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Is Solar Worth It in Temple City, California?

We analyzed LADWP / Southern California Edison rate books, NREL irradiance data, and California tax codes to calculate the real ROI for homeowners in 91780.

Market Snapshot

Elec. Rate
$0.27/kWh
Sun Hours
6.07
Utility LADWP / Southern California Edison
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 Temple City 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.

High electricity bills from Southern California Edison (SCE) are a constant concern for homeowners in Temple City. With Time-of-Use rates that make power incredibly expensive between 4-9 p.m., just running your air conditioner can feel costly. Rooftop solar offers a powerful solution, but California's Net Billing (NEM 3.0) policy has changed the game, making a solar and battery combination the only way to achieve true energy independence and significant savings.

Benchmark Cost Analysis

System Installation Costs in Temple City (2026)

You have two main paths, but only one makes financial sense under NEM 3.0. While a 'solar-only' system is cheaper upfront at just $8,050 after federal credits, its savings are severely limited by low export rates. That's why nearly all new installations are solar and battery systems.

For a system sized to offset a typical $243 SCE bill, the standard investment looks like this:

  • Gross Cost (Solar Panels + Battery): ~$23,500
  • 30% Federal Tax Credit: -$7,050
  • Net Cost After Incentives: ~$16,450

This investment covers a system designed to store your excess daytime energy and use it during SCE's expensive evening peak, effectively zeroing out the highest-priced electricity.

Incentives & Tax Credits

Primary Solar Incentives for Temple City Residents

The main driver making solar affordable is the federal Residential Clean Energy Credit, often called the ITC. Here’s what’s available in 2026:

  • 30% Federal ITC: This tax credit allows you to deduct 30% of your total system cost (including the battery) from your federal taxes. For a $23,500 system, that's a direct $7,050 reduction. This incentive is available through 2032.
  • Property Tax Exemption: In California, installing a solar energy system will not increase your property taxes, thanks to a statewide exemption.

Net Metering: LADWP / Southern California Edison

Policy Status

NEM 3.0 (2023)

Battery Priority

Critical 🔋

Understanding SCE's Net Billing (NEM 3.0)

California's shift to NEM 3.0 is the single most important factor for new solar owners. Under the old rules, you got nearly full credit for extra power you sent to the grid. Now, SCE buys your excess solar power for a fraction of what they charge you for it—around 5-8 cents per kWh. This makes a battery essential. Instead of selling your valuable energy for pennies, you store it and use it yourself when electricity is most expensive, which is the key to a fast return on investment.

Projected Savings

Expected Monthly & Lifetime Savings

Pairing solar with a battery lets you avoid paying SCE's peak rate of over 30¢/kWh. By storing your free solar energy and using it in the evening, a combined system delivers powerful savings. Expect to save around $142 per month, totaling approximately $1,708 in the first year. Over the 25-year lifespan of the solar panels, this can accumulate to over $50,000 in avoided electricity costs from SCE, with an estimated payback period of about 9 to 10 years.

Local Questions Answered

Why is a battery mandatory for solar in Temple City now?
Because of SCE's Net Billing (NEM 3.0) tariff. Selling excess solar power back to the grid now pays very little (~$0.06/kWh). A battery lets you store that valuable energy for yourself and use it during peak hours (4-9 p.m.) when SCE charges the highest rates, dramatically increasing your savings.
What's the real payback period for a solar + battery system?
For a typical system in Temple City costing around $16,450 after the 30% tax credit, the payback period is approximately 9.6 years. After that, the energy your system produces is essentially free for the remaining 15+ years of its warranty.
Does smog or marine layer affect solar panel output in the San Gabriel Valley?
While heavy cloud cover or smog can slightly reduce output, modern panels are highly efficient even in indirect light. Your annual production estimate of 6,693 kWh for a 4kW system already accounts for typical local weather patterns. The San Gabriel Valley's abundant sun days far outweigh any periodic reductions.

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

Data Transparency & Methodology

Estimates for Temple City, 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.