Mason County, WA solar installation & market data
Updated June 11, 2019Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Mason County has 42 solar installations across 5 zip codes at a median installed cost of $3.63/W, recent growth not yet measurable, and an installs-weighted Market Score of 43.
Active installations
42
Zip markets
5
Median cost
$3.63/W
12-mo growth
—
Installers active
0
County Market Score
Good · installs-weighted across 5 zips
Best zip in Mason County scores higher than 86% of U.S. zip markets.
Versus Washington
How Mason County compares with the state
Installed cost
$0.17/W above
state median $3.45/W
Market score
43 vs 39
Washington scores 39
Share of state installs
0.56%
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
Mason County by year
32 installs in the trailing twelve months vs 9 before
Installations by year
Median installed cost, $/W DC by year