Solar in Spanaway, WA
With Puget Sound Energy's electricity at about 18.2¢ per kWh and 1,045 kWh of sun per kW, solar is worth it for a typical Spanaway home today: about a 13.9-year payback.
- Payback, typical home
- 13.9 yrsWashington: 16.2 yrs
- 25-year net
- $30,707after paying $24,415
- Sun
- 1,045kWh per kW per year
- Electricity
- 18.2¢1% above U.S. average
A typical Spanaway home, by the numbers
| Utility | Puget Sound Energy |
|---|---|
| Electricity use | 863 kWh a month |
| Best-value system | 8.9 kW, about 21 panels, 9,298 kWh a year (90% of use) |
| Cost | $24,415 |
| First-year savings | $1,591 |
| Payback | 13.9 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 Spanaway
- Owner-occupied homes
- 74%
- Single-family detached
- 78%
- Median home value
- $446k
- Median year built
- 1989
- Population
- 34,019
- Roofs suitable for solar†
- 89%
Census ACS 2020–2024. †Share of 9,534 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Spanaway
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 Spanaway
Is solar worth it in Spanaway, WA?
For a typical home in Spanaway, solar is worth it at 2026 prices: a 8.9 kW system costs about $24,415 after state incentives, saves about $1,591 in year one and pays back in about 13.9 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Spanaway?
About 1,045 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 6% less than the Washington average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Spanaway?
Most homes in Spanaway are served by Puget Sound Energy, at about 18.2¢ per kWh on average. Some areas are served by Elmhurst Mutual Power & Light, City of Tacoma.
How much do solar panels cost in Spanaway?
A fair cash price is around $2.85 per watt before incentives, so about $24,415 for a 8.9 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Frederickson 13.9 yrs
- Parkland 13.7 yrs
- South Hill 13.5 yrs
- Lakewood 13.4 yrs
- Graham 13.5 yrs
- Puyallup 13.5 yrs
- University Place 13.2 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.