Washington, DC 20020 solar market data
Updated July 24, 2026 By The SolarDNA Data Team
Washington 20020 has 1,910 solar installations, installations up 18.4% over the trailing twelve months, and a Market Score of 57 — higher than 99% of U.S. zip markets.
Zip Market Score
Excellent · higher than 99% of zips
Versus District of Columbia
How 20020 compares with the state
Installed cost
—
state median —/W
Market score
57 vs 48
District of Columbia scores 48
Share of state installs
7.86%
of 24.3K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 10.2%
residential solar added in District of Columbia, 12 months through Jul 2026
Statewide market
32.2K systems
23.9% of homes · utility-reported through Jul 2026
Next-12-month outlook: 311–380 installs (midpoint 345)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
20020 by year
316 installs in the trailing twelve months vs 267 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 20020
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| No installer has recorded systems here yet. | |||||
Equipment
What gets installed in 20020
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA13.0%
TRINA SOLAR10.8%
CSI SOLAR8.7%
LONGI GREEN ENERGY TECHNOLOGY8.1%
CANADIAN SOLAR7.9%
Inverters
SOLAREDGE60.7%
ENPHASE ENERGY27.9%
UNKNOWN4.4%
FRONIUS USA2.7%
ALTENERGY POWER SYSTEM1.1%
Frequently asked
Quick answers about 20020
How many solar installations are there in 20020?
SolarDNA counts 1,910 active solar installations in Washington 20020, 1,825 of them residential, with data through July 24, 2026.
How much does solar cost in 20020?
Not enough priced systems in 20020 to report a median.
Is solar growing in 20020?
Installations in 20020 are up 18.4%: 316 in the trailing twelve months versus 267 before.
Who installs solar in 20020?
No installer has enough recorded systems in 20020 to rank yet.
Is 20020 a good market for solar sales?
20020 scores 57 out of 100 (Excellent, higher than 99% of U.S. zip markets).