How big is FirstEnergy Harrison Power Station?

FirstEnergy Harrison Power Station has a reported capacity of 2,052 MW. Source: EIA Form 860.

What kind of plant is FirstEnergy Harrison Power Station?

FirstEnergy Harrison Power Station is a Conventional Steam Coal facility in Harrison County, WV, participating in the PJM market.

Where is FirstEnergy Harrison Power Station located?

FirstEnergy Harrison Power Station is in Harrison County, WV, inside the PJM balancing area.

Who operates FirstEnergy Harrison Power Station?

FirstEnergy Harrison Power Station is operated by Monongahela Power Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

When did FirstEnergy Harrison Power Station start operating?

FirstEnergy Harrison Power Station reports a commercial operation date of 1972. Current status: operating. Source: EIA Form 860.

How much electricity does FirstEnergy Harrison Power Station generate?

FirstEnergy Harrison Power Station reported 10,838.7 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

How does FirstEnergy Harrison Power Station compare to other plants?

By capacity, FirstEnergy Harrison Power Station ranks #17 of 206 operating plants of the same technology nationally. It ranks #2 of 9 in WV.

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Conventional Steam CoalPJM · Harrison County

FirstEnergy Harrison Power Station

Harrison County · PJM

FirstEnergy Harrison Power Station is a coal-fired power facility with 2,052 MW of EIA-reported nameplate capacity in Harrison County, West Virginia, registered as EIA Plant ID 3944. FirstEnergy's official fact sheet identifies Harrison Power Station as one of the largest and cleanest coal-fired generating facilities in the nation. Monongahela Power Company acquired a 79.46% interest in the plant from Allegheny Energy Supply Company, LLC in 2013.

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plant:plant-3944

Ask about FirstEnergy Harrison Power Station

Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.

Overview

Key fields

Reported capacity: 2,052 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Conventional Steam Coal
Primary generation technology.
Registry anchor: Plant 3944
Harrison County · PJM
Operating status: Operating
FirstEnergy Harrison Power Station is currently operating; a closure or retirement is listed for 2040.
Commercial operation: 1972
Best-supported operating milestone.

Infrastructure record

Operator: Monongahela Power Co

Profile

Operating status: FirstEnergy Harrison Power Station is currently operating; a closure or retirement is listed for 2040.
Grid role: Reliability-oriented regulated generation within Mon Power’s PJM portfolio; the company’s IRP links continued Harrison operation and new dispatchable generation to meeting PJM adequacy and reliability needs.
Context: FirstEnergy's official fact sheet identifies Harrison Power Station as one of the largest and cleanest coal-fired generating facilities in the nation.
Physical build: Operating coal-fired conventional steam station with three generating units/generators. The units have 684 MW nameplate capacity each (2,052 MW total); technical documentation states each unit can produce 720 MW at full load. Installed scope includes three Foster-Wheeler boilers, three Westinghouse steam turbines, three electric generators, scrubber modules on all three units, three SCR systems, and two hyperbolic cooling towers. The Unit 1 SCR retrofit used Haldor Topsoe catalyst/process technology.

Structured profile

Reported capacity: 2,052 MW
Conventional Steam Coal
Commercial operation: 1972
Operating status: operating
FirstEnergy Harrison Power Station is currently operating; a closure or retirement is listed for 2040.
Retirement: 2040
FirstEnergy Harrison Power Station is currently operating; a closure or retirement is listed for 2040.
Location

Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
1	684 MW 652 MW summer	Conventional Steam Coal Bituminous Coal · ST	Dec 1972	Operating
2	684 MW 651 MW summer	Conventional Steam Coal Bituminous Coal · ST	Dec 1973	Operating
3	684 MW 651 MW summer	Conventional Steam Coal Bituminous Coal · ST	Dec 1974	Operating

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 2,052 MW
National rank: #17
WV rank: #2

Monthly generation

Download CSV

Latest 12 months

10.84 TWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

59.8%

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

UNKNOWN161974

IN SERVICE · 138 kV

0.2 km

HARRISON

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Financing

Parent Equity Financing

Oct 9, 2013

Approximately $527 million of the $1.1 billion net consideration was financed through equity infusion from FirstEnergy Corp. to Mon Power.

$527MFirstEnergy Corp. · Monongahela Power Company

Source

Land and environmental record

Air Permit

Nov 18, 2025

Permit No. WVDEP Title V operating permit R30-03300015-2025 for Harrison Power Station; approved November 18, 2025

Current Title V air quality permit number R30-03300015-2025, final approval date November 18, 2025. Issued by West Virginia Department of Environmental Protection, Division of Air Quality.

TitleV-Permit

Cooling Water Source

Cooling-water makeup is pumped from the West Fork River

Cooled water collected at the base of the cooling tower is mixed with water pumped from the West Fork River to replace evaporation losses.

Source

Environmental Compliance Milestone

Apr 1, 2028

2025 renewal added iron and aluminum limits to haul-road stormwater outfalls 012, 013, 014, and 015; limits effective April 1, 2028

2025 WVDEP permit renewal assigned aluminum and iron limits at outfall 012 and iron limits at outfalls 013–015 with 36-month compliance schedule ending April 1, 2028. MonPower appealed, attributing flow to abandoned mine workings.

2025.06.23. 25-04-EQB. Unopposed MTC Evidentiary Hearing (Harrison)

Groundwater Compliance

2017

Groundwater monitoring has operated since 1993; CCR Rule groundwater-monitoring program began in 2017

WVDEP groundwater monitoring at the landfill has been in effect since 1993. Separate CCR Rule groundwater-monitoring program operates since 2017 under federal 40 CFR Part 257.

Source

Landfill Capacity

2016

Harrison landfill projected capacity: 122,200,000 cubic yards, with expected capacity through 2045

Closure plan estimates full-capacity inventory at 122.2 million cubic yards. Landfill is expected to have capacity until 2045, potentially longer depending on disposal rates and beneficial use.

Source

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

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AssetOwner / operator

Parties and identifiers

OrganizationRoleBasis

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

1972
1972
Unit 1 commercial operationSource
Unit 1 went online.
Dec 1972
Dec 1972

Reporting portfolio

EIA reporting entity

Monongahela Power Co

Entity 12796

Operating portfolio

5 plants

1 states

Reported capacity

3,234.2 MW

Conventional Steam Coal · Solar Photovoltaic

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
FirstEnergy Harrison Power StationCurrent	2,052 MW	WV
FirstEnergy Fort Martin Power Station	1,152 MW	WV
Fort Martin Solar	18.9 MW	WV
Marlowe Solar	5.8 MW	WV
Rivesville Solar	5.5 MW	WV

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

View full reporting portfolio

Ask about FirstEnergy Harrison Power Station

Ask about FirstEnergy Harrison Power Station

Overview

Key fields

Infrastructure record

Profile

Structured profile

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Financing

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Timeline and sources

Project timeline

Reporting portfolio

Sources

Common questions about FirstEnergy Harrison Power Station

How big is FirstEnergy Harrison Power Station?

What kind of plant is FirstEnergy Harrison Power Station?

Where is FirstEnergy Harrison Power Station located?

Who operates FirstEnergy Harrison Power Station?

When did FirstEnergy Harrison Power Station start operating?

How much electricity does FirstEnergy Harrison Power Station generate?

How does FirstEnergy Harrison Power Station compare to other plants?

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