Washington DC has 14 solar farms: 0.2% of the US total of 6,611. That ranks #41 by count and #19 per person (1.99 per 100,000 residents) of 51.
Source: U.S. Large-Scale Solar Photovoltaic Database v4.0 (USGS, Lawrence Berkeley National Laboratory), 2026. Every ground-mounted facility of 1 MW or more in the database, at its own coordinates. Rooftop and small community solar are not in this database.
Licence: U.S. government data: no copyright, free to reuse
Local blogs, news sites, parks pages: embed the live interactive map with one snippet. Attribution stays on, that's the whole deal.
<iframe src="https://get-instamaps.com/embed/rankings/solar-farms/washington-dc" width="100%" height="440" style="border:2px solid #111" loading="lazy" title="Washington DC solar farms map — InstaMaps"></iframe>CUA West Campus - North · NCS Paradise LLC · Nationals · JBAB-Washington DC · WMATA - Anacostia CSG · Benning Road · Ridgecrest · CUA West Campus South · WW-DC Solar 1, LLC · Gallaudet Uni Community Solar · DC Water Solar · Oxon Run CREF
"Washington DC has 14 solar farms, #41 in the US by count and #19 per person (U.S. Large-Scale Solar Photovoltaic Database v4.0, 2026, mapped by InstaMaps)." Free to quote with a link to this page. Population: US Census 2024 estimates.