Typical home: Worth it

Solar in Redwood City, CA

With PG&E's electricity at about 40.5¢ per kWh and 1,668 kWh of sun per kW, solar is worth it for a typical Redwood City home today: about a 10.1-year payback.

Payback, typical home
10.1 yrsCalifornia: 10.9 yrs
25-year net
$24,669after paying $10,700
Sun
1,668kWh per kW per year
Electricity
40.5¢125% above U.S. average

A typical Redwood City home, by the numbers

UtilityPG&E
Electricity use405 kWh a month
Best-value system3 kW, about 7 panels, 5,003 kWh a year (103% of use)
Cost$10,700
First-year savings$972
Payback10.1 years
Exported power3.9¢/kWh (PG&E)

Cash purchase, no federal credit, 4.0% yearly rate increases. Run it with your own numbers.

Solar production per kW in Redwood City

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan82
Feb100
Mar137
Apr160
May171
Jun181
Jul189
Aug177
Sep154
Oct135
Nov99
Dec82

Homes in Redwood City

Owner-occupied homes
49%
Single-family detached
43%
Median home value
$1.8M
Median year built
1968
Population
82,447
Solar installs, last 3 years*
1,559
Roofs suitable for solar†
94%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 18,162 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 Redwood City

Companies with the most installations in Redwood City's ZIP codes over the last 3 years, from public records. We don't take payment for placement.

  1. Sunrun 217 installs
  2. Tesla Energy 166 installs
  3. SunPower 82 installs
  4. Rockin Roofers 77 installs
  5. Bright OPS 59 installs
  6. Citadel Roofing And Solar 53 installs
  7. Cobalt Power Systems 50 installs
  8. Semper Solaris 47 installs
  9. Cinnamon Energy Systems 39 installs
  10. Infinium Solar 38 installs

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in Redwood City

Is solar worth it in Redwood City, CA?

For a typical home in Redwood City, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $972 in year one and pays back in about 10.1 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Redwood City?

About 1,668 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 Redwood City?

Most homes in Redwood City are served by PG&E, at about 40.5¢ per kWh on average.

How much do solar panels cost in Redwood 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

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.