Solar in Federal Way, WA
With Puget Sound Energy's electricity at about 18.2¢ per kWh and 1,127 kWh of sun per kW, solar is worth it for a typical Federal Way home today: about a 13.1-year payback.
- Payback, typical home
- 13.1 yrsWashington: 16.2 yrs
- 25-year net
- $32,983after paying $23,005
- Sun
- 1,127kWh per kW per year
- Electricity
- 18.2¢1% above U.S. average
A typical Federal Way home, by the numbers
| Utility | Puget Sound Energy |
|---|---|
| Electricity use | 863 kWh a month |
| Best-value system | 8.3 kW, about 19 panels, 9,352 kWh a year (90% of use) |
| Cost | $23,005 |
| First-year savings | $1,600 |
| Payback | 13.1 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 Federal Way
- Owner-occupied homes
- 55%
- Single-family detached
- 49%
- Median home value
- $553k
- Median year built
- 1984
- Population
- 99,493
- Roofs suitable for solar†
- 89%
Census ACS 2020–2024. †Share of 21,688 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Federal Way
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 Federal Way
Is solar worth it in Federal Way, WA?
For a typical home in Federal Way, solar is worth it at 2026 prices: a 8.3 kW system costs about $23,005 after state incentives, saves about $1,600 in year one and pays back in about 13.1 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Federal Way?
About 1,127 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 Washington average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Federal Way?
Most homes in Federal Way are served by Puget Sound Energy, at about 18.2¢ per kWh on average. Some areas are served by City of Tacoma.
How much do solar panels cost in Federal Way?
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
- Des Moines 12.9 yrs
- Auburn 13.9 yrs
- Tacoma 20 yrs
- Kent 13.9 yrs
- SeaTac 13.5 yrs
- Puyallup 13.5 yrs
- Burien 13.2 yrs
- University Place 13.2 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.