Solar in Lake Forest, CA
With SDG&E's electricity at about 45.1¢ per kWh and 1,679 kWh of sun per kW, solar is worth it for a typical Lake Forest home today: about a 11.4-year payback.
- Payback, typical home
- 11.4 yrsCalifornia: 10.9 yrs
- 25-year net
- $19,952after paying $10,700
- Sun
- 1,679kWh per kW per year
- Electricity
- 45.1¢150% above U.S. average
A typical Lake Forest home, by the numbers
| Utility | SDG&E |
|---|---|
| Electricity use | 296 kWh a month |
| Best-value system | 3 kW, about 7 panels, 5,037 kWh a year (142% of use) |
| Cost | $10,700 |
| First-year savings | $860 |
| Payback | 11.4 years |
| Exported power | 3.7¢/kWh (SDG&E) |
Cash purchase, no federal credit, 4.0% yearly rate increases. Run it with your own numbers.
Homes in Lake Forest
- Owner-occupied homes
- 70%
- Single-family detached
- 53%
- Median home value
- $937k
- Median year built
- 1984
- Population
- 86,281
- Solar installs, last 3 years*
- 1,545
- Roofs suitable for solar†
- 94%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 20,287 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Lake Forest
Companies with the most installations in Lake Forest's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- SunPower 465 installs
- Sunrun 315 installs
- Tesla Energy 118 installs
- Freedom Forever 55 installs
- Orange County Contracting Services 55 installs
- SOLAR OPTIMUM DESIGN & ELECTRICAL 21 installs
- Bright Planet 17 installs
- Infinity Solar 17 installs
- Infinity Energy 15 installs
- Fixed Energy LLC DBA Forme Solar Electric 14 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Lake Forest
Is solar worth it in Lake Forest, CA?
For a typical home in Lake Forest, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $860 in year one and pays back in about 11.4 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Lake Forest?
About 1,679 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the California average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Lake Forest?
Most homes in Lake Forest are served by SDG&E, at about 45.1¢ per kWh on average. Some areas are served by Southern California Edison (SCE).
How much do solar panels cost in Lake Forest?
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
- Mission Viejo 11.4 yrs
- Laguna Hills 10.6 yrs
- Rancho Santa Margarita 11.4 yrs
- Irvine 10.6 yrs
- Aliso Viejo 10.6 yrs
- Laguna Niguel 11.4 yrs
- Tustin 10.6 yrs
- North Tustin 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.