Rockville, MD 20850 solar market data
Updated December 15, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Rockville 20850 has 63 solar installations at a median installed cost of $2.80/W, recent growth not yet measurable, and a Market Score of 55 — higher than 98% of U.S. zip markets.
Zip Market Score
Excellent · higher than 98% of zips
Versus Maryland
How 20850 compares with the state
Installed cost
$0.91/W below
state median $3.71/W
Market score
55 vs 68
Maryland scores 68
Share of state installs
0.20%
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
20850 by year
36 installs in the trailing twelve months vs 27 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 20850
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 |
|---|---|---|---|---|
| 20851 Rockville | 4.0 km | 27 | $3.23 | 53 |
| 20855 Derwood | 5.6 km | 29 | $2.76 | 55 |
| 20854 Potomac | 5.8 km | 108 | $2.75 | 55 |
| 20852 Rockville | 5.8 km | 38 | $2.60 | 56 |
| 20853 Rockville | 6.3 km | 31 | $3.00 | 54 |
| 20877 Gaithersburg | 6.4 km | 26 | $3.88 | 50 |
Same city
Other zips in Rockville
Frequently asked
Quick answers about 20850
How many solar installations are there in 20850?
SolarDNA counts 63 active solar installations in Rockville 20850, 62 of them residential, with data through December 15, 2022.
How much does solar cost in 20850?
The median residential system in 20850 cost $2.80 per watt over the trailing twelve months, $0.91/W below the Maryland median.
Is solar growing in 20850?
Recent growth cannot be measured yet for 20850: insufficient recent data (data runs through December 15, 2022).
Who installs solar in 20850?
No installer has enough recorded systems in 20850 to rank yet.
Is 20850 a good market for solar sales?
20850 scores 55 out of 100 (Excellent, higher than 98% of U.S. zip markets). With under 500 installations the score is provisional.