Solar in Fairfield, CA
With PG&E's electricity at about 40.5¢ per kWh and 1,643 kWh of sun per kW, solar is worth it for a typical Fairfield home today: about a 10.2-year payback.
- Payback, typical home
- 10.2 yrsCalifornia: 10.9 yrs
- 25-year net
- $24,518after paying $10,700
- Sun
- 1,643kWh per kW per year
- Electricity
- 40.5¢125% above U.S. average
A typical Fairfield home, by the numbers
| Utility | PG&E |
|---|---|
| Electricity use | 405 kWh a month |
| Best-value system | 3 kW, about 7 panels, 4,928 kWh a year (101% of use) |
| Cost | $10,700 |
| First-year savings | $967 |
| Payback | 10.2 years |
| Exported power | 3.9¢/kWh (PG&E) |
Cash purchase, no federal credit, 4.0% yearly rate increases. Run it with your own numbers.
Homes in Fairfield
- Owner-occupied homes
- 61%
- Single-family detached
- 69%
- Median home value
- $624k
- Median year built
- 1986
- Population
- 120,785
- Solar installs, last 3 years*
- 3,331
- Roofs suitable for solar†
- 98%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 30,575 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Fairfield
Companies with the most installations in Fairfield's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Sunrun 596 installs
- Citadel Roofing And Solar 422 installs
- SunPower 368 installs
- Ambrose Solar 199 installs
- North Valley 192 installs
- Freedom Forever 140 installs
- Tesla Energy 121 installs
- Bright OPS 95 installs
- GAF Energy 63 installs
- V3 Electric 63 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Fairfield
Is solar worth it in Fairfield, CA?
For a typical home in Fairfield, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $967 in year one and pays back in about 10.2 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Fairfield?
About 1,643 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the California average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Fairfield?
Most homes in Fairfield are served by PG&E, at about 40.5¢ per kWh on average.
How much do solar panels cost in Fairfield?
A fair cash price is around $2.90 per watt before incentives, so about $10,700 for a 3 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Suisun City 10.2 yrs
- Vacaville 10.2 yrs
- Benicia 10.2 yrs
- Napa 10.3 yrs
- Vallejo 10.3 yrs
- Pittsburg 10.1 yrs
- Martinez 10.2 yrs
- Concord 10.1 yrs
- All of California
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.