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Is Solar Worth It in Monterey, 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 93940.

Market Snapshot

Elec. Rate
$0.27/kWh
Sun Hours
5.38
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 Monterey is $216.0.

⚠️ Most homes here will need a larger system (8kW–12kW) to reach 100% offset. Use the calculator below for your exact numbers.

With coastal fog and California's new NEM 3.0 energy policy, is going solar in Monterey still a smart financial move in 2026? The answer is a clear yes, but the strategy has changed. For homeowners tired of unpredictable PG&E bills and power shutoffs, combining solar panels with a battery storage system is now the definitive path to energy savings and resilience.

Benchmark Cost Analysis

2026 Solar Installation Costs in Monterey

A solar and battery system correctly sized for a typical Monterey home costs around $23,500 before incentives. The crucial 30% federal tax credit reduces this by $7,050, putting the final net cost at $16,450. You might see ads for solar-only systems for as little as $8,000, but they are a poor fit for our current energy landscape. To achieve real savings and protect against PG&E's peak rates, the investment in a battery is non-negotiable.

Incentives & Tax Credits

Take Advantage of the 30% Federal Tax Credit

The single most important incentive available is the Residential Clean Energy Credit. It allows you to deduct 30% of the total system cost—including the battery—directly from your federal taxes. For a $23,500 system, that's a $7,050 tax credit. Additionally, your property taxes in Monterey County will not increase as a result of installing a solar energy system, thanks to California's property tax exclusion.

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

Policy Status

NEM 3.0 (2023)

Battery Priority

Critical 🔋

Why NEM 3.0 Makes a Battery Essential

PG&E operates under a 'Net Billing' tariff (NEM 3.0), which dramatically changed the economics of solar. Instead of crediting you ~27¢ for every extra kilowatt-hour you produce, they now only pay about 5-8¢. Sending your power to the grid is no longer profitable. A battery lets you bypass this issue entirely. You store all your excess solar energy generated during sunny afternoons and use it to power your home through the evening, avoiding PG&E's highest-priced electricity altogether.

Projected Savings

Expected Monthly & Annual Savings

A solar-plus-battery setup is projected to save the average Monterey homeowner $1,548 per year. This effectively eliminates a $216 monthly bill by covering most of your electricity needs, especially during the expensive 4 PM to 9 PM time-of-use window. Over the 25-year lifespan of the solar panels, this amounts to over $38,000 in savings, shielding your family from inevitable future rate hikes from PG&E. The system typically pays for itself in about 10.5 years.

Local Questions Answered

Does Monterey's marine layer and fog hurt solar production?
While the famous 'June Gloom' slightly reduces production, modern solar panels are very efficient in diffuse light and still produce substantial power on overcast days. Your system is designed based on annual sunshine averages for the 93940 zip code, ensuring you generate enough energy year-round.
Why is a battery system better than a solar-only system here?
Under NEM 3.0, exporting your excess solar power to PG&E is not financially viable. A battery lets you store that energy for your own use during evening peak hours when electricity costs the most. It also provides backup power during grid outages, a common concern in the region.
How do I get an exact quote for my home?
The best way to see personalized costs and savings is to use our solar calculator. By entering your address, it can assess your roof's orientation and size to provide an accurate estimate for a system tailored to your specific needs.

Calculate Your Solar Savings

Enter your details below for a personalized estimate

Initializing Solar Engine...

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

Data Transparency & Methodology

Estimates for Monterey, 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.