Frederick County, MD solar installation & market data
Updated December 22, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Frederick County has 438 solar installations across 21 zip codes at a median installed cost of $3.40/W, recent growth not yet measurable, and an installs-weighted Market Score of 52.
Active installations
438
Zip markets
21
Median cost
$3.40/W
12-mo growth
—
Installers active
0
County Market Score
Excellent · installs-weighted across 21 zips
Best zip in Frederick County scores higher than 99% of U.S. zip markets.
Versus Maryland
How Frederick County compares with the state
Installed cost
$0.31/W below
state median $3.71/W
Market score
52 vs 68
Maryland scores 68
Share of state installs
1.39%
of 31.5K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 35.7%
residential solar added in Maryland, 12 months through Jul 2026
Statewide market
127.7K systems
7.8% of homes · utility-reported through Jul 2026
Growth & pricing
Frederick County by year
282 installs in the trailing twelve months vs 156 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Frederick County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Frederick County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 21704 | 63 | $3.40 | 52 A |
| 21703 | 53 | $3.58 | 51 A |
| 21774 | 53 | $3.45 | 52 A |
| 21770 | 53 | $3.05 | 54 A |
| 21702 | 50 | $3.35 | 52 A |
| 21771 | 40 | $3.30 | 52 A |
| 21701 | 25 | $3.21 | 53 A |
| 21769 | 15 | $3.34 | 52 A |
| 21755 | 15 | $3.22 | 53 A |
| 21754 | 13 | $3.50 | 51 A |
| 21716 | 10 | $3.42 | 52 A |
| 21773 | 10 | $3.87 | 50 B |
| 21793 | 9 | $2.88 | 54 A |
| 21788 | 6 | $5.87 | 40 C |
| 21710 | 6 | $3.45 | 52 A |
| 21758 | 5 | $4.22 | 48 B |
| 21798 | 5 | $4.25 | 48 B |
| 21777 | 4 | $3.05 | 53 A |
| 21780 | 1 | $4.10 | 48 B |
| 21727 | 1 | $1.75 | 58 A |
| 21778 | 1 | $2.95 | 54 A |