Baltimore, MD 21231 solar market data
Updated June 2, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Baltimore 21231 has 4 solar installations at a median installed cost of $3.15/W, recent growth not yet measurable, and a Market Score of 53 — higher than 96% of U.S. zip markets.
Zip Market Score
Excellent · higher than 96% of zips
Versus Maryland
How 21231 compares with the state
Installed cost
$0.56/W below
state median $3.71/W
Market score
53 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
21231 by year
3 installs in the trailing twelve months vs 1 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21231
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 |
|---|
Same city
Other zips in Baltimore
Frequently asked
Quick answers about 21231
How many solar installations are there in 21231?
SolarDNA counts 4 active solar installations in Baltimore 21231, 4 of them residential, with data through June 2, 2022.
How much does solar cost in 21231?
The median residential system in 21231 cost $3.15 per watt over the trailing twelve months, $0.56/W below the Maryland median.
Is solar growing in 21231?
Recent growth cannot be measured yet for 21231: insufficient recent data (data runs through June 2, 2022).
Who installs solar in 21231?
No installer has enough recorded systems in 21231 to rank yet.
Is 21231 a good market for solar sales?
21231 scores 53 out of 100 (Excellent, higher than 96% of U.S. zip markets). With under 500 installations the score is provisional.