Best Solar Companies in California: 2026 Expert Ratings Guide
Independent reviews of top-rated solar installers active in California — plus a breakdown of local incentives, net metering policy, and average system pricing.
- NEM 3.0 dramatically reduced solar-only economics — battery storage is now nearly essential in California
- The SGIP battery rebate program can significantly offset the cost of adding a Powerwall or similar system
- California's high utility rates (PG&E, SCE, SDG&E) still make solar one of the highest-ROI states
California Solar Cost & Incentive Profile
Typical figures for a standard 8kW residential system in California.
Net Metering Policy — California
NEM 3.0 is now in effect statewide. Export rates are significantly lower than retail rates, making battery storage strongly recommended to maximize self-consumption and savings.
Top Recommended Installers in California
These brands are active in California with strong equipment, warranty, and customer service records.
| Installer | Rating & Reviews | Equipment & Tech | Warranty | Key Pros & Cons | Quotes |
|---|---|---|---|---|---|
#1 RatedSunrunEditor's Pick | Tier-1 Monocrystalline (Q-Cells, Costco partnerships) Efficiency: 20.6% – 21.4% | 10-year roof penetration, 25-year panel warranty |
| Get Quotes → | |
#2 RatedTesla SolarBest Value | Tesla proprietary low-profile panels & Powerwall 3 Efficiency: 20.0% – 21.0% | 25-year panel warranty, 10-year Powerwall warranty |
| Get Quotes → | |
#3 RatedBlue Raven Solar | Tier-1 High-Efficiency panels Efficiency: 20.2% – 21.2% | 25-year manufacturer, 10-year workmanship |
| Get Quotes → | |
#4 RatedADT Solar | Tier-1 Enphase microinverters & premium panels Efficiency: 19.8% – 20.8% | 25-year Enphase warranty, 25-year roof guarantee |
| Get Quotes → |
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Available Solar Incentives in California
Installing solar in California makes you eligible for the following local, state, and federal programs that lower upfront costs and increase lifetime savings.
* Tax codes change frequently. Consult a certified CPA or tax professional to confirm your eligibility for the Federal ITC and applicable state incentives before filing.