Glen Arm, MD 21057 solar market data
Updated November 15, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Glen Arm 21057 has 2 solar installations at a median installed cost of $4.08/W, recent growth not yet measurable, and a Market Score of 49 — higher than 83% of U.S. zip markets.
Versus Maryland
How 21057 compares with the state
Installed cost
$0.37/W above
state median $3.71/W
Market score
49 vs 68
Maryland scores 68
Share of state installs
0.01%
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
21057 by year
2 installs in the trailing twelve months vs 0 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21057
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 |
|---|
Frequently asked
Quick answers about 21057
How many solar installations are there in 21057?
SolarDNA counts 2 active solar installations in Glen Arm 21057, 2 of them residential, with data through November 15, 2022.
How much does solar cost in 21057?
The median residential system in 21057 cost $4.08 per watt over the trailing twelve months, $0.37/W above the Maryland median.
Is solar growing in 21057?
Recent growth cannot be measured yet for 21057: insufficient recent data (data runs through November 15, 2022).
Who installs solar in 21057?
No installer has enough recorded systems in 21057 to rank yet.
Is 21057 a good market for solar sales?
21057 scores 49 out of 100 (Great, higher than 83% of U.S. zip markets). With under 500 installations the score is provisional.