How big is Brunot Island?

Brunot Island has a reported capacity of 365.4 MW. Source: EIA Form 860.

What kind of plant is Brunot Island?

Brunot Island is a Petroleum Liquids, Natural Gas Fired Combined Cycle facility in Allegheny County, PA, participating in the PJM market.

Where is Brunot Island located?

Brunot Island is in Allegheny County, PA, inside the PJM balancing area.

Who operates Brunot Island?

Brunot Island is operated by Brunot Island Power, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Brunot Island generate?

Brunot Island reported 54.1 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Brunot Island compare to other plants?

By capacity, Brunot Island ranks #340 of 538 operating plants of the same technology nationally. It ranks #22 of 26 in PA.

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Petroleum Liquids, Natural Gas Fired Combined CyclePJM · Allegheny County

Brunot Island

Allegheny County · PJM

Brunot Island is a natural gas-fired power facility with 365.4 MW of EIA-reported nameplate capacity in Allegheny County, Pennsylvania, registered as EIA Plant ID 3096. The plant's generating configuration is five operating generators: one 25.5-MW distillate/fuel-oil combustion turbine (1A) and three 65.3-MW natural-gas-fired combined-cycle combustion-turbine parts (2A, 2B, and 3), each with an HRSG and and one 144-MW natural-gas combined-cycle steam part (ST4, with duct burners). Commercial operation began in March 1972.

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Asset analyst

plant:plant-3096

Ask about Brunot Island

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

Overview

Key fields

Reported capacity: 365.4 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Petroleum Liquids, Natural Gas Fired Combined Cycle
Primary generation technology.
Registry anchor: Plant 3096
Allegheny County · PJM
Operating status: Operating
Brunot Island is currently operating; a closure or retirement is listed for 2014.
Commercial operation: March 1972
Best-supported operating milestone.

Infrastructure record

Operator: Brunot Island Power, LLC

Profile

Operating status: Brunot Island is currently operating; a closure or retirement is listed for 2014.
Grid role: Commercial grid generation using mixed natural-gas combined-cycle and oil-fired simple-cycle generating units.
Physical build: Operating fossil-fuel thermal plant comprising one oil-fired simple-cycle combustion turbine (Unit 1A), three natural-gas combined-cycle combustion turbines (Units 2A, 2B, and 3), one HRSG serving each combined-cycle turbine, associated 240 MMBtu/h duct burners, one combined-cycle steam turbine (ST4), water injection and SCR controls, and one four-cell 84,000-gallon-per-minute cooling tower. The permit identifies General Electric Model 5000N for Unit 1A and General Electric Frame 7000-B turbines for Units 2A, 2B, and 3; Power Technology identifies the combined-cycle turbines as GE Power Frame 7E units and the steam boiler supplier as Amec Foster Wheeler.

Structured profile

Reported capacity: 365.4 MW
Petroleum Liquids, Natural Gas Fired Combined Cycle
Commercial operation: March 1972
Operating status: operating
Brunot Island is currently operating; a closure or retirement is listed for 2014.
Retirement: 2014
Brunot Island is currently operating; a closure or retirement is listed for 2014.
Location

Units and generators

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

Generator	Capacity	Technology	Operation	Status
1A	25.5 MW 18.1 MW summer	Petroleum Liquids Disillate Fuel Oil · GT	Mar 1972	Operating
1B	25.5 MW 15 MW summer	Petroleum Liquids Disillate Fuel Oil · GT	Mar 1972	Operating
1C	25.5 MW 15 MW summer	Petroleum Liquids Disillate Fuel Oil · GT	Mar 1972	Operating
2A	65.3 MW 47.4 MW summer

Performance

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

Peer context

Technology capacity: 339.9 MW
National rank: #340
PA rank: #22

Monthly generation

Download CSV

Latest 12 months

54.1 GWh

Reported net generation

Latest report

Dec 2024

EIA-923 monthly filing

2024 capacity factor

1.7%

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

BRUNOT ISLAND

IN SERVICE · 345 kV

0.2 km

UNKNOWN123789

Commercial, land, and environmental record

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

Land and environmental record

Emissions Controls

Jan 15, 2026

Simple-cycle turbine has no emission controls. Three combined-cycle turbines equipped with water injection and selective catalytic reduction (SCR) for NOx control. Cooling tower equipped with mist eliminators for particulate control.

Emissions-control equipment stated in County technical support document and Title V permit materials (2026).

Minor Permit - blank

Npdes Permit

Oct 1, 2024

Pennsylvania NPDES Permit PA0031933 authorizes Brunot Island Power LLC to discharge from Brunot Island Generating Station to Ohio River in Allegheny County. Permit issued September 23, 2024; effective October 1, 2024; expires September 30, 2029.

Exact wastewater-discharge permit and five-year term.

AUTHORIZATION TO DISCHARGE UNDER THE NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM DISCHARGE REQUIREMENTS FOR INDUSTRIAL WASTEWATER FACILITIES

Sip And Permit History

Sep 12, 2019

Pennsylvania 2019 PM2.5 SIP identifies GenOn Brunot Island combined-cycle turbine as using natural gas or fuel oil with water injection and SCR, plus mist eliminators, meeting RACT requirements. County permit history identifies installation permits #0056-I001a, #0056-I001b, #0056-I001c, RACT Installation Permit #0056-I002, and prior operating permit #1065009-000-23600.

State and county air-permitting milestones and applicable emissions-control requirements documented.

Source

Site Area And Location

2026

Brunot Island is a 129-acre island in the Ohio River. FERC/EIA record identifies plant code 3096 as Brunot Island, Allegheny County, Pennsylvania.

Official EIA/FERC record corrects supplied Texas location. A Pittsburgh municipal page states facilities on island are owned/operated by Duquesne Light Company. Exact generating-station parcel title not established in reviewed county records.

MBR | Index

Title V Air Permit

Jan 15, 2026

Allegheny County Title V Operating Permit #0056-OP26 issued January 15, 2026 for Brunot Island Generating Station. Permit identifies Brunot Island Power LLC as permittee/owner; facility located Brunot Island, Pittsburgh, PA 15233.

Current air permit identifier and permittee/owner record for exact EIA plant code 3096.

Minor Permit - blank

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

plant:plant-3096Grid selectionCanonical asset page /assets/facilities/brunot-island.

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

1894
1894
Original Generating-Station ConstructionBrunot Isla...
George Westinghouse bought Brunot Island and built a coal-fired electrical generating station; the National Park Service states that a large power plant has operated there ever since.
1972
1972

Brunot Island

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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

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Timeline and sources

Project timeline

Reporting portfolio

Sources

Common questions about Brunot Island

How big is Brunot Island?

What kind of plant is Brunot Island?

Where is Brunot Island located?

Who operates Brunot Island?

How much electricity does Brunot Island generate?

How does Brunot Island compare to other plants?

Co-located assets

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