Solar in Lathrop, CA
With PG&E's electricity at about 40.5¢ per kWh and 1,665 kWh of sun per kW, solar is worth it for a typical Lathrop home today: about a 10.1-year payback.
- Payback, typical home
- 10.1 yrsCalifornia: 10.9 yrs
- 25-year net
- $24,640after paying $10,700
- Sun
- 1,665kWh per kW per year
- Electricity
- 40.5¢125% above U.S. average
A typical Lathrop home, by the numbers
| Utility | PG&E |
|---|---|
| Electricity use | 405 kWh a month |
| Best-value system | 3 kW, about 7 panels, 4,995 kWh a year (103% of use) |
| Cost | $10,700 |
| First-year savings | $971 |
| Payback | 10.1 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 Lathrop
- Owner-occupied homes
- 85%
- Single-family detached
- 94%
- Median home value
- $644k
- Median year built
- 2007
- Population
- 35,052
- Solar installs, last 3 years*
- 1,885
- Roofs suitable for solar†
- 98%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 3,800 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Lathrop
Companies with the most installations in Lathrop's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Sunrun 794 installs
- Citadel Roofing And Solar 407 installs
- SunPower 220 installs
- Tesla Energy 50 installs
- Freedom Forever 46 installs
- Complete Solar 37 installs
- Grid Alternatives 29 installs
- Bright OPS 25 installs
- Lift Energy Construction 18 installs
- Bright Planet 16 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Lathrop
Is solar worth it in Lathrop, CA?
For a typical home in Lathrop, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $971 in year one and pays back in about 10.1 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Lathrop?
About 1,665 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% more than the California average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Lathrop?
Most homes in Lathrop are served by PG&E, at about 40.5¢ per kWh on average.
How much do solar panels cost in Lathrop?
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
- Manteca 10.2 yrs
- Tracy 10.2 yrs
- Stockton 10.2 yrs
- Mountain House 10.1 yrs
- Modesto 10.9 yrs
- Riverbank 10.2 yrs
- Lodi 12.9 yrs
- Brentwood 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.