Solar in Union City, CA
With PG&E's electricity at about 40.5¢ per kWh and 1,628 kWh of sun per kW, solar is worth it for a typical Union City home today: about a 10.2-year payback.
- Payback, typical home
- 10.2 yrsCalifornia: 10.9 yrs
- 25-year net
- $24,416after paying $10,700
- Sun
- 1,628kWh per kW per year
- Electricity
- 40.5¢125% above U.S. average
A typical Union City home, by the numbers
| Utility | PG&E |
|---|---|
| Electricity use | 405 kWh a month |
| Best-value system | 3 kW, about 7 panels, 4,883 kWh a year (100% of use) |
| Cost | $10,700 |
| First-year savings | $964 |
| Payback | 10.2 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 Union City
- Owner-occupied homes
- 65%
- Single-family detached
- 58%
- Median home value
- $1.1M
- Median year built
- 1980
- Population
- 67,464
- Solar installs, last 3 years*
- 930
- Roofs suitable for solar†
- 98%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 16,034 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Union City
Companies with the most installations in Union City's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Sunrun 187 installs
- Tesla Energy 165 installs
- SunPower 70 installs
- Better Earth Electric 55 installs
- Citadel Roofing And Solar 31 installs
- American Array Solar Electric 26 installs
- Freedom Forever 26 installs
- Solar Optimum Design & Electrical 22 installs
- N R G Clean Power 21 installs
- Bright OPS 19 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Union City
Is solar worth it in Union City, CA?
For a typical home in Union City, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $964 in year one and pays back in about 10.2 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Union City?
About 1,628 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% less than the California average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Union City?
Most homes in Union City are served by PG&E, at about 40.5¢ per kWh on average.
How much do solar panels cost in Union 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
- Hayward 10.2 yrs
- Newark 10.3 yrs
- Castro Valley 10.3 yrs
- San Lorenzo 10.2 yrs
- Fremont 10.2 yrs
- Pleasanton 10.1 yrs
- Dublin 10.1 yrs
- San Leandro 10.3 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.