Solar in Tumwater, WA
With Puget Sound Energy's electricity at about 18.2¢ per kWh and 1,064 kWh of sun per kW, solar is worth it for a typical Tumwater home today: about a 13.4-year payback.
- Payback, typical home
- 13.4 yrsWashington: 16.2 yrs
- 25-year net
- $28,612after paying $21,830
- Sun
- 1,064kWh per kW per year
- Electricity
- 18.2¢1% above U.S. average
A typical Tumwater home, by the numbers
| Utility | Puget Sound Energy |
|---|---|
| Electricity use | 863 kWh a month |
| Best-value system | 7.8 kW, about 18 panels, 8,296 kWh a year (80% of use) |
| Cost | $21,830 |
| First-year savings | $1,513 |
| Payback | 13.4 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 Tumwater
- Owner-occupied homes
- 63%
- Single-family detached
- 63%
- Median home value
- $472k
- Median year built
- 1995
- Population
- 26,956
- Roofs suitable for solar†
- 89%
Census ACS 2020–2024. †Share of 5,613 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Tumwater
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 Tumwater
Is solar worth it in Tumwater, WA?
For a typical home in Tumwater, solar is worth it at 2026 prices: a 7.8 kW system costs about $21,830 after state incentives, saves about $1,513 in year one and pays back in about 13.4 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Tumwater?
About 1,064 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 4% less than the Washington average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Tumwater?
Most homes in Tumwater are served by Puget Sound Energy, at about 18.2¢ per kWh on average.
How much do solar panels cost in Tumwater?
A fair cash price is around $2.85 per watt before incentives, so about $21,830 for a 7.8 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Olympia 13.6 yrs
- Lacey 13.5 yrs
- Lakewood 13.4 yrs
- University Place 13.2 yrs
- Spanaway 13.9 yrs
- Parkland 13.7 yrs
- Frederickson 13.9 yrs
- Tacoma 20 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.