Solar in Westmont, CA
With Southern California Edison (SCE)'s electricity at about 33.8¢ per kWh and 1,694 kWh of sun per kW, solar is worth it for a typical Westmont home today: about a 10.5-year payback.
- Payback, typical home
- 10.5 yrsCalifornia: 10.9 yrs
- 25-year net
- $22,927after paying $10,700
- Sun
- 1,694kWh per kW per year
- Electricity
- 33.8¢88% above U.S. average
A typical Westmont home, by the numbers
| Utility | Southern California Edison (SCE) |
|---|---|
| Electricity use | 468 kWh a month |
| Best-value system | 3 kW, about 7 panels, 5,083 kWh a year (91% of use) |
| Cost | $10,700 |
| First-year savings | $936 |
| Payback | 10.5 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 Westmont
- Owner-occupied homes
- 28%
- Single-family detached
- 42%
- Median home value
- $654k
- Median year built
- 1956
- Population
- 34,123
- Solar installs, last 3 years*
- 364
- Roofs suitable for solar†
- 83%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 6,044 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?
Installers working in Westmont
Companies with the most installations in Westmont's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Sunrun 121 installs
- Freedom Forever 25 installs
- South West Builders 25 installs
- Bright OPS 10 installs
- Energy Service Partners INC DBA ESP Contracting 10 installs
- Tesla Energy 10 installs
- Lgcy Installation Services LLC DBA Lgcy Electric 9 installs
- Skyline Smart Energy 9 installs
- Better Earth Electric 8 installs
- Solar Price Discovery INC DBA Solar Discovery 6 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Westmont
Is solar worth it in Westmont, CA?
For a typical home in Westmont, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $936 in year one and pays back in about 10.5 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Westmont?
About 1,694 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% more than the California average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Westmont?
Most homes in Westmont are served by Southern California Edison (SCE), at about 33.8¢ per kWh on average. Some areas are served by LADWP.
How much do solar panels cost in Westmont?
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
- Inglewood 10.6 yrs
- Hawthorne 10.6 yrs
- Gardena 10.6 yrs
- Florence-Graham 7.5 yrs
- Lawndale 10.6 yrs
- Compton 10.6 yrs
- Huntington Park 10.6 yrs
- Lynwood 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.