Annapolis, MD 21403 solar market data
Updated November 7, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Annapolis 21403 has 36 solar installations at a median installed cost of $3.59/W, recent growth not yet measurable, and a Market Score of 51 — higher than 92% of U.S. zip markets.
Zip Market Score
Excellent · higher than 92% of zips
Versus Maryland
How 21403 compares with the state
Installed cost
$0.12/W below
state median $3.71/W
Market score
51 vs 68
Maryland scores 68
Share of state installs
0.11%
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
21403 by year
20 installs in the trailing twelve months vs 16 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21403
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 |
|---|---|---|---|---|
| 21037 Edgewater | 6.1 km | 27 | $3.76 | 50 |
| 21401 Annapolis | 6.6 km | 35 | $3.35 | 52 |
| 21140 Riva | 8.2 km | 5 | $3.33 | 52 |
| 21012 Arnold | 10.6 km | 29 | $3.44 | 52 |
| 21409 Annapolis | 10.9 km | 33 | $3.80 | 50 |
| 21035 Davidsonville | 12.8 km | 11 | $3.32 | 52 |
Same city
Other zips in Annapolis
Frequently asked
Quick answers about 21403
How many solar installations are there in 21403?
SolarDNA counts 36 active solar installations in Annapolis 21403, 36 of them residential, with data through November 7, 2022.
How much does solar cost in 21403?
The median residential system in 21403 cost $3.59 per watt over the trailing twelve months, $0.12/W below the Maryland median.
Is solar growing in 21403?
Recent growth cannot be measured yet for 21403: insufficient recent data (data runs through November 7, 2022).
Who installs solar in 21403?
No installer has enough recorded systems in 21403 to rank yet.
Is 21403 a good market for solar sales?
21403 scores 51 out of 100 (Excellent, higher than 92% of U.S. zip markets). With under 500 installations the score is provisional.