Fairfax County, VA solar installation & market data
Updated October 6, 2022Older data · growth withheld By The SolarDNA Data Team
Fairfax County has 954 solar installations across 40 zip codes at a median installed cost of $2.51/W, recent growth not yet measurable, and an installs-weighted Market Score of 44.
Active installations
954
Zip markets
40
Median cost
$2.51/W
12-mo growth
—
Installers active
0
County Market Score
Good · installs-weighted across 40 zips
Best zip in Fairfax County scores higher than 97% of U.S. zip markets.
Versus Virginia
How Fairfax County compares with the state
Installed cost
—
state median —/W
Market score
44 vs 56
Virginia scores 56
Share of state installs
12.88%
of 7.4K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 35.5%
residential solar added in Virginia, 12 months through Jul 2026
Statewide market
74.2K systems
3.3% of homes · utility-reported through Jul 2026
Growth & pricing
Fairfax County by year
433 installs in the trailing twelve months vs 257 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Fairfax County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Fairfax County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 22003 | 72 | — | 44 C |
| 22032 | 63 | — | 44 C |
| 20170 | 54 | — | 44 C |
| 22043 | 53 | — | 44 C |
| 22101 | 49 | — | 44 C |
| 22180 | 47 | $2.11 | 54 A |
| 22310 | 43 | — | 44 C |
| 22152 | 37 | — | 44 C |
| 22015 | 36 | — | 44 C |
| 20171 | 34 | — | 44 C |
| 22312 | 33 | — | 44 C |
| 22033 | 33 | — | 44 C |
| 22182 | 30 | — | 44 C |
| 22079 | 25 | — | 44 C |
| 22041 | 24 | — | 44 C |
| 22150 | 23 | — | 44 C |
| 20191 | 23 | — | 44 C |
| 22039 | 22 | — | 44 C |
| 22315 | 21 | — | 44 C |
| 22181 | 19 | — | 44 C |
| 22309 | 19 | — | 44 C |
| 22066 | 18 | — | 44 C |
| 22124 | 17 | — | 44 C |
| 22153 | 17 | — | 44 C |
| 22151 | 16 | — | 44 C |
| 22042 | 15 | — | 44 C |
| 22102 | 13 | — | 44 C |
| 20151 | 12 | $2.94 | 50 B |
| 22308 | 12 | — | 44 C |
| 20194 | 12 | — | 44 C |
| 22303 | 12 | — | 44 C |
| 22306 | 10 | — | 44 C |
| 20120 | 8 | $4.20 | 44 C |
| 22044 | 7 | — | 44 C |
| 20124 | 7 | — | 44 C |
| 22027 | 6 | — | 44 C |
| 20190 | 6 | — | 44 C |
| 22307 | 3 | — | 44 C |
| 20122 | 2 | — | 43 C |
| 22081 | 1 | — | 44 C |