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🦅 California Solar Panel Calculator 2025

California's sky-high electricity rates make solar the #1 home upgrade. NEM 3.0 applies to new installs.

$
$20$800+

Avg rate: $0.31/kWh · 5.82 peak sun hrs/day

Your Solar Estimate for California

3.4 kW

System Size

recommended

4.1 yrs

Payback Period

break-even

$58,212

25-Year Savings

net profit

2.2t

CO₂ Offset

per year

Estimated installation cost$10,592
US Federal Tax Credit (30% IRA)− $3,178
Net cost to you$7,414
Annual electricity savings$1,800/yr

⚠️ California has partial net metering — excess solar credits may be limited. Check with your utility.

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California Solar Facts (2025)

$0.31/kWh

Avg Electricity Rate

5.82 hours

Daily Peak Sun Hours

30% Federal Tax Credit (IRA)

Federal Incentive

Net Metering in California

California has partial net metering — you receive some credit for excess solar energy, but at a reduced rate. Factor this into your ROI calculation.

Frequently Asked Questions

Is solar worth it in California?+
California's sky-high electricity rates make solar the #1 home upgrade. NEM 3.0 applies to new installs. With a payback period calculated from local rates of $0.31/kWh and 5.82 peak sun hours per day, solar can be a strong investment in California.
What is the solar tax credit in California for 2025?+
California homeowners qualify for the federal 30% Investment Tax Credit (ITC) under the Inflation Reduction Act, valid through 2032. This means 30% of your total installation cost is deducted directly from your federal tax bill.
How long does solar take to pay back in California?+
Payback period in California depends on your monthly electricity bill, roof orientation, and system size. Use the calculator above with your actual monthly bill to get a personalized estimate based on local rates of $0.31/kWh.

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