Typical home: Worth it

Solar in San Luis Obispo, CA

With PG&E's electricity at about 40.5¢ per kWh and 1,693 kWh of sun per kW, solar is worth it for a typical San Luis Obispo home today: about a 10.1-year payback.

Payback, typical home
10.1 yrsCalifornia: 10.9 yrs
25-year net
$24,863after paying $10,700
Sun
1,693kWh per kW per year
Electricity
40.5¢125% above U.S. average

A typical San Luis Obispo home, by the numbers

UtilityPG&E
Electricity use405 kWh a month
Best-value system3 kW, about 7 panels, 5,079 kWh a year (105% of use)
Cost$10,700
First-year savings$979
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 San Luis Obispo

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

Show as a table
PeriodValue
Jan103
Feb108
Mar144
Apr156
May175
Jun168
Jul176
Aug173
Sep155
Oct136
Nov106
Dec94

Homes in San Luis Obispo

Owner-occupied homes
40%
Single-family detached
46%
Median home value
$935k
Median year built
1977
Population
48,491
Solar installs, last 3 years*
1,593
Roofs suitable for solar†
88%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 14,235 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in San Luis Obispo

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

  1. Sunrun 597 installs
  2. SunPower 204 installs
  3. A.m. Sun Solar 84 installs
  4. Lifestyle Solar 82 installs
  5. Photon Brothers 76 installs
  6. Tesla Energy 71 installs
  7. Solarponics 70 installs
  8. Wicks Solar 39 installs
  9. Axiom 360 36 installs
  10. SLO Craft 27 installs

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

Questions about solar in San Luis Obispo

Is solar worth it in San Luis Obispo, CA?

For a typical home in San Luis Obispo, solar is worth it at 2026 prices: a 3 kW system costs about $10,700 after state incentives, saves about $979 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 San Luis Obispo?

About 1,693 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 San Luis Obispo?

Most homes in San Luis Obispo are served by PG&E, at about 40.5¢ per kWh on average.

How much do solar panels cost in San Luis Obispo?

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.