Bel Air, MD 21015 solar market data
Updated December 13, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Bel Air 21015 has 52 solar installations at a median installed cost of $3.68/W, recent growth not yet measurable, and a Market Score of 51 — higher than 91% of U.S. zip markets.
Zip Market Score
Excellent · higher than 91% of zips
Versus Maryland
How 21015 compares with the state
Installed cost
$0.03/W below
state median $3.71/W
Market score
51 vs 68
Maryland scores 68
Share of state installs
0.17%
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
21015 by year
25 installs in the trailing twelve months vs 27 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21015
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| No installer has recorded systems here yet. | |||||
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 21014 Bel Air | 3.7 km | 47 | $3.85 | 50 |
| 21009 Abingdon | 6.4 km | 25 | $4.20 | 48 |
| 21028 Churchville | 6.9 km | 8 | $2.67 | 55 |
| 21017 Belcamp | 8.7 km | 10 | $4.05 | 49 |
| 21050 Forest Hill | 8.9 km | 20 | $4.04 | 49 |
| 21047 Fallston | 10.1 km | 19 | $3.12 | 53 |
Same city
Other zips in Bel Air
Frequently asked
Quick answers about 21015
How many solar installations are there in 21015?
SolarDNA counts 52 active solar installations in Bel Air 21015, 51 of them residential, with data through December 13, 2022.
How much does solar cost in 21015?
The median residential system in 21015 cost $3.68 per watt over the trailing twelve months, $0.03/W below the Maryland median.
Is solar growing in 21015?
Recent growth cannot be measured yet for 21015: insufficient recent data (data runs through December 13, 2022).
Who installs solar in 21015?
No installer has enough recorded systems in 21015 to rank yet.
Is 21015 a good market for solar sales?
21015 scores 51 out of 100 (Excellent, higher than 91% of U.S. zip markets). With under 500 installations the score is provisional.