Solar in Petaluma, CA
With PG&E's electricity at about 40.5¢ per kWh and 1,568 kWh of sun per kW, solar is worth it for a typical Petaluma home today: about a 10.3-year payback.
- Payback, typical home
- 10.3 yrsCalifornia: 10.9 yrs
- 25-year net
- $24,047after paying $10,700
- Sun
- 1,568kWh per kW per year
- Electricity
- 40.5¢125% above U.S. average
A typical Petaluma home, by the numbers
| Utility | PG&E |
|---|---|
| Electricity use | 405 kWh a month |
| Best-value system | 3 kW, about 7 panels, 4,703 kWh a year (97% of use) |
| Cost | $10,700 |
| First-year savings | $953 |
| Payback | 10.3 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 Petaluma
- Owner-occupied homes
- 65%
- Single-family detached
- 70%
- Median home value
- $879k
- Median year built
- 1979
- Population
- 59,247
- Solar installs, last 3 years*
- 1,559
- Roofs suitable for solar†
- 97%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 19,475 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Petaluma
Companies with the most installations in Petaluma's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Sunrun 285 installs
- SunPower 176 installs
- Northern Pacific Power Systems 81 installs
- Bright OPS 70 installs
- Amy's Roofing And Solar 64 installs
- Rockin Roofers 63 installs
- Tesla Energy 59 installs
- Citadel Roofing And Solar 51 installs
- J & J Electric 49 installs
- Bright Planet 46 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Petaluma
Is solar worth it in Petaluma, CA?
For a typical home in Petaluma, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $953 in year one and pays back in about 10.3 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Petaluma?
About 1,568 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 5% less than the California average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Petaluma?
Most homes in Petaluma are served by PG&E, at about 40.5¢ per kWh on average.
How much do solar panels cost in Petaluma?
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
- Rohnert Park 10.4 yrs
- Novato 10.2 yrs
- Santa Rosa 10.4 yrs
- Napa 10.3 yrs
- San Rafael 10.3 yrs
- Vallejo 10.3 yrs
- Windsor 10.3 yrs
- Hercules 10.3 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.