Solar in Sammamish, WA
With Puget Sound Energy's electricity at about 18.2¢ per kWh and 997 kWh of sun per kW, solar is a close call for a typical Sammamish home today: about a 14.1-year payback.
- Payback, typical home
- 14.1 yrsWashington: 16.2 yrs
- 25-year net
- $26,882after paying $23,005
- Sun
- 997kWh per kW per year
- Electricity
- 18.2¢1% above U.S. average
A typical Sammamish home, by the numbers
| Utility | Puget Sound Energy |
|---|---|
| Electricity use | 863 kWh a month |
| Best-value system | 8.3 kW, about 19 panels, 8,278 kWh a year (80% of use) |
| Cost | $23,005 |
| First-year savings | $1,510 |
| Payback | 14.1 years |
| Exported power | 13¢/kWh (Puget Sound Energy) |
Cash purchase, no federal credit, 3.8% yearly rate increases. Run it with your own numbers.
Homes in Sammamish
- Owner-occupied homes
- 83%
- Single-family detached
- 81%
- Median home value
- $1.4M
- Median year built
- 1994
- Population
- 66,463
- Roofs suitable for solar†
- 71%
Census ACS 2020–2024. †Share of 13,870 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Sammamish
Public installation records for Washington don't name installers, so we can't rank local companies here. Browse installers in Washington.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Sammamish
Is solar worth it in Sammamish, WA?
For a typical home in Sammamish, solar is a close call at 2026 prices: a 8.3 kW system costs about $23,005 after state incentives, saves about $1,510 in year one and pays back in about 14.1 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Sammamish?
About 997 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 10% less than the Washington average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Sammamish?
Most homes in Sammamish are served by Puget Sound Energy, at about 18.2¢ per kWh on average.
How much do solar panels cost in Sammamish?
A fair cash price is around $2.85 per watt before incentives, so about $23,005 for a 8.3 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Issaquah 13.8 yrs
- Bellevue 13.6 yrs
- Redmond 14 yrs
- Mercer Island 13.9 yrs
- Kirkland 13.3 yrs
- Renton 13.9 yrs
- Bothell 14 yrs
- Seattle 15.9 yrs
- All of Washington
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.