Ellicott City, MD 21042 solar market data
Updated December 23, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Ellicott City 21042 has 119 solar installations at a median installed cost of $2.70/W, recent growth not yet measurable, and a Market Score of 56 — higher than 98% of U.S. zip markets.
Zip Market Score
Excellent · higher than 98% of zips
Versus Maryland
How 21042 compares with the state
Installed cost
$1.01/W below
state median $3.71/W
Market score
56 vs 68
Maryland scores 68
Share of state installs
0.38%
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
21042 by year
72 installs in the trailing twelve months vs 47 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 21042
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 |
|---|---|---|---|---|
| 21043 Ellicott City | 5.6 km | 62 | $2.90 | 54 |
| 21044 Columbia | 6.7 km | 56 | $3.34 | 52 |
| 21045 Columbia | 7.9 km | 39 | $3.60 | 51 |
| 21104 Marriottsville | 8.2 km | 12 | $2.94 | 54 |
| 21163 Woodstock | 8.7 km | 8 | $4.20 | 48 |
| 21794 West Friendship | 9.3 km | 7 | $2.70 | 55 |
Same city
Other zips in Ellicott City
Frequently asked
Quick answers about 21042
How many solar installations are there in 21042?
SolarDNA counts 119 active solar installations in Ellicott City 21042, 118 of them residential, with data through December 23, 2022.
How much does solar cost in 21042?
The median residential system in 21042 cost $2.70 per watt over the trailing twelve months, $1.01/W below the Maryland median.
Is solar growing in 21042?
Recent growth cannot be measured yet for 21042: insufficient recent data (data runs through December 23, 2022).
Who installs solar in 21042?
No installer has enough recorded systems in 21042 to rank yet.
Is 21042 a good market for solar sales?
21042 scores 56 out of 100 (Excellent, higher than 98% of U.S. zip markets). With under 500 installations the score is provisional.