Harford County, MD solar installation & market data
Updated December 29, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Harford County has 415 solar installations across 17 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
415
Zip markets
17
Median cost
$3.93/W
12-mo growth
—
Installers active
0
County Market Score
Great · installs-weighted across 17 zips
Best zip in Harford County scores higher than 98% of U.S. zip markets.
Versus Maryland
How Harford 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
1.32%
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
Harford County by year
246 installs in the trailing twelve months vs 169 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Harford County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|
Zip markets
Zips in Harford County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 21001 | 84 | $4.20 | 48 B |
| 21015 | 52 | $3.68 | 51 A |
| 21014 | 47 | $3.85 | 50 B |
| 21078 | 43 | $3.77 | 50 B |
| 21085 | 31 | $4.20 | 48 B |
| 21009 | 25 | $4.20 | 48 B |
| 21050 | 20 | $4.04 | 49 B |
| 21040 | 20 | $4.13 | 48 B |
| 21047 | 19 | $3.12 | 53 A |
| 21154 | 16 | $4.30 | 48 B |
| 21084 | 15 | $4.10 | 49 B |
| 21017 | 10 | $4.05 | 49 B |
| 21161 | 9 | $3.26 | 52 A |
| 21160 | 8 | $4.34 | 47 B |
| 21028 | 8 | $2.67 | 55 A |
| 21034 | 5 | $4.00 | 49 B |
| 21132 | 3 | $3.76 | 50 B |