California Solar Guide

Best Solar Companies in California (2026)

Q: How much does solar cost in California?

Solar in California averages $2.85 – $3.15 per watt installed for a standard residential system. At that rate, a typical 8kW system lands in the mid-five-figure range before any rebates or incentives. Your final price depends on equipment quality, roof complexity, and the installer you choose.

Q: What solar incentives are available in California?

California offers 2 notable state and utility incentives for residential solar. Self-Generation Incentive Program (SGIP) — battery storage rebate of up to $200/kWh for eligible homeowners. Incentive programs change frequently, so confirm current eligibility with a certified tax professional before you sign a contract.

Q: How long does it take to pay off solar in California?

The typical payback period for a residential solar system in California is 7 – 9 Years. After the system pays for itself, the remaining years of its 25-year-plus lifespan generate electricity at little to no ongoing cost.

Compare top-rated installers, average system pricing, net metering regulations, and state-specific solar rebates for residential systems in California.

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Solar Cost & Incentive Profile — California

Typical pricing and payback for a standard 8kW residential system in California.

$2.85 – $3.15

Price Per Watt (Avg)

7 – 9 Years

Typical Payback Period

State & Utility Incentives

⚡ Net Metering Policy in California

NEM 3.0 billing is now in effect — export rates are significantly lower than retail. Battery storage is strongly recommended to maximize savings under the new structure.

Top Recommended Solar Installers in California

These brands are active in California and offer comprehensive equipment, financing, and warranty packages.

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How we rank: Rankings reflect equipment quality, warranty terms, pricing transparency, and verified customer satisfaction. Updated monthly. Not influenced by paid placements.

Advertiser Disclosure: SolarRatings.org earns referral fees from featured installers. Compensation may influence rankings and placement.

Installer	Rating & Reviews	Equipment & Tech	Warranty	Key Pros & Cons	Get Rates
#1 RatedSunrunEditor's Pick	4.6 4,200 reviews	Tier-1 Monocrystalline (Q-Cells, Costco partnerships) Efficiency: 20.6% – 21.4%	10-year roof penetration, 25-year panel warranty	Industry-leading leases/PPAs Excellent battery selection (Tesla, LG) Higher purchase pricing	Check Rates
#2 RatedTesla SolarBest Value	4.4 3,100 reviews	Tesla proprietary low-profile panels & Powerwall 3 Efficiency: 20.0% – 21.0%	25-year panel warranty, 10-year Powerwall warranty	Lowest price per watt Beautiful aesthetic integration Customer support is heavily automated	Check Rates
#3 RatedBlue Raven Solar	4.6 1,800 reviews	Tier-1 High-Efficiency panels Efficiency: 20.2% – 21.2%	25-year manufacturer, 10-year workmanship	BluePower 18-month free power program In-house financing options Leasing options are limited	Check Rates
#4 RatedADT Solar	4.3 2,100 reviews	Tier-1 Enphase microinverters & premium panels Efficiency: 19.8% – 20.8%	25-year Enphase warranty, 25-year roof guarantee	Backed by trusted ADT security name High-quality Enphase components Premium pricing tier	Check Rates

State Incentives

Available Solar Incentives in California

Installing solar in California makes you eligible for local, state, and federal programs that lower upfront costs and increase lifetime savings.

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Self-Generation Incentive Program (SGIP) — battery storage rebate of up to $200/kWh for eligible homeowners

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Property Tax Exclusion for Solar Energy Systems — assessed value increase from solar is excluded

* Tax codes and incentive programs change frequently. The federal residential solar tax credit (Section 25D) expired at the end of 2025. Consult a certified CPA or tax professional to confirm which state, utility, and property-tax incentives you currently qualify for.

FAQ

Solar in California: Frequently Asked Questions

Is solar worth it in California?

For most homeowners in California, yes. A standard 8kW residential system typically installs at $2.85 – $3.15 per watt and pays for itself in about 7 – 9 Years, after which the electricity it produces is essentially free. Whether it pencils out for your specific home depends on your roof orientation, shading, electricity usage, and which state and utility incentives you qualify for.

How much does solar cost in California?

How does net metering work in California?

What solar incentives are available in California?

How long does it take to pay off solar in California?