Solar in National City, CA
With SDG&E's electricity at about 45.1¢ per kWh and 1,698 kWh of sun per kW, solar is worth it for a typical National City home today: about a 11.3-year payback.
- Payback, typical home
- 11.3 yrsCalifornia: 10.9 yrs
- 25-year net
- $20,060after paying $10,700
- Sun
- 1,698kWh per kW per year
- Electricity
- 45.1¢150% above U.S. average
A typical National City home, by the numbers
| Utility | SDG&E |
|---|---|
| Electricity use | 296 kWh a month |
| Best-value system | 3 kW, about 7 panels, 5,093 kWh a year (143% of use) |
| Cost | $10,700 |
| First-year savings | $864 |
| Payback | 11.3 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 National City
- Owner-occupied homes
- 35%
- Single-family detached
- 40%
- Median home value
- $612k
- Median year built
- 1969
- Population
- 58,893
- Solar installs, last 3 years*
- 627
- Roofs suitable for solar†
- 93%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 10,172 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 National City
Companies with the most installations in National City's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Sunrun 207 installs
- Bright Planet Solar 119 installs
- Semper Solaris 27 installs
- Freedom Solar 19 installs
- Better Earth Electric 17 installs
- Lgcy Installation Services 14 installs
- Sunlight Solar 11 installs
- Grid Alternatives 10 installs
- Solartech 10 installs
- Tesla Energy 10 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in National City
Is solar worth it in National City, CA?
For a typical home in National City, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $864 in year one and pays back in about 11.3 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in National City?
About 1,698 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 National City?
Most homes in National City are served by SDG&E, at about 45.1¢ per kWh on average.
How much do solar panels cost in National City?
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
- Chula Vista 11.3 yrs
- Lemon Grove 11.3 yrs
- La Presa 11.3 yrs
- Imperial Beach 11.3 yrs
- Spring Valley CDP (San Diego County) 11.3 yrs
- La Mesa 11.3 yrs
- San Diego 11.3 yrs
- El Cajon 11.3 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.