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Is Solar Worth It in Cerritos, California?

We analyzed Southern California Edison (SCE) rate books, NREL irradiance data, and California tax codes to calculate the real ROI for homeowners in 90623.

Market Snapshot

Elec. Rate
$0.27/kWh
Sun Hours
6.11
Utility Southern California Edison (SCE)
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 Cerritos is $243.0.

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

Tackling a monthly Southern California Edison (SCE) bill of over $240 is a major reason homeowners look to solar. But since the switch to Net Billing (NEM 3.0), the rules have changed. Sending surplus power back to the grid for pennies is no longer a viable strategy. For genuine savings in 2026, storing that solar energy in a battery for your own use after sunset is the only realistic path to energy independence.

Benchmark Cost Analysis

How Much Do Solar and Battery Systems Cost in Cerritos?

Expect a typical solar and battery storage system to have a gross cost around $23,500. After claiming the 30% federal tax credit, the net cost drops to approximately $16,450. While a solar-only setup seems cheaper at just $8,050 net, its yearly savings are slashed by over $500 due to NEM 3.0's poor export rates, making the battery a crucial investment for long-term value.

Incentives & Tax Credits

Key Financial Incentives for 2026

  • 30% Federal Solar Tax Credit: This is the most significant incentive, reducing your system cost by a third. For a $23,500 system, this credit is worth $7,050. It applies to both solar panels and battery storage.
  • Property Tax Exemption: In California, adding a solar system won't increase your property taxes, ensuring your investment doesn't come with a hidden tax hike.

Net Metering: Southern California Edison (SCE)

Policy Status

NEM 3.0 (2023)

Battery Priority

Critical 🔋

Understanding SCE's NEM 3.0 Net Billing

Under NEM 3.0, SCE pays you pennies on the dollar for any excess electricity you export to the grid—roughly 5-8¢ per kWh. However, when you buy that same power back at night, they charge you 30¢ or more. This is why a solar-only system struggles to be effective. A battery solves this problem by letting you store and use 100% of your own clean energy, effectively bypassing SCE's low export rates and high peak pricing.

Projected Savings

Real-World Savings with a Battery System

A solar-plus-battery system can eliminate a significant portion of your SCE bill, saving an average of $1,724 per year. This leads to a payback period of around 9.5 years. By storing your midday solar power, you avoid buying expensive electricity from SCE during the 4-9 PM peak hours when rates are highest, turning your home into its own clean power source.

Local Questions Answered

Can I still get solar without a battery in Cerritos?
Yes, but it's not recommended under NEM 3.0. Without a battery, your daytime excess power is sold to SCE for a very low price. Your annual savings would be only $1,222 compared to $1,724 with a battery. The battery provides much greater savings and a faster path to energy independence.
How does the Southern California climate affect panel production?
The excellent solar irradiance (6.11 kWh/m²/day) in the area makes it one of the best places for solar. Even with occasional coastal fog or 'May Gray', annual production is high and reliable, easily generating enough power to charge a battery and cover your usage.
What happens during a power outage with a solar and battery system?
If you have a battery, you can have backup power for essential appliances during a grid outage. Solar-only systems, for safety reasons, must shut down during an outage. This is a huge benefit for reliability, especially during wildfire season or heatwave-related grid stress.

Calculate Your Solar Savings

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* Calculations based on Southern California Edison (SCE) residential rates (0.27/kWh).

Data Transparency & Methodology

Estimates for Cerritos, 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.