Washington County, OR solar installation & market data
Updated August 5, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Washington County has 454 solar installations across 21 zip codes at a median installed cost of $4.43/W, recent growth not yet measurable, and an installs-weighted Market Score of 43.
Active installations
454
Zip markets
21
Median cost
$4.43/W
12-mo growth
—
Installers active
43
County Market Score
Good · installs-weighted across 21 zips
Best zip in Washington County scores higher than 74% of U.S. zip markets.
Versus Oregon
How Washington County compares with the state
Installed cost
$0.05/W above
state median $4.38/W
Market score
43 vs 43
Oregon scores 43
Share of state installs
6.83%
of 6.6K tracked statewide
Battery attach
0.5%
state 0.5%
Statewide momentum
▼ 5.7%
residential solar added in Oregon, 12 months through Jul 2026
Statewide market
65.7K systems
5.7% of homes · utility-reported through Jul 2026
Growth & pricing
Washington County by year
91 installs in the trailing twelve months vs 47 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Washington County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 120 | 0 | 14 | $4.49 |
| 2 | BLUE RAVEN SOLAR | 52 | 0 | 11 | $5.48 |
| 3 | MR SUN SOLAR | 10 | 0 | 7 | $6.09 |
| 4 | SUNRUN | 9 | 0 | 5 | $3.63 |
| 5 | LIVELIGHT ENERGY | 9 | 0 | 5 | $5.82 |
| 6 | ELEMENTAL ENERGY | 9 | 0 | 4 | $3.49 |
| 7 | AR SOLAR | 8 | 0 | 4 | $4.08 |
| 8 | SUNBRIDGE SOLAR | 7 | 0 | 6 | $3.42 |
| 9 | SYNCHRO SOLAR | 7 | 0 | 7 | $3.74 |
| 10 | AURIC SOLAR | 6 | 0 | 6 | $4.51 |
| 11 | INLAND ELECTRIC | 5 | 0 | 2 | $4.57 |
| 12 | NATIONAL SOLAR | 5 | 0 | 2 | $7.87 |
| 13 | RS ENERGY | 4 | 0 | 3 | $4.67 |
| 14 | HOME FOR SOLAR | 4 | 0 | 2 | $5.34 |
| 15 | NEIL KELLY COMPANY | 4 | 0 | 3 | $4.99 |
| 16 | SUNLIGHT SOLAR ENERGY | 4 | 0 | 3 | $5.78 |
| 17 | GREENLIGHT SOLAR | 3 | 0 | 3 | $6.02 |
| 18 | GCB SOLAR | 2 | 0 | 2 | $2.99 |
| 19 | E2 SOLAR | 2 | 0 | 2 | $5.42 |
| 20 | SUNSET SOLAR ELECTRIC | 2 | 0 | 2 | $4.12 |
| 21 | STELCOR ENERGY | 2 | 0 | 2 | $5.08 |
| 22 | IMAGINE ENERGY | 2 | 0 | 2 | $3.71 |
| 23 | SMART ENERGY TODAY | 2 | 0 | 2 | $4.60 |
| 24 | LIGHTSOURCE ENERGY | 2 | 0 | 2 | $2.03 |
| 25 | FAST WATER HEATER | 1 | 0 | 1 | $2.67 |
Zip markets
Zips in Washington County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 97229 | 66 | $4.35 | 43 C |
| 97006 | 59 | $4.75 | 41 C |
| 97124 | 48 | $4.35 | 43 C |
| 97123 | 45 | $5.07 | 40 C |
| 97116 | 32 | $3.64 | 47 B |
| 97007 | 32 | $4.45 | 43 C |
| 97223 | 30 | $4.41 | 43 C |
| 97140 | 23 | $4.35 | 43 C |
| 97224 | 22 | $4.43 | 43 C |
| 97113 | 15 | $3.73 | 46 B |
| 97225 | 13 | $5.22 | 39 C |
| 97008 | 13 | $4.57 | 42 C |
| 97133 | 12 | $4.25 | 44 C |
| 97062 | 12 | $3.89 | 45 C |
| 97005 | 8 | $4.50 | 42 C |
| 97119 | 8 | $4.01 | 45 C |
| 97003 | 5 | $4.25 | 44 C |
| 97125 | 4 | $3.88 | 45 C |
| 97106 | 4 | $4.36 | 43 C |
| 97109 | 2 | $5.09 | 41 C |
| 97078 | 1 | $4.29 | 43 C |