Solar installations in District of Columbia
38,588 recorded installations — prices, growth by year, county breakdown and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Most active
Top installers in District of Columbia
| # | Installer | Installs in DC |
|---|---|---|
| 1 | NULL NULL; MATTHEW YOUNG | 1,084 |
| 2 | NICK HAYES | 841 |
| 3 | MATTHEW YOUNG | 703 |
| 4 | NICK HAYES; NA | 689 |
| 5 | SOLAR SOLUTION DC LLC | 639 |
| 6 | NULL NULL; MORGAN MALONE | 595 |
| 7 | NULL NULL; JOHN WILLIAMS | 478 |
| 8 | NA NA; STEVEN STAHL | 459 |
| 9 | NULL NULL; BRITTANY HARRIS | 440 |
| 10 | MATTHEW YOUNG; NA | 432 |
| 11 | SOLAR SOLUTION LLC | 331 |
| 12 | KYLE YOST | 330 |
| 13 | UPRISE PERMITTING | 293 |
| 14 | NULL NULL; CHRISTINA GWALTNEY | 256 |
| 15 | KYLE YOST; KYLE YOST | 210 |
Growth
Installations by year
New installs per year and the running cumulative total, plus % of homes with solar (ACS housing units).
By county
Solar by county in District of Columbia
| County | Installs | % homes | Capacity | Median $/W |
|---|---|---|---|---|
| District of Columbia | 36,402 | 10.2% | 606.7 MW | — |
Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties marked limited have under 10 recorded installs, so their medians and penetration are indicative only. % homes = recorded installs ÷ housing units (U.S. Census ACS 5-Year, B25001).
Search every recorded District of Columbia installation — by installer, size, date, storage and equipment.
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Top solar equipment in District of Columbia
| # | Panel manufacturer | Systems |
|---|---|---|
| 1 | ZNShine Solar | 613 |
| 2 | Canadian Solar | 574 |
| 3 | Trina Solar | 320 |
| 4 | JA Solar | 159 |
| 5 | SunPower | 145 |
| 6 | Silfab Solar | 104 |
| 7 | REC | 94 |
| 8 | Qcells | 92 |
| # | Inverter manufacturer | Systems |
|---|---|---|
| 1 | SolarEdge | 1,728 |
| 2 | Enphase | 603 |
| 3 | SMA | 17 |
| 4 | OutBack Power | 11 |
| 5 | Delta Electronics | 8 |
| 6 | Tesla | 7 |
From recorded equipment on District of Columbia systems (Tracking the Sun + state/permit data); counts are systems where the manufacturer is known.
Developers
Top solar developers in District of Columbia
| # | Developer | Systems |
|---|---|---|
| 1 | NA NA; MARGO RICKS | 1,292 |
| 2 | NULL NULL; MATTHEW YOUNG | 1,084 |
| 3 | NICK HAYES | 827 |
| 4 | MATTHEW YOUNG | 703 |
| 5 | NICK HAYES; NA | 689 |
| 6 | NULL NULL; MORGAN MALONE | 595 |
| 7 | SOLAR SOLUTION DC LLC | 575 |
| 8 | NULL NULL; JOHN WILLIAMS | 478 |
Developer/EPC named on the permit or program record — often the same firm as the installer.
Frequently asked questions
How many solar installations are there in District of Columbia?
PanelCensus records 38,588 solar installations in District of Columbia, totalling 691.4 MW of capacity — about 10.8% of the state's 356,101 housing units (U.S. Census ACS) — compiled from LBNL's Tracking the Sun, city permit records, state programs and USGS/EIA utility-scale data. (Coverage depends on what the state publishes, 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?
NULL NULL; MATTHEW YOUNG has the most recorded installations in District of Columbia (1,084), followed by NICK HAYES (841).