Is Solar Worth It in California in 2026?
California solar payback in our example home: 7.4 years with full export credit, 9.8 with half, 12.5 with quarter. See how credit rules change the answer.
Published 5 min readRoofPayback editorialChecked by automated fact and quality checks
Official data: EIA · DOE · IRS · how we check
In this article · 9 sections
Short answer
For many California homeowners, solar can pay back faster than in most of the country, but the answer depends heavily on how your utility credits the power you send to the grid. In our example home, the California payback is 7.4 years with full export credit, 9.8 years with half credit, and 12.5 years with quarter credit. Those are estimates, not quotes. Your roof, your rate plan, and your installer's price will change the result.
Why California looks strong on paper
Solar saves money by replacing electricity you would otherwise buy. The higher the price per kilowatt-hour (kWh, the unit your bill uses), the more each solar kWh is worth.
The U.S. Energy Information Administration (EIA) reported an average residential price of 29.75¢/kWh in California for August 2026. That is far above the U.S. average of 18.16¢/kWh. A year earlier, California's average was 30.92¢, a change of -3.8%. The price fell slightly, but it is still among the highest in the country.
California also gets strong sun. Using PVWatts (a free production estimator from the U.S. Department of Energy's National Laboratory of the Rockies), a south-facing system in Los Angeles makes about 1677 kWh per kW of panels each year. See how prices compare on our California electricity price page and our California solar page.
The example home we used
Every number in this guide comes from the same example home, so the comparisons are fair:
- A 7 kW system and 10500 kWh of yearly use.
- 40% of use happens while the sun is up.
- Installed cost of $3500 per kW, or $24500 total, with no incentives.
- $100 per year for maintenance.
- Electricity prices rise 2.5% per year, and panels lose 0.5% of output per year.
- A 25-year horizon.
- Export credits are capped at a year of grid purchases (an annual true-up).
For Los Angeles under full credit, the first-year savings come to $3124. Your home will differ, so treat this as a model. Our methodology page explains the math in more detail.
Export credit rules decide the answer
When your panels make more power than you use, the extra goes to the grid. How much your utility pays you for that power is the export credit. This single rule can change the payback by years.
| Export credit | California example payback |
|---|---|
| Full credit | 7.4 years |
| Half credit | 9.8 years |
| Quarter credit | 12.5 years |
Full credit means each exported kWh offsets a kWh you would buy. Half and quarter credit are scenarios, not predictions of any specific utility's rate. We use them to show how sensitive the result is.
Even at quarter credit, the California example pays back within 25 years, which many states do not manage. Compare that with Texas at 14.3 years under full credit. Our guide on net metering vs. net billing payback walks through this in more detail.
We did not verify current California rule details for this article, so check your own utility's export rate and any fixed charges before relying on these scenarios. The state utility regulator and your utility's website are the right places to look. DSIRE also keeps a database of programs that vary by state and utility.
Installed cost matters too
The example uses $3500 per kW. Real quotes vary. Berkeley Lab reports a median installed price of $4.0 per watt for host-owned residential systems installed in 2024, with a 20th to 80th percentile range of $3.0 to $5.2 per watt, in 2024 dollars and before incentives. Cash-purchased systems had a median of $3.5 per watt, and loan-financed systems $4.7 per watt.
Here is how the California example changes with price, under full credit:
| Installed cost | Total for 7 kW | Payback |
|---|---|---|
| $2500/kW | $17500 | 5.5 years |
| $3000/kW | $21000 | 6.5 years |
| $3500/kW | $24500 | 7.4 years |
A lower quote shortens payback. A higher one lengthens it. Our guide on solar cost per watt and payback shows how to compare quotes, and solar loan vs. cash covers financing.
Incentives: what we can and cannot say
The IRS states that the 30% federal Residential Clean Energy Credit (Section 25D) is not available for property placed in service after December 31, 2025. Our example assumes no incentives at all, so it is not affected by that change. If you find a state, local, or utility incentive, it could improve your result, but we have not verified any California incentive here. Read more in is solar worth it without the tax credit.
How California compares
California is not the fastest payback in the country. Hawaii's example is 4.8 years, thanks to a price of 47.18¢/kWh. But California beats most large states under the same assumptions.
| State (reference city) | Price | Full credit payback |
|---|---|---|
| California (Los Angeles) | 29.75¢/kWh | 7.4 years |
| New York (New York City) | 28.65¢/kWh | 9 years |
| Arizona (Phoenix) | 15.05¢/kWh | 13.9 years |
| Florida (Orlando) | 14.99¢/kWh | 14.1 years |
| Texas (Houston) | 15.91¢/kWh | 14.3 years |
Notice that Arizona gets more sun than California, yet pays back more slowly. The reason is price. See best states for solar payback for the full ranking.
What to do next
- Find your last 12 months of bills and total your kWh use.
- Ask your utility how it credits exported power and what fixed charges apply.
- Get several written quotes and compare the price per watt.
- Run your own numbers in our solar calculator.
- Check whether you use most of your power during the day. Our guide on solar and daytime electricity use explains why it matters.
Bottom line
Solar is worth a serious look in California because electricity is expensive and the sun is strong. In our example, payback runs from 7.4 years with full credit to 12.5 years with quarter credit. The export credit rule is the biggest unknown, so confirm it with your utility before you sign anything. This guide is general information, not financial or tax advice.
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