Clements, CA · (209) 483-2991 | 1 | — |
| Building Energy Power SolutionsBased in Rocklin, CA · (916) 542-2994 | 1 | $2.93/W$1.14 below median |
| C E Remodeling IncorporatedBased in Santa Clara, CA · (408) 753-9342 | 1 | — |
| CES RoofingBased in San Dimas, CA · (800) 994-1134 | 1 | — |
| CL ConstructionBased in Lucerne, CA · (510) 773-1740 | 1 | — |
| CaballeroBased in Modesto, CA · (209) 450-9197 | 1 | — |
| Cal Valley SolarBased in Galt, CA · (916) 204-0999 | 1 | — |
| California Building StructuresBased in Modesto, CA · (209) 573-3040 | 1 | — |
| Calpacific PowerBased in Sacramento, CA · (916) 267-1850 | 1 | — |
| Capital City SolarBased in Roseville, CA · (916) 782-3333 | 1 | $4.23/W$0.16 above median |
| Chouinard ElectricBased in Roseville, CA · (209) 535-2349 | 1 | $2.01/W$2.06 below median |
| Citadl Roofing & SolarBased in Vacaville, CA · (707) 446-5500 | 1 | — |
| Clover SolarBased in Brentwood, CA · (845) 596-4562 | 1 | — |
| Coastwide ElectricBased in Morgan Hill, CA · (408) 500-9622 | 1 | $3.80/W$0.27 below median |
| Connected TechnologyBased in Rocklin, CA · (916) 824-1800 | 1 | $3.44/W$0.63 below median |
| Construction ConceptsBased in Pleasant Hill, CA · (925) 899-2018 | 1 | — |
| ContinuumBased in Sacramento, CA · (916) 550-0358 | 1 | — |
| Costello Tom ElectricBased in Gilroy, CA · (408) 422-0176 | 1 | — |
| D A ConstructionBased in Bakersfield, CA · (661) 444-6551 | 1 | — |
| D S Electric GroupBased in San Jose, CA · (408) 639-1520 | 1 | — |
| DC Solar ElectricBased in Colfax, CA · (530) 786-7070 | 1 | $3.68/W$0.39 below median |
| Diamond BuildersBased in North Hollywood, CA · (818) 746-2140 | 1 | $4.81/W$0.74 above median |
| Divine Renewable EnergyBased in Citrus Heights, CA · (916) 541-3579 | 1 | — |
| Don BarchBased in Santa Rosa, CA · (707) 483-4751 | 1 | $2.81/W$1.26 below median |
| Drake Controls WestBased in Houston, TX · (866) 467-6987 | 1 | — |
| Dunn Gary ConstructionBased in Kelseyville, CA · (707) 530-8441 | 1 | — |
| East West ElectricBased in Sunland, CA · (916) 252-4866 | 1 | — |
| Ec ElectricBased in Belmont, CA · (650) 200-7471 | 1 | — |
| EcoteriumBased in Walnut Creek, CA · (949) 310-7726 | 1 | — |
| Ees SolarBased in Layton, UT · (801) 614-0606 | 1 | $3.22/W$0.85 below median |
| Efficient Energy ConceptsBased in Los Angeles, CA · (323) 434-9666 | 1 | — |
| Electric RevolutionBased in Folsom, CA · (916) 223-6100 | 1 | $3.26/W$0.81 below median |
| Electrical ShieldBased in Reedley, CA · (559) 541-3804 | 1 | — |
| Ellis Peter ConstructionBased in American Canyon, CA · (310) 845-5961 | 1 | — |
| Energy Savings AuthorityBased in Roseville, CA · (916) 202-9040 | 1 | $4.35/W$0.28 above median |
| Epic Energy CaBased in Roseville, CA · (916) 426-5815 | 1 | $4.29/W$0.22 above median |
| Etw Energy TXBased in Lehi, UT · (512) 706-9024 | 1 | — |
| Evergreen Home PerformanceBased in Sacramento, CA · (916) 969-3413 | 1 | — |
| Evergreen SolarBased in Los Alamitos, CA · (714) 722-0468 | 1 | $3.17/W$0.90 below median |
| EwsBased in Fresno, CA · (559) 760-5473 | 1 | $2.85/W$1.22 below median |
| F O S ElectricBased in Oakland, CA · (510) 219-6265 | 1 | — |
| Fast Handy ElectricBased in San Jose, CA · (408) 910-6523 | 1 | — |
| Focus Solar EnergyBased in Sacramento, CA · (559) 549-4681 | 1 | $3.66/W$0.41 below median |
| FsreBased in CA · (415) 407-8419 | 1 | — |
| Fusion Energy & DevelopmentBased in San Ramon, CA · (925) 758-9991 | 1 | — |
| GSJ Construction CompanyBased in Roseville, CA · (951) 902-4981 | 1 | — |
| GSP ElectricBased in Boca Raton, FL · (561) 208-3747 | 1 | $4.90/W$0.83 above median |
| GU DevelopmentBased in Fremont, CA · (650) 587-8648 | 1 | — |
| Galaxy Heating Air Conditioning Solar ElectricalBased in Pleasant Hill, CA · (925) 233-7378 | 1 | — |
| Galectric EnergyBased in Vacaville, CA · (707) 720-3946 | 1 | — |
| Gna ElectricBased in Sanger, CA · (559) 476-7298 | 1 | — |
| Gomez Cesar NicolasBased in Bay Point, CA · (925) 864-7997 | 1 | — |
| Grant Maze ConstructionBased in Visalia, CA · (888) 765-2489 | 1 | — |
| Green Guy PowerBased in Madera, CA · (559) 317-9162 | 1 | $2.83/W$1.24 below median |
| Green Hill RemodelingBased in Canoga Park, CA · (310) 667-1154 | 1 | $3.55/W$0.52 below median |
| Heatspotters Dba Solar Power PatiosBased in Elk Grove, CA · (650) 743-3270 | 1 | — |
| Highlight SolarBased in San Jose, CA · (866) 926-9997 | 1 | $3.86/W$0.21 below median |
| Hunter ElectricBased in Concord, CA · (925) 708-1739 | 1 | — |
| Hunter Energy SolutionsBased in Granite Bay, CA · (916) 871-4042 | 1 | $3.27/W$0.80 below median |
| Ideal SolarBased in Brentwood, CA · (925) 513-4704 | 1 | — |
| Infinite EnergyBased in Rancho Cordova, CA · (530) 333-5060 | 1 | $3.80/W$0.27 below median |
| Inverted ElectricBased in Penn Valley, CA · (530) 804-5441 | 1 | — |
| J M C ElectricBased in Oakland, CA · (415) 481-7297 | 1 | — |
| JP Solar ServiceBased in Atwater, CA · (209) 445-0705 | 1 | — |
| Jebl Engineering ConstructionBased in San Luis Obispo, CA · (805) 215-2556 | 1 | $3.63/W$0.44 below median |
| Joachim ServicesBased in Martinez, CA · (425) 785-3212 | 1 | — |
| Jovic ConstructionBased in Pomona, CA · (760) 641-1624 | 1 | $3.30/W$0.77 below median |
| Killua EnergyBased in Fresno, CA · (559) 647-9860 | 1 | $5.06/W$0.99 above median |
| Kin Home ElectricBased in Lindon, UT · (855) 264-0363 | 1 | — |
| King Solar EnergyBased in Auburn, CA · (650) 622-2179 | 1 | — |
| LS RemodelingBased in Tarzana, CA · (818) 943-4239 | 1 | $6.61/W$2.54 above median |
| Legacy Electrical ServiceBased in Vacaville, CA · (707) 474-4800 | 1 | — |
| Mason B P PBased in Martinez, CA · (925) 708-5794 | 1 | — |
| Mec ElectricBased in Tollhouse, CA · (925) 212-8094 | 1 | — |
| Mello Electrical ServiceBased in Fremont, CA · (510) 502-4205 | 1 | — |
| Midbay ElectricBased in Roseville, CA · (866) 986-8815 | 1 | — |
| Milholland ElectricBased in El Cajon, CA · (619) 212-3807 | 1 | $5.46/W$1.39 above median |
| Momentum Roofing SolarBased in Sacramento, CA · (530) 718-8234 | 1 | — |
| MoneybotsBased in Concord, CA · (408) 568-8331 | 1 | — |
| Mr RoofingBased in San Francisco, CA · (650) 333-8142 | 1 | $5.98/W$1.91 above median |
| Multi PowerBased in Fresno, CA · (559) 790-1603 | 1 | — |
| N N K C EnterprisesBased in Sonora, CA · (925) 594-0282 | 1 | — |
| NTW ConstructionBased in Anderson, CA · (530) 276-5946 | 1 | $2.45/W$1.62 below median |
| Next Door Home ConstructionBased in Canoga Park, CA · (714) 585-7110 | 1 | $3.84/W$0.23 below median |
| Norcal Home SystemsBased in Concord, CA · (925) 459-5661 | 1 | — |
| Northern Pacific PowerBased in Santa Rosa, CA · (707) 528-7652 | 1 | $3.89/W$0.18 below median |
| O S J ElectricBased in Lafayette, CA · (925) 788-3178 | 1 | — |
| Occidental PowerBased in San Francisco, CA · (415) 681-8861 | 1 | $4.99/W$0.92 above median |
| Odom Jimmy A General Building ContractorBased in Antioch, CA · (510) 967-8282 | 1 | — |
| Pacific Rim ConstructionBased in Manteca, CA · (209) 649-4204 | 1 | $4.20/W$0.13 above median |
| Paper Street ElectricBased in Concord, CA · (925) 584-5985 | 1 | — |
| Parissi Richard JamesBased in Isleton, CA · (310) 612-0053 | 1 | — |
| PetersendeanBased in Livermore, CA · (888) 575-1940 | 1 | $1.85/W$2.22 below median |
| Planit Sierra SolarBased in Laguna Niguel, CA · (530) 273-0303 | 1 | — |
| Platinum ElectricBased in Novato, CA · (415) 583-6607 | 1 | — |
| Platinum Waves ElectricBased in Petaluma, CA · (707) 658-1502 | 1 | — |
| Poco Solar EnergyBased in Santa Clara, CA · (408) 970-0680 | 1 | $4.81/W$0.74 above median |
| Porter Graham ConstructionBased in Merced, CA · (209) 201-1497 | 1 | $2.59/W$1.48 below median |
| Powercore ElectricBased in Roseville, CA · (916) 699-8778 | 1 | — |
| Pro Team ElectricBased in San Jose, CA · (408) 329-2224 | 1 | — |
| Prosun SolarBased in Rancho Mirage, CA · (800) 566-0171 | 1 | — |
| Pure Power SolutionsBased in Healdsburg, CA · (707) 433-6556 | 1 | $2.01/W$2.06 below median |
| R C ElectricBased in Ventura, CA · (805) 797-2717 | 1 | $5.19/W$1.12 above median |
| RT Maher ConstructionBased in Merced, CA · (209) 384-1227 | 1 | $3.28/W$0.79 below median |
| Ram IndustriesBased in Brentwood, CA · (925) 216-4810 | 1 | — |
| Renewable Construction ServicesBased in Pinion Hills, CA · (909) 746-6768 | 1 | — |
| Renewable Energy AdvantageBased in Signal Hill, CA · (888) 416-1415 | 1 | $3.46/W$0.61 below median |
| Residential Solar Power ProsBased in Perris, CA · (951) 760-9699 | 1 | $5.31/W$1.24 above median |
| Revolving Power SolarBased in Sacramento, CA · (916) 740-8613 | 1 | — |
| Roi Solar PowerBased in Lodi, CA · (209) 600-4433 | 1 | — |
| SDW ConstructionBased in Richmond, CA · (510) 426-1854 | 1 | — |
| Sbi BuildersBased in San Jose, CA · (831) 212-0456 | 1 | — |
| Schofield Custom BuilderBased in Concord, CA · (925) 839-6449 | 1 | — |
| SebasmolinBased in Canyon Country, CA · (661) 360-1360 | 1 | — |
| Service FirstBased in Nuevo, CA · (650) 375-2430 | 1 | — |
| Shade PowerBased in Sunnyvale, CA · (408) 780-0968 | 1 | $8.15/W$4.08 above median |
| Singh SecurityBased in Danville, CA · (510) 386-6059 | 1 | — |
| Sky CountryBased in Riverside, CA · (951) 332-0021 | 1 | $5.00/W$0.93 above median |
| Skytech SolarBased in Concord, CA · (415) 826-2503 | 1 | — |
| Smart Home ImprovementsBased in San Jose, CA · (669) 205-7006 | 1 | — |
| Smoov Energy ElectricBased in Stockton, CA · (510) 575-6008 | 1 | — |
| Socal Solar EnergyBased in Canoga Park, CA · (844) 575-5858 | 1 | $6.91/W$2.84 above median |
| Solar DoctorsBased in Diamond Springs, CA · (510) 940-9756 | 1 | $2.87/W$1.20 below median |
| Solar GodsBased in Bay Point, CA · (435) 817-3217 | 1 | — |
| Solar PowergenBased in Los Angeles, CA · (310) 717-1946 | 1 | — |
| Solar QuoteBased in Park City, UT · (970) 261-3436 | 1 | — |
| Solar StableBased in Morgan Hill, CA · (408) 603-9660 | 1 | — |
| Solar Winds EnergyBased in Concord, CA · (925) 586-2538 | 1 | — |
| Solarcraft ServicesBased in Novato, CA · (415) 985-7510 | 1 | $4.20/W$0.13 above median |
| Solartec SystemsBased in Laguna Hills, CA · (949) 248-9728 | 1 | $3.14/W$0.93 below median |
| SolarvivaBased in San Ramon, CA · (415) 823-1781 | 1 | — |
| Solenergy CaBased in San Francisco, CA · (650) 462-9888 | 1 | — |
| Solrise ElectricBased in Guerneville, CA · (986) 888-5159 | 1 | — |
| Sonlight ConstructionBased in Bakersfield, CA · (661) 599-3658 | 1 | $4.08/W |
| Sonomarin SolarBased in San Rafael, CA · (707) 849-8543 | 1 | $3.90/W$0.17 below median |
| Spartan ConstructionBased in Simi Valley, CA · (435) 518-0224 | 1 | $2.33/W$1.74 below median |
| Stark ElectricBased in Santa Cruz, CA · (831) 888-7181 | 1 | — |
| StorBased in Roseville, CA · (916) 415-8048 | 1 | — |
| Summit ElectricBased in Santa Rosa, CA · (707) 396-5909 | 1 | $3.65/W$0.42 below median |
| Sundance SolarBased in Pleasant Hill, CA · (707) 469-3870 | 1 | — |
| Sungenix EnergyBased in San Jose, CA · (408) 475-0026 | 1 | — |
| Sungrid SolarBased in Irvine, CA · (949) 309-2453 | 1 | $4.47/W$0.40 above median |
| Sunkiss SolarBased in Burson, CA · (209) 603-0267 | 1 | $2.45/W$1.62 below median |
| SunlectricBased in Oakdale, CA · (209) 565-4786 | 1 | $3.79/W$0.28 below median |
| Sunnycal SolarBased in Jackson, CA · (209) 464-6100 | 1 | $3.81/W$0.26 below median |
| Sunrise Energy GroupBased in Woodland Hills, CA · (844) 547-1347 | 1 | $6.50/W$2.43 above median |
| Sunset Solar EnergyBased in Fremont, CA · (510) 750-3912 | 1 | — |
| SunsourceBased in Folsom, CA · (813) 863-9462 | 1 | — |
| Sunsystem TechnologyBased in Rancho Cordova, CA · (747) 204-6865 | 1 | — |
| Sunup SolarBased in Long Beach, CA · (623) 643-8559 | 1 | — |
| Sunverge EnergyBased in Madera, CA · (323) 892-1051 | 1 | — |
| SuretysunBased in Folsom, CA · (480) 204-2788 | 1 | — |
| Symetric EnergyBased in Ross, CA · (415) 257-3060 | 1 | $4.15/W$0.08 above median |
| TN Electrical And Solar ServicesBased in San Jose, CA · (408) 229-3632 | 1 | $3.05/W$1.02 below median |
| Tarabini MechanicalBased in Concord, CA · (510) 599-4995 | 1 | — |
| Thor Electric ServicesBased in Sacramento, CA · (916) 692-8997 | 1 | — |
| Tice Valley ElectricBased in Concord, CA · (925) 954-5500 | 1 | — |
| Town And CountryBased in Brentwood, CA · (925) 634-7663 | 1 | — |
| True Blue ElectricBased in San Jose, CA · (408) 655-3879 | 1 | — |
| True Solar ElectricBased in Kerman, CA · (559) 842-0168 | 1 | $1.39/W$2.68 below median |
| Trust EnergyBased in Fresno, CA · (818) 856-3332 | 1 | — |
| Velocity Solar PowerBased in Oakdale, CA · (209) 681-9272 | 1 | $4.37/W$0.30 above median |
| Vevo ElectricBased in Folsom, CA · (916) 225-2226 | 1 | — |
| Von Stieff FrederickBased in Concord, CA · (925) 322-9829 | 1 | — |
| Vortex ElectricBased in Citrus Heights, CA · (916) 289-5299 | 1 | — |
| Watson ElectricBased in Antelope, CA · (707) 624-0517 | 1 | — |
| YupanaBased in Benicia, CA · (925) 482-0667 | 1 | — |
| ZM Electric 925Based in Pleasant Hill, CA · (925) 434-8868 | 1 | — |
Ranked by homes installed, which shows who’s active here, not who’s best. Prices are each company’s median for systems sold outright, shown when it sold at least 10.
Towns in Contra Costa County: Concord, Antioch, Richmond, San Ramon, Pittsburg, Walnut Creek, Brentwood, Oakley, Danville, Martinez, Pleasant Hill, San Pablo.
Other California counties
Alameda CountyAlpine CountyAmador CountyButte CountyCalaveras CountyColusa CountyEl Dorado CountyFresno CountyGlenn CountyHumboldt CountyImperial CountyInyo CountyKern CountyKings CountyLake CountyLassen CountyLos Angeles CountyMadera CountyMarin CountyMariposa CountyMendocino CountyMerced CountyMono CountyMonterey CountyNapa CountyNevada CountyOrange CountyPlacer CountyPlumas CountyRiverside CountySacramento CountySan Benito CountySan Bernardino CountySan Diego CountySan Francisco CountySan Joaquin CountySan Luis Obispo CountySan Mateo CountySanta Barbara CountySanta Clara CountySanta Cruz CountyShasta CountySierra CountySolano CountySonoma CountyStanislaus CountySutter CountyTehama CountyTrinity CountyTulare CountyTuolumne CountyVentura CountyYolo CountyYuba County
How much does solar cost in Contra Costa County, CA?
Homes in Contra Costa County that bought solar in 2023–2025 paid a median $4.00/W installed, about $24,000 for a 6 kW system before incentives.
Which solar companies install in Contra Costa County, CA?
530 installers have put in home systems in Contra Costa County since 2023, the busiest being Sunrun, SunPower, Tesla, Bright Ops, Citadel Roofing And Solar.
Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.