Charles County, MD solar installation & market data
Updated December 28, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Charles County has 226 solar installations across 16 zip codes at a median installed cost of $3.93/W, recent growth not yet measurable, and an installs-weighted Market Score of 49.
Active installations
226
Zip markets
16
Median cost
$3.93/W
12-mo growth
—
Installers active
0
County Market Score
Great · installs-weighted across 16 zips
Best zip in Charles County scores higher than 98% of U.S. zip markets.
Versus Maryland
How Charles County compares with the state
Installed cost
$0.22/W above
state median $3.71/W
Market score
49 vs 68
Maryland scores 68
Share of state installs
0.72%
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
Charles County by year
137 installs in the trailing twelve months vs 62 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Charles County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Charles County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 20603 | 66 | $3.76 | 50 B |
| 20601 | 45 | $3.89 | 50 B |
| 20602 | 25 | $3.95 | 49 B |
| 20646 | 24 | $3.84 | 50 B |
| 20695 | 16 | $4.33 | 47 B |
| 20640 | 14 | $4.01 | 49 B |
| 20616 | 11 | $3.85 | 50 B |
| 20662 | 7 | $4.79 | 45 C |
| 20677 | 4 | $3.01 | 54 A |
| 20611 | 3 | $4.08 | 49 B |
| 20675 | 3 | $4.44 | 47 B |
| 20637 | 3 | $4.17 | 48 B |
| 20664 | 2 | $5.75 | 41 C |
| 20693 | 1 | $4.45 | 47 B |
| 20612 | 1 | $2.65 | 55 A |
| 20617 | 1 | $3.47 | 51 A |