Tenaska Westmoreland Generating Station — Plant Summary
- EIA Plant ID
- 60464
- Capacity
- 1134 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Westmoreland, PA
- Operating Since
- 2018
- Generators
- 3
- Operator
- Tenaska Pennsylvania Partners, LLC
- Parent Company
- —
- Annual Generation
- 6,298,297 MWh
- Capacity Factor
- 63.4%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Tenaska Westmoreland Generating Station
OperatingNatural Gas
Ranked #11 of 70 Natural Gas plants in PA#128 of 2009 nationally
1134 MW Natural Gas operating in Westmoreland, PA — PJM Interconnection, LLC
EIAWD
1,134 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2018
Operating Since
Location
Coordinates
40.1752, -79.6967
County
Westmoreland, PA
Nearby Plants
- Hunker Solar River, LLCSolar3.3 MW · 6.3 km
- Monongahela L&D4 Hydroelectric ProjectHydro12 MW · 17.7 km
- Clairton WorksOther Gas31 MW · 21.7 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tenaska Pennsylvania Partners, LLC | — | — |
| Owner(s) | DGC Westmoreland, LLC, J-POWER Westmoreland, LLC, Tenaska Pennsylvania Holdings, LLC, Tenaska Pennsylvania I, LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Tenaska Westmoreland Generating Station is a natural gas-fired combined cycle power plant located in Westmoreland County, Pennsylvania. The plant has a total capacity of 1134 MW across three generators. It began operating in 2018 and is owned and operated by Tenaska Pennsylvania Partners, LLC. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region.
In its most recent year of operation, Tenaska Westmoreland Generating Station produced 6,298,297 MWh of electricity, achieving a capacity factor of 63.4%. The plant is a significant power producer in Pennsylvania, ranking as the 10th largest out of 35 power plants in the state, and 132nd largest out of 945 plants nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
525 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
690.6K MWh
Latest Month
6.3M MWh
Annual Generation
63.4%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Tensaka Westmoreland Substation · 500 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
1356163094
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
General
‘Long overdue’: Tenaska power plant faces hearing on emissions, monitoring
From his Mendon Road horse farm, Eric Metz watches white clouds billow daily from the 940-megawatt natural gas power plant looming over...
TribLIVE.com·2 months ago
Regulatory·permitting
‘Long overdue’: Tenaska power plant faces hearing on emissions, monitoring
From his Mendon Road horse farm, Eric Metz watches white clouds billow daily from the 940-megawatt natural gas power plant looming over...
Tenaska (operator)Eric Metz (other)
TribLIVE.com·2 months ago
General
‘Long overdue’: Tenaska power plant faces hearing on emissions, monitoring
From his Mendon Road horse farm, Eric Metz watches white clouds billow daily from the 940-megawatt natural gas power plant looming over...
TribLIVE.com·2 months ago
General
State says it plans to issue air quality permit to Tenaska power plant
State regulators say they will issue an air quality permit to the natural gas-fired power plant in South Huntingdon, despite objections from...
TribLIVE.com·4 months ago
Last updated 2026-03-26
View all 10 articles