Solar installations in District of Columbia
13,411 recorded installations — prices, growth by year, county breakdown and the installers doing the work.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
Most active
Top installers in District of Columbia
| # | Installer | Installs in DC |
|---|
Growth
Installations by year
Bars: recorded installs · right column: median $/W that year.
By county
Solar by county in District of Columbia
| County | Installs | Capacity | Median $/W |
|---|---|---|---|
| District of Columbia | 13,379 | 203.7 MW | — |
Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties with fewer than 50 recorded installs are shown but not indexed.
Frequently asked questions
How many solar installations are there in District of Columbia?
LBNL's Tracking the Sun dataset records 13,411 residential and small-commercial solar installations in District of Columbia, totalling 209.4 MW of capacity. (Coverage depends on the state's reporting programs, so actual totals are higher.)
How much does solar cost per watt in District of Columbia?
The District of Columbia records in the dataset do not include enough price data to compute a reliable median.
Who are the biggest solar installers in District of Columbia?
No resolved installers recorded.