Herbert A Wagner — Plant Summary
- EIA Plant ID
- 1554
- Capacity
- 773.7 MW
- Primary Fuel
- Oil
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Anne Arundel, MD
- Operating Since
- 1966
- Generators
- 2
- Operator
- H.A. Wagner LLC
- Parent Company
- Talen Energy
- Annual Generation
- 192,796 MWh
- Capacity Factor
- 2.8%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Herbert A Wagner
OperatingDistillate Oil
Ranked #1 of 10 Distillate Oil plants in MD#1 of 827 nationally
773.7 MW Distillate Oil operating in Anne Arundel, MD — PJM Interconnection, LLC
EIAWD
773.7 MW
Nameplate Capacity
2
Generators
units
Petroleum Liquids
Technology
1966
Operating Since
Location
Coordinates
39.1781, -76.5268
County
Anne Arundel, MD
Nearby Plants
- Brandon ShoresBit. Coal1370.2 MW · 1.0 km
- White CSGSolar2 MW · 5.0 km
- Anne Arundel County Public SchoolsSolar1 MW · 5.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | H.A. Wagner LLC | H.A. Wagner | — |
| Owner(s) | H.A. Wagner LLC | Talen Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
The Herbert A. Wagner Generating Station is an electric generating station located in Anne Arundel County, Maryland, just east of Glen Burnie, and is operated by the Raven Power Holdings, LLC, a subsidiary of Talen Energy.
Read more on WikipediaThe Herbert A. Wagner power plant, located in Anne Arundel County, Maryland, has a total capacity of 773.7 MW. The plant, which began operating in 1966, is owned by Talen Energy and operated by H.A. Wagner LLC. It utilizes petroleum liquids (DFO) as its primary fuel source. The facility consists of two generators using Petroleum Liquids technology.
The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In the most recent year with available data, the Herbert A. Wagner plant generated 192,796 MWh, achieving a capacity factor of 2.8%. The plant is ranked as the largest of four petroleum-fueled plants in Maryland and 13th out of 60 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
5.0K MWh
Latest Month
192.8K MWh
Annual Generation
2.8%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
PJM
LMP Node
50692
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
News & Articles (9)Beta
Grid·outage
DOE’s Fifth Emergency Order—for PJM—Caps Summer of Escalating Grid Risk
H.A. Wagner Power Plant: Talen's 840-MW plant in Anne Arundel County, Maryland includes a 359-MW unit converted to fuel oil in 2023,...
DOE (regulator)PJM (operator)
POWER Magazine·7 months ago
Grid·outage
DOE allows Talen to run oil-fired unit above limits to avoid outages amid heat wave
The unit is one of several owned by Talen Energy that were slated to retire in May of this year, before the company reached a...
DOE (regulator)Talen (operator)
Utility Dive·8 months ago
Grid·interconnection
Some Baltimore County residents, officials oppose BGE plan for new overhead power lines
Baltimore County elected officials and residents opposed the construction of new power lines intended to compensate for a retiring coal...
BGE (operator)
Baltimore Sun·11 months ago
Industry·corporate
Planned retirements of U.S. coal-fired electric-generating capacity to increase in 2025
Electricity generators plan to retire 12.3 gigawatts (GW) of capacity in 2025, a 65% increase in retirements compared with 2024.
U.S. Energy Information Administration (EIA) (.gov)·1 years ago
Last updated 2026-03-14
View all 9 articles