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365.4 MW Natural Gas Fired Combined Cycle (340 MW) + Petroleum Liquids (26 MW) operating in Allegheny, PA — PJM Interconnection, LLC
365.4 MW
Nameplate Capacity
5
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Petroleum Liquids
1972
Operating Since
Coordinates
40.4649, -80.0438
County
Allegheny, PA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Brunot Island Power, LLC | Brunot Island Power | — |
| Owner(s) | Brunot Island Power, LLC | Midwood Holdings | NRG Energy |
| Status | Operating | — | — |
Brunot Island is a 129-acre (52 ha) island in the Ohio River. It is officially part of the Marshall-Shadeland neighborhood of Pittsburgh, Pennsylvania, United States. It was named for Dr. Felix Brunot who settled the island with his extended family in the late 1700s. The family entertained the Lewis and Clark Expedition on the island in August 1803. The island is home to the Brunot Island Generating Station, a 315 MW fossil fuel power plant.
Read more on WikipediaBrunot Island is a 365.4 MW hybrid power plant located in Allegheny County, Pennsylvania. The plant began operating in 1972 and is owned by Midwood Holdings, with Brunot Island Power, LLC as the operator. The facility utilizes both natural gas and petroleum liquids as primary fuels, employing natural gas-fired combined cycle technology. It consists of 5 generators.
The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In the most recent year of reported data, Brunot Island generated 56,705 MWh of electricity, resulting in a capacity factor of 1.8%. Brunot Island is ranked as the 27th largest power plant out of 35 in Pennsylvania, and 578th out of 945 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
0 MWh
Latest Month
56.7K MWh
Annual Generation
1.8%
Capacity Factor
CO₂ Intensity
1370 lb/MWh
NOx
0.261 lb/MWh
SO₂
0.013 lb/MWh
CH₄
0.025 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
3.3%
Annual Net Gen
105 GWh
CO₂eq
1371 lb/MWh
Subregion
RFC West
2013
$765/kW
Est. Construction Cost
Total estimated cost: $279.4M
Point of Interconnection
Nearest Substation
Brunot Island Substation · 138 kV
Substation Distance
< 10 km
Operator
Duquesne Light
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
38367991
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
Last updated 2026-03-26
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