Whatcom County, WA solar installation & market data
Updated June 6, 2019Older data · growth withheld By The SolarDNA Data Team
Whatcom County has 516 solar installations across 16 zip codes at a median installed cost of $3.01/W, recent growth not yet measurable, and an installs-weighted Market Score of 46.
Active installations
516
Zip markets
16
Median cost
$3.01/W
12-mo growth
—
Installers active
0
County Market Score
Great · installs-weighted across 16 zips
Best zip in Whatcom County scores higher than 74% of U.S. zip markets.
Versus Washington
How Whatcom County compares with the state
Installed cost
$0.44/W below
state median $3.45/W
Market score
46 vs 39
Washington scores 39
Share of state installs
6.93%
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
Whatcom County by year
341 installs in the trailing twelve months vs 170 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Whatcom County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Whatcom County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 98225 | 168 | $3.13 | 46 B |
| 98226 | 121 | $2.96 | 46 B |
| 98229 | 71 | $2.99 | 46 B |
| 98248 | 57 | $2.84 | 46 B |
| 98264 | 22 | $2.87 | 46 B |
| 98247 | 21 | $2.87 | 46 B |
| 98230 | 15 | $3.05 | 45 C |
| 98240 | 12 | $2.80 | 46 B |
| 98262 | 8 | $3.01 | 45 C |
| 98244 | 6 | $3.00 | 45 C |
| 98295 | 5 | $3.73 | 42 C |
| 98266 | 4 | $3.13 | 45 C |
| 98231 | 2 | $3.26 | 44 C |
| 98220 | 2 | $3.30 | 44 C |
| 98228 | 1 | $2.83 | 46 B |
| 98276 | 1 | $2.93 | 46 B |