Solar in Diamond Bar, CA
With Southern California Edison (SCE)'s electricity at about 33.8¢ per kWh and 1,655 kWh of sun per kW, solar is worth it for a typical Diamond Bar home today: about a 10.6-year payback.
- Payback, typical home
- 10.6 yrsCalifornia: 10.9 yrs
- 25-year net
- $22,669after paying $10,700
- Sun
- 1,655kWh per kW per year
- Electricity
- 33.8¢88% above U.S. average
A typical Diamond Bar home, by the numbers
| Utility | Southern California Edison (SCE) |
|---|---|
| Electricity use | 468 kWh a month |
| Best-value system | 3 kW, about 7 panels, 4,964 kWh a year (88% of use) |
| Cost | $10,700 |
| First-year savings | $928 |
| Payback | 10.6 years |
| Exported power | 4.6¢/kWh (Southern California Edison (SCE)) |
Cash purchase, no federal credit, 4.0% yearly rate increases. Run it with your own numbers.
Homes in Diamond Bar
- Owner-occupied homes
- 77%
- Single-family detached
- 70%
- Median home value
- $902k
- Median year built
- 1980
- Population
- 53,355
- Solar installs, last 3 years*
- 782
- Roofs suitable for solar†
- 95%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 15,037 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Diamond Bar
Companies with the most installations in Diamond Bar's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Sunrun 138 installs
- Tesla Energy 85 installs
- SunPower 46 installs
- Freedom Forever 41 installs
- Solarmax Renewable Energy Provider 31 installs
- Powur PBC Which Will DO Business IN California AS Powur Home 30 installs
- Sun Bees Groups INC DBA True Power Solar 20 installs
- Bright OPS 12 installs
- Orange County Contracting Services 11 installs
- Clean-power2n 10 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Diamond Bar
Is solar worth it in Diamond Bar, CA?
For a typical home in Diamond Bar, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $928 in year one and pays back in about 10.6 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Diamond Bar?
About 1,655 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% less than the California average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Diamond Bar?
Most homes in Diamond Bar are served by Southern California Edison (SCE), at about 33.8¢ per kWh on average.
How much do solar panels cost in Diamond Bar?
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
- Walnut 10.6 yrs
- Rowland Heights 10.6 yrs
- Pomona 10.6 yrs
- Brea 10.6 yrs
- West Covina 10.6 yrs
- Chino Hills 10.5 yrs
- Covina 10.6 yrs
- San Dimas 10.6 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.