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Is Solar Worth It in San Rafael, California?

We analyzed Pacific Gas & Electric (PG&E) rate books, NREL irradiance data, and California tax codes to calculate the real ROI for homeowners in 94901.

Market Snapshot

Elec. Rate
$0.27/kWh
Sun Hours
5.77
Utility Pacific Gas & Electric (PG&E)
Tax Exempt Yes
Battery Required

Analyst Note: The "4kW Benchmark"

The analysis below uses a standardized 4kW system to provide a fair baseline comparison across cities. However, the average electric bill in San Rafael is $148.5.

With PG&E's Net Billing Tariff (NEM 3.0) now in full effect, many in San Rafael are asking a fair question: does going solar still make financial sense? The answer is a resounding yes, but the winning strategy has shifted. Simply installing panels isn't enough anymore. The key to unlocking real savings and protecting yourself from grid instability now lies in pairing solar panels with a home battery.

Benchmark Cost Analysis

2026 Solar & Battery Installation Costs in San Rafael

The upfront cost for the smart choice—a complete solar-plus-battery system—is approximately $23,500 for a typical Marin County home. However, that's not the price you'll actually pay. After applying the 30% federal tax credit, the final net cost comes down to about $16,450. This investment is designed to maximize your self-consumption of solar energy and deliver a strong return over time.

For comparison, a solar-only system might only cost $8,050 after incentives, but its severely limited savings under PG&E's new rules make it a far less attractive long-term investment.

Incentives & Tax Credits

Claiming Your Federal & State Solar Benefits

The biggest incentive available is the 30% Federal Investment Tax Credit (ITC). On a $23,500 system, this provides a powerful $7,050 tax credit, directly reducing what you owe on your federal taxes. On top of that, California's property tax exclusion ensures that this valuable home improvement won't trigger an increase in your Marin County property tax bill.

Net Metering: Pacific Gas & Electric (PG&E)

Policy Status

NEM 3.0 (2023)

Battery Priority

Critical 🔋

Why PG&E's Net Billing Tariff Makes Batteries a Must-Have

PG&E's NEM 3.0 tariff dramatically reduced the credit homeowners receive for exporting excess solar energy to the grid. This policy was specifically designed to encourage installing batteries. Without one, you're essentially giving away valuable energy. A battery gives you two huge advantages: first, you control your own energy and use it when it's most valuable. Second, it provides crucial backup power during Public Safety Power Shutoffs (PSPS), a major concern for residents in the North Bay, keeping your essentials running when the grid goes down.

Projected Savings

How Much Can You Really Save with Solar + Battery?

Pairing solar with a battery allows you to bypass PG&E's most expensive electricity rates. You'll generate and store your own free energy during the sunny parts of the day, then use that stored power to run your home during the evening 'peak' hours (typically 4-9 PM) when grid power is most costly. This strategy is expected to save a San Rafael household around $1,655 annually. With electricity rates from PG&E projected to rise, these savings will only grow over time, leading to a system payback of around 9-10 years.

Local Questions Answered

Will a battery protect my home during PG&E Public Safety Power Shutoffs (PSPS)?
Yes, it's one of the most compelling reasons for Marin County homeowners to get a battery. A home battery can provide seamless backup power, keeping your lights, refrigerator, internet, and other critical devices running during planned or unplanned grid outages.
My electric bill is only $150/month. Is solar still a good investment?
Absolutely. PG&E rates have a history of consistent and steep increases. A solar and battery system allows you to lock in a low, stable cost of energy for the next 25+ years, protecting your budget from that future volatility. A payback period under 10 years is still a fantastic financial return.
How can I find out the exact cost for my house?
Every home is different. The calculator below uses satellite imagery of your roof and your local PG&E rates to provide a precise, personalized solar and battery estimate instantly.

Calculate Your Solar Savings

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* Calculations based on Pacific Gas & Electric (PG&E) residential rates (0.27/kWh).

Data Transparency & Methodology

Estimates for San Rafael, California are produced by the SunCents Solar Engine (v1.2). We combine the following verified or standard industry sources:

Performance (PV production)

NREL PVWatts — modeled annual and hourly AC output (kWh), solar radiation, and system losses for a standardized array size so cities can be compared fairly.

nrel.gov

Electricity rates (tariffs)

U.S. Energy Information Administration (EIA) — state-level average retail electricity prices ($/kWh) and supporting series for economic context.

eia.gov

Incentives & programs

DSIRE — state and local rebates, net metering, and policy programs (summarized for readability; always confirm eligibility with a tax or solar professional).

dsireusa.org

Federal tax credit (ITC)

Investment Tax Credit — federal residential solar credit (e.g. 30% of qualified costs where applicable); rules change with statute—verify with a qualified advisor.

energy.gov

Utilities & interconnection

Where shown, local utilities (e.g. APS, PG&E, FPL, and other IOUs or munis) are mapped from public interconnection, tariff, or service-territory references so net metering and rider rules match your area—not generic national averages.