Federal Way, WA solar installation & market data
Updated April 5, 2019Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Federal Way has 31 solar installations across 2 zip codes at a median installed cost of $3.81/W, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
31
Zip markets
2
Median cost
$3.81/W
12-mo growth
—
Installers active
0
City Market Score
Good · installs-weighted across 2 zips
Best zip in Federal Way scores higher than 56% of U.S. zip markets.
Versus Washington
How Federal Way compares with the state
Installed cost
$0.35/W above
state median $3.45/W
Market score
42 vs 39
Washington scores 39
Share of state installs
0.42%
of 7.4K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▼ 13.4%
residential solar added in Washington, 12 months through Jul 2026
Statewide market
61.6K systems
3.1% of homes · utility-reported through Jul 2026
Growth & pricing
Federal Way by year
25 installs in the trailing twelve months vs 6 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Federal Way
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|