Mount Airy, MD 21771 solar market data
Updated December 20, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Mount Airy 21771 has 40 solar installations at a median installed cost of $3.30/W, recent growth not yet measurable, and a Market Score of 52 — higher than 95% of U.S. zip markets.
Zip Market Score
Excellent · higher than 95% of zips
Versus Maryland
How 21771 compares with the state
Installed cost
$0.41/W below
state median $3.71/W
Market score
52 vs 68
Maryland scores 68
Share of state installs
0.13%
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
21771 by year
23 installs in the trailing twelve months vs 17 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21771
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| No installer has recorded systems here yet. | |||||
Frequently asked
Quick answers about 21771
How many solar installations are there in 21771?
SolarDNA counts 40 active solar installations in Mount Airy 21771, 38 of them residential, with data through December 20, 2022.
How much does solar cost in 21771?
The median residential system in 21771 cost $3.30 per watt over the trailing twelve months, $0.41/W below the Maryland median.
Is solar growing in 21771?
Recent growth cannot be measured yet for 21771: insufficient recent data (data runs through December 20, 2022).
Who installs solar in 21771?
No installer has enough recorded systems in 21771 to rank yet.
Is 21771 a good market for solar sales?
21771 scores 52 out of 100 (Excellent, higher than 95% of U.S. zip markets). With under 500 installations the score is provisional.