Gwynn Oak, MD 21207 solar market data
Updated December 20, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Gwynn Oak 21207 has 42 solar installations at a median installed cost of $4.50/W, recent growth not yet measurable, and a Market Score of 47 — higher than 75% of U.S. zip markets.
Versus Maryland
How 21207 compares with the state
Installed cost
$0.79/W above
state median $3.71/W
Market score
47 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
21207 by year
33 installs in the trailing twelve months vs 9 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21207
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 21207
How many solar installations are there in 21207?
SolarDNA counts 42 active solar installations in Gwynn Oak 21207, 42 of them residential, with data through December 20, 2022.
How much does solar cost in 21207?
The median residential system in 21207 cost $4.50 per watt over the trailing twelve months, $0.79/W above the Maryland median.
Is solar growing in 21207?
Recent growth cannot be measured yet for 21207: insufficient recent data (data runs through December 20, 2022).
Who installs solar in 21207?
No installer has enough recorded systems in 21207 to rank yet.
Is 21207 a good market for solar sales?
21207 scores 47 out of 100 (Great, higher than 75% of U.S. zip markets). With under 500 installations the score is provisional.