District of Columbia Interconnection Projects
interXdata tracks 31 interconnection projects in District of Columbia representing 127 MW of requested capacity. The dominant technology by capacity is Gas. The most active counties are District Of Columbia, N/a, Unknown.
31Total projects
1Active
27Operational
3Withdrawn
127 MWRequested capacity
6 MWActive capacity
Technology mix
| Technology | Projects | Requested capacity |
|---|---|---|
| Gas | 8 | 78 MW |
| Solar | 18 | 35 MW |
| Other | 5 | 14 MW |
Counties
| County | Projects | Requested capacity |
|---|---|---|
| District Of Columbia | 26 | 78 MW |
| N/a | 3 | 50 MW |
| Unknown | 2 | 0 MW |
Largest projects
| Project | Queue ID | Technology | Capacity | Status | Location |
|---|---|---|---|---|---|
| Alabama 13.8kV | W3-155 | Gas | 20.0 MW | withdrawn | N/a, District of Columbia |
| E Street (Sub 18) 13kV | X4-046 | Gas | 19.5 MW | operational | N/a, District of Columbia |
| 9th St (sub 117) 13kV | D09 | Gas | 10.0 MW | operational | N/a, District of Columbia |
| AOC, Capitol Power Plant | 63347_CTG1 | Gas | 7.5 MW | operational | District Of Columbia, District of Columbia |
| JBAB - Washington DC | 62374_PV1 | Solar | 5.9 MW | operational | District Of Columbia, District of Columbia |
| CHP Plant | 67265_CTG-1 | Gas | 5.7 MW | active | District Of Columbia, District of Columbia |
| US GSA Heating and Transmission | 57788_TG1 | Gas | 5.4 MW | operational | District Of Columbia, District of Columbia |
| US GSA Heating and Transmission | 57788_TG2 | Gas | 5.4 MW | operational | District Of Columbia, District of Columbia |
| Walt Bailey Bioenergy Facility | 59012_TURB3 | Other | 4.7 MW | operational | District Of Columbia, District of Columbia |
| Walt Bailey Bioenergy Facility | 59012_TURB1 | Other | 4.7 MW | operational | District Of Columbia, District of Columbia |
| Walt Bailey Bioenergy Facility | 59012_TURB2 | Other | 4.7 MW | operational | District Of Columbia, District of Columbia |
| Ross Hall Central Utility Plant | 63478_CT-1 | Gas | 4.6 MW | operational | District Of Columbia, District of Columbia |
| DC Water Solar | 63917_8030A | Solar | 3.5 MW | operational | District Of Columbia, District of Columbia |
| CUA West Campus - North (CSG) | 67709_CUAWN | Solar | 3.0 MW | operational | District Of Columbia, District of Columbia |
| V Street Solar | 69328_SYSAB | Solar | 2.8 MW | operational | District Of Columbia, District of Columbia |
| CUA West Campus - South (CSG) | 67707_CUAWS | Solar | 2.8 MW | operational | District Of Columbia, District of Columbia |
| Oxon Run CREF | 66698_OCREF | Solar | 2.0 MW | operational | District Of Columbia, District of Columbia |
| Gallaudet Uni Community Solar | 65896_GUCS1 | Solar | 2.0 MW | operational | District Of Columbia, District of Columbia |
| Ridgecrest | 64379_467 | Solar | 1.7 MW | operational | District Of Columbia, District of Columbia |
| IGS CC, LLC | 63428_254 | Solar | 1.5 MW | operational | District Of Columbia, District of Columbia |
| DC Water | 67583_DCWAT | Solar | 1.3 MW | operational | District Of Columbia, District of Columbia |
| V Street Solar | 69328_SYSD | Solar | 1.3 MW | operational | District Of Columbia, District of Columbia |
| NCS Paradise LLC | 68280_10021 | Solar | 1.3 MW | operational | District Of Columbia, District of Columbia |
| WW-DC Solar 1, LLC | 65176_654 | Solar | 1.2 MW | operational | District Of Columbia, District of Columbia |
| NCS FCPA LLC | 68279_10022 | Solar | 1.1 MW | operational | District Of Columbia, District of Columbia |
| WMATA - Anacostia CSG | 65958_GEN1 | Solar | 1.1 MW | operational | District Of Columbia, District of Columbia |
| Nationals | 62710_SO435 | Solar | 1.0 MW | operational | District Of Columbia, District of Columbia |
| 7185 13th Pl. NW | 63970_10020 | Solar | 0.9 MW | operational | District Of Columbia, District of Columbia |
| Benning Road | 65133_BENRD | Solar | 0.8 MW | operational | District Of Columbia, District of Columbia |
| Hope Creek 500kV Cedar Creek 230kV | J01_MTX | Other | — | withdrawn | Unknown, District of Columbia |
Top developers in District of Columbia
Developer attribution is not yet resolved for this set.
Recent material changes
No material field-level changes have been recorded against these projects since the baseline snapshot. interXdata records changes as new source snapshots are ingested and diffed.
Explore related data
Source last checked2026-07-31
Data last materially changed2026-08-27
Page data generated2026-08-27
Provenance: U.S. EIA — Form EIA-860M generator inventory (operating + planned); PJM — new-services interconnection queue. Values are normalized from public source records into the interXdata canonical warehouse; see each source for original filings.
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