Hagerstown, MD 21740 solar market data
Updated December 28, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Hagerstown 21740 has 50 solar installations at a median installed cost of $3.87/W, recent growth not yet measurable, and a Market Score of 50 — higher than 88% of U.S. zip markets.
Versus Maryland
How 21740 compares with the state
Installed cost
$0.16/W above
state median $3.71/W
Market score
50 vs 68
Maryland scores 68
Share of state installs
0.16%
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
21740 by year
36 installs in the trailing twelve months vs 14 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21740
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 |
|---|---|---|---|---|
| 21742 Hagerstown | 4.8 km | 18 | $3.92 | 49 |
| 21713 Boonsboro | 9.6 km | 7 | $2.80 | 55 |
| 21783 Smithsburg | 14.4 km | 10 | $3.35 | 52 |
| 21722 Clear Spring | 15.0 km | 5 | $3.60 | 51 |
| 21773 Myersville | 19.7 km | 10 | $3.87 | 50 |
| 21756 Keedysville | 19.9 km | 6 | $3.04 | 53 |
Same city
Other zips in Hagerstown
Frequently asked
Quick answers about 21740
How many solar installations are there in 21740?
SolarDNA counts 50 active solar installations in Hagerstown 21740, 50 of them residential, with data through December 28, 2022.
How much does solar cost in 21740?
The median residential system in 21740 cost $3.87 per watt over the trailing twelve months, $0.16/W above the Maryland median.
Is solar growing in 21740?
Recent growth cannot be measured yet for 21740: insufficient recent data (data runs through December 28, 2022).
Who installs solar in 21740?
No installer has enough recorded systems in 21740 to rank yet.
Is 21740 a good market for solar sales?
21740 scores 50 out of 100 (Great, higher than 88% of U.S. zip markets). With under 500 installations the score is provisional.