Gaithersburg, MD 20877 solar market data
Updated November 30, 2022Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Gaithersburg 20877 has 26 solar installations at a median installed cost of $3.88/W, recent growth not yet measurable, and a Market Score of 50 — higher than 87% of U.S. zip markets.
Versus Maryland
How 20877 compares with the state
Installed cost
$0.17/W above
state median $3.71/W
Market score
50 vs 68
Maryland scores 68
Share of state installs
0.08%
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
20877 by year
19 installs in the trailing twelve months vs 7 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 20877
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 |
|---|---|---|---|---|
| 20879 Gaithersburg | 3.5 km | 39 | $3.75 | 50 |
| 20855 Derwood | 3.7 km | 29 | $2.76 | 55 |
| 20886 Montgomery Village | 3.8 km | 30 | $3.97 | 49 |
| 20878 Gaithersburg | 6.3 km | 97 | $2.85 | 55 |
| 20850 Rockville | 6.4 km | 63 | $2.80 | 55 |
| 20876 Germantown | 6.5 km | 54 | $3.45 | 52 |
Same city
Other zips in Gaithersburg
Frequently asked
Quick answers about 20877
How many solar installations are there in 20877?
SolarDNA counts 26 active solar installations in Gaithersburg 20877, 26 of them residential, with data through November 30, 2022.
How much does solar cost in 20877?
The median residential system in 20877 cost $3.88 per watt over the trailing twelve months, $0.17/W above the Maryland median.
Is solar growing in 20877?
Recent growth cannot be measured yet for 20877: insufficient recent data (data runs through November 30, 2022).
Who installs solar in 20877?
No installer has enough recorded systems in 20877 to rank yet.
Is 20877 a good market for solar sales?
20877 scores 50 out of 100 (Great, higher than 87% of U.S. zip markets). With under 500 installations the score is provisional.