Solar installers in Alameda County
493 companies have installed solar on 20,774 homes here since 2023. Covers Oakland, Fremont, Hayward, Berkeley, San Leandro, Livermore and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| SunrunBased in San Francisco, CA · (805) 242-7255 | 2,826 | $3.60/W$0.47 below median |
| TeslaBased in Fremont, CA · (702) 680-6683 | 2,356 | $2.73/W$1.34 below median |
| SunPowerBased in Richmond, CA · (908) 216-1280 | 2,120 | $4.25/W$0.18 above median |
| Better EarthBased in Cerritos, CA · (888) 373-9379 | 702 | $5.00/W$0.93 above median |
| Infinity EnergyBased in Rocklin, CA · (916) 474-4723 | 666 | $4.98/W$0.91 above median |
| Bright OpsBased in Worcester, MA · (888) 997-4469 | 644 | $5.26/W$1.19 above median |
| Citadel Roofing And SolarBased in Vacaville, CA · (707) 446-5500 | 539 | $2.78/W$1.29 below median |
| KOTA ConstructionBased in Newbury Park, CA · (858) 328-2841 | 517 | $5.14/W$1.07 above median |
| Your Energy SolutionsBased in Livermore, CA · (925) 380-9500 | 487 | $3.90/W$0.17 below median |
| Freedom ForeverBased in Temecula, CA · (800) 885-9450 | 477 | $4.91/W$0.84 above median |
| Synergy Power CaBased in Livermore, CA · (925) 273-3515 | 424 | $3.69/W$0.38 below median |
| Semper SolarisBased in El Cajon, CA · (619) 715-4054 | 409 | $4.45/W$0.38 above median |
| NRG Clean EnergyBased in Canoga Park, CA · (800) 698-6627 | 320 | $3.24/W$0.83 below median |
| Solar Optimum Design ElectricalBased in Glendale, CA · (818) 804-3122 | 317 | $3.11/W$0.96 below median |
| American Array SolarBased in Livermore, CA · (925) 453-6913 | 314 | $3.07/W$1.00 below median |
| Leonard RoofingBased in Temecula, CA · (951) 506-3811 | 251 | $3.98/W$0.09 below median |
| A1 SunBased in Berkeley, CA · (510) 526-5715 | 226 | $5.11/W$1.04 above median |
| Hooked On SolarBased in Rocklin, CA · (916) 823-3770 | 214 | $4.45/W$0.38 above median |
| Nabu EnergyBased in Newark, CA · (510) 737-6228 | 188 | $3.27/W$0.80 below median |
| Solar TechnologiesBased in San Ramon, CA · (925) 939-8300 | 187 | $4.55/W$0.48 above median |
| Rockin RoofersBased in Petaluma, CA · (707) 285-7037 | 174 | $4.00/W$0.07 below median |
| Sunlight PowerBased in Berkeley, CA · (510) 845-2997 | 168 | $4.68/W$0.61 above median |
| Save A Lot SolarBased in Oakland, CA · (833) 876-5272 | 157 | $4.20/W$0.13 above median |
| Got Watts ElectricBased in Pleasant Hill, CA · (925) 421-0957 | 150 | $3.80/W$0.27 below median |
| PowurBased in Del Mar, CA · (480) 626-7056 | 146 | $4.33/W$0.26 above median |
| Complete SolarBased in Lehi, UT · (877) 299-4943 | 134 | $4.25/W$0.18 above median |
| ESP ContractingBased in Torrance, CA · (866) 865-4559 | 133 | $4.23/W$0.16 above median |
| Titan SolarBased in Mesa, AZ · (855) 729-7652 | 123 | $5.28/W$1.21 above median |
| V3 ElectricBased in El Dorado Hills, CA · (844) 837-6937 | 120 | $5.68/W$1.61 above median |
| Empower ElectricBased in Clovis, CA · (800) 306-6953 | 116 | $5.65/W$1.58 above median |
| United Solar ElectricBased in Brentwood, CA · (925) 679-4665 | 110 | $3.50/W$0.57 below median |
| Kingdom SolarBased in Livermore, CA · (925) 481-8903 | 108 | $3.66/W$0.41 below median |
| Solar Savings DirectBased in Shingle Springs, CA · (530) 344-3237 | 108 | $3.55/W$0.52 below median |
| SunvaultBased in Fremont, CA · (240) 515-5671 | 99 | $3.05/W$1.02 below median |
| Clean SolarBased in San Jose, CA · (888) 551-7652 | 98 | $4.49/W$0.42 above median |
| Solgen ElectricBased in Logan, UT · (844) 658-0005 | 97 | $6.15/W$2.08 above median |
| Sierra Roofing And SolarBased in Dublin, CA · (925) 803-1601 | 96 | $3.77/W$0.30 below median |
| All Electric SolarBased in Livermore, CA · (925) 738-8381 | 94 | $3.90/W$0.17 below median |
| Nexus Energy SystemsBased in Garden Grove, CA · (805) 799-9788 | 93 | $4.45/W$0.38 above median |
| West Coast SolarBased in Brentwood, CA · (925) 965-0190 | 92 | $3.78/W$0.29 below median |
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. Show all 493 installers
Towns in Alameda County: Oakland, Fremont, Hayward, Berkeley, San Leandro, Livermore, Pleasanton, Dublin, Union City, Newark, Emeryville, Piedmont.
Other California counties
How much does solar cost in Alameda County, CA?
Homes in Alameda County that bought solar in 2023–2025 paid a median $4.04/W installed, about $22,200 for a 5.5 kW system before incentives.
Which solar companies install in Alameda County, CA?
493 installers have put in home systems in Alameda County since 2023, the busiest being Sunrun, Tesla, SunPower, Better Earth, Infinity Energy.
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.