Rockville, MD 20851 solar market data
Updated December 30, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Rockville 20851 has 27 solar installations at a median installed cost of $3.23/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 20851 compares with the state
Installed cost
$0.48/W below
state median $3.71/W
Market score
53 vs 68
Maryland scores 68
Share of state installs
0.09%
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
20851 by year
16 installs in the trailing twelve months vs 11 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 20851
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 |
|---|---|---|---|---|
| 20853 Rockville | 2.8 km | 31 | $3.00 | 54 |
| 20852 Rockville | 3.0 km | 38 | $2.60 | 56 |
| 20850 Rockville | 4.0 km | 63 | $2.80 | 55 |
| 20906 Silver Spring | 5.4 km | 90 | $3.73 | 51 |
| 20895 Kensington | 6.4 km | 31 | $2.60 | 56 |
| 20855 Derwood | 6.8 km | 29 | $2.76 | 55 |
Same city
Other zips in Rockville
Frequently asked
Quick answers about 20851
How many solar installations are there in 20851?
SolarDNA counts 27 active solar installations in Rockville 20851, 27 of them residential, with data through December 30, 2022.
How much does solar cost in 20851?
The median residential system in 20851 cost $3.23 per watt over the trailing twelve months, $0.48/W below the Maryland median.
Is solar growing in 20851?
Recent growth cannot be measured yet for 20851: insufficient recent data (data runs through December 30, 2022).
Who installs solar in 20851?
No installer has enough recorded systems in 20851 to rank yet.
Is 20851 a good market for solar sales?
20851 scores 53 out of 100 (Excellent, higher than 96% of U.S. zip markets). With under 500 installations the score is provisional.