Conemaugh — Plant Summary
- EIA Plant ID
- 3118
- Capacity
- 1963 MW
- Primary Fuel
- Coal
- Technology
- Conventional Steam Coal, Petroleum Liquids
- Status
- Standby
- Location
- Indiana, PA
- Operating Since
- 1970
- Generators
- 6
- Operator
- KeyCon Operating LLC
- Parent Company
- —
- Annual Generation
- 3,914,238 MWh
- Capacity Factor
- 22.6%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Conemaugh
StandbyBit. CoalDistillate OilHybrid
Ranked #1 of 3 Bit. Coal plants in PA#13 of 66 nationally
1963 MW Conventional Steam Coal (1951 MW) + Petroleum Liquids (12 MW) standby in Indiana, PA — PJM Interconnection, LLC
EIAWD
1,963 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Conventional Steam Coal + Petroleum Liquids
1970
Operating Since
Location
Coordinates
40.3842, -79.0611
County
Indiana, PA
Nearby Plants
- Seward (PA)Waste Coal585 MW · 3.4 km
- CPV Fairview Energy CenterNatural Gas1197 MW · 17.7 km
- Homer City Generating StationNatural Gas4396 MW · 18.3 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | KeyCon Operating LLC | Chief Conemaugh Power | — |
| Owner(s) | Chief Conemaugh Power II, LLC, Chief Conemaugh Power LLC, Conemaugh Power LLC, Conemaugh Power Pass-Through Holders LLC, Montour LLC | Chief Conemaugh Power | — |
| Status | Standby | — | — |
Ownership Chain
About
The Conemaugh Generating Station is a 1,872 MW baseload coal-powered plant located on 1,750 acres (710 ha), across the Conemaugh River from New Florence in Western Pennsylvania. Track 3 of the Norfolk Southern Pittsburgh line runs next to the power plant.
Read more on WikipediaThe Conemaugh Generating Station is a 1963 MW hybrid power plant located in Indiana County, Pennsylvania. The plant began operating in 1970 and is owned and operated by KeyCon Operating LLC. Conemaugh is fueled primarily by conventional steam coal and petroleum liquids (distillate fuel oil, or DFO). The facility consists of six generators utilizing these fuel sources.
Conemaugh operates within the PJM Interconnection, LLC balancing authority and is part of the ReliabilityFirst Corporation (RFC) NERC region. The plant's latest annual generation was 3,914,238 MWh, achieving a capacity factor of 22.6%. Conemaugh is a significant power producer in Pennsylvania, ranking as the largest of six coal plants in the state and the second largest of 60 coal plants nationally. The plant has been the subject of 10 news articles, with a focus on regulatory matters (9 articles) and industry news (1 article).
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
428.2K MWh
Latest Month
3.9M MWh
Annual Generation
22.6%
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
50769
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
Regulatory·permitting
DEP Invites Comments On Proposed Consent Decree Covering Wastewater Discharges To Continue Operation Of The Keystone And Conemaugh Coal-Fired Power Plants In Indiana And Armstrong Counties
The Department of Environmental Protection published notice in the January 10 PA Bulletin inviting comments on a proposed Consent Decree...
Department of Environmental Protection (regulator)
PA Environment Digest Blog·2 months ago
Regulatory·federal policy
Pa. electric customers will pay to keep an old power plant running under federal orders
Constellation Energy had planned to retire the Eddystone Generating Station in Delaware County at the end of May.
Constellation Energy (operator)
Pennsylvania Capital-Star·6 months ago
Regulatory·federal policy
These Companies Avoided Clean-Air Rules. It Took a Single Email.
Sites including at least 15 coal plants sought exemptions from environmental rules using a new Trump administration system to fast-track...
Trump administration (regulator)
The New York Times·8 months ago
Regulatory·federal policy
U.S. Steel, Western Pa. power plants seek 2‑year exemptions from air pollution rules
U.S. Steel, Ebensburg Power Company and Keystone-Conemaugh Projects are among the companies that have requested from the Trump...
U.S. Steel (other)Ebensburg Power Company (other)
90.5 WESA·10 months ago
Last updated 2026-03-14
View all 10 articles