- Combustion
- Wind & solar
- Loads
- Under construction
- Operating
- Retired
- Size not stated
- 10 · 100 · 1,000 MW
Map
- Combustion
- Wind & solar
- Loads
- Under construction
- Operating
- Retired
- Size not stated
Benning: location and 19 exact-grade projects within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Benning
Power plant · Oil
Key facts
Power plant · Oilran 2% of 2011 Retired- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1968
- Net generation, 2011
- 125,166 MWh
- Location
- District of Columbia County, the District of Columbia
- Operated by
- Potomac Power Resources
Output
- Oil
Details
Who’s behind it
- Owner
- Pepco Holdings Inc
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- Technology
- Oil source: “Petroleum Liquids”
- Age
- 58 years since 1968
1 attribute from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| EPA greenhouse gas reporting (GHGRP) |
|
Retirement
EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.- Retired
- May 2012
- Capacity retired
- 580 MW
- Generators retired
- 2
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| 15 | Petroleum Liquids | 290 MW | Retired | May 2012 |
| 16 | Petroleum Liquids | 290 MW | Retired | May 2012 |
Grid
Not in EIA-860Grid fieldsEIA-860 states no grid voltage or transmission owner for this plant: its annual file lists plants with a generator in the report year, so a plant that retired earlier is not in it.Transmission lines within 25 km (10)
- Buzzard Point - Southwest 138 kV
- Buzzard Point - Southwest 138 kV
- Oak Grove - Ritchie 230 kV
- Oak Grove - Ritchie 230 kV
- Tokoma - Metzerott Road 230 kV
- Tokoma - Metzerott Road 230 kV
- Glebe - Potomac Yard 230 kV
- Potomac Yard - North Alexandria 230 kV
- Glebe - Potomac Yard 230 kV
- Potomac Yard - North Alexandria 230 kV
Can the connection be reused?
A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Potomac Power Resources | Operator | EIA-860M | ||
| PEPCO HOLDINGS INC | Owner | 100.0% | 31 Dec 2023 | EPA GHGRP |
Timeline
- Stated Units 15, 16 scheduled to retire, 580 MW · EIA-860M
- In service · EIA-860M
Sources
5 sourcesSources EIA-860M · LBNL · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- LBNL — A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024 (OEDI submission 8742)Yin, Nait Belaid & Heleno (2026), Lawrence Berkeley National Laboratory, OEDI, CC BY 4.0: A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024. Modified by Inframation: HIFLD-side fields only, names re-cased, coordinates rounded.
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| CHP Plant Under construction | Gas, combustion turbine | 5.8 km | 5.7 |
| Madison Solar 1 LLC Postponed | Solar | 9.8 km | 1.2 |
| GANNETT COMPANY Built | Large load | 17.4 km | |
| PROSPERITY DRIVE DATA CENTER, LLC Built | Large load | 17.8 km | |
| VERIZON FAIRLAND DATA CENTER Built | Large load | 19.0 km | |
| NCBP ONE, LLC Under construction | Solar | 19.3 km | 2.5 |
| NCBP TEN, LLC Under construction | Solar | 19.4 km | 1.4 |
| NCBP Seven Under construction | Solar | 19.5 km | 2.4 |
| MDD109-NCBP BLDG 11-Manekin Under construction | Solar | 19.7 km | 2.4 |
| NCBP TWELVE, LLC Under construction | Solar | 19.7 km | 1.2 |
| NORTHROP GRUMMAN SYSTEMS CORPORATION Built | Large load | 21.5 km | |
| ADP OF WASHINGTON Built | Large load | 21.6 km | |
| ZAYO GROUP, LLC Built | Large load | 22.2 km | |
| VIENNA CLOUD Built | Large load | 22.6 km | |
| Valo Park Built | Large load | 22.8 km | |
| City of Bowie Under construction | Solar | 23.4 km | 2 |
| Freddie Mac Building - 8250 Jones Branch Drive Built | Large load | 23.6 km | |
| Aerospace Data Facility - East Built | Large load | 24.9 km | |
| AMAZON DCA-54 Built | Large load | 24.9 km |
Sources EIA-860M · EPA ICIS-Air · Virginia DEQ
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA ECHO ICIS-Air national facility download (data-centre selection, placed through FRS)
- Virginia DEQ Air Sites (Daily) — sites DEQ flags as data centresSource: Virginia Department of Environmental Quality