Brunner Island — Plant Summary
- EIA Plant ID
- 3140
- Capacity
- 1616.1 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Steam Turbine
- Status
- Operating
- Location
- York, PA
- Operating Since
- 1961
- Generators
- 3
- Operator
- Brunner Island LLC
- Parent Company
- Talen Energy
- Annual Generation
- 4,191,478 MWh
- Capacity Factor
- 29.7%
- Balancing Authority
- PJM Interconnection, LLC
- ISO/RTO
- PJM
- NERC Region
- RFC
Brunner Island
OperatingNatural Gas
Ranked #4 of 70 Natural Gas plants in PA#46 of 2009 nationally
1616.1 MW Natural Gas operating in York, PA — PJM Interconnection, LLC
EIAWD
1,616.1 MW
Nameplate Capacity
3
Generators
units
Natural Gas Steam Turbine
Technology
1961
Operating Since
Location
Coordinates
40.0961, -76.6962
County
York, PA
Nearby Plants
- York HavenHydro19.6 MW · 2.4 km
- Strinestown SolarSolar79.6 MW · 3.7 km
- Crane Clean Energy CenterNuclear980.8 MW · 6.6 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Brunner Island LLC | Brunner Island | — |
| Owner(s) | Brunner Island LLC | Talen Energy | PPL |
| Status | Operating | — | — |
Ownership Chain
About
Brunner Island Steam Electric Station is a coal and natural gas-powered electrical generation facility in York County, Pennsylvania. It occupies most of the area of the eponymous island on Susquehanna River. The power plant has three major units, which came online in 1961, 1965, and 1969, with respective generating capacities of 334 MW, 390 MW, and 759 MW. In addition, three internal combustion generators were installed in 1967. Talen Energy will stop coal use at the plant in 2028.
Read more on WikipediaBrunner Island is a 1616.1 MW natural gas power plant located in York County, Pennsylvania. The plant began operating in 1961 and is owned by Talen Energy, with Brunner Island LLC listed as the operator per EIA data. It consists of three generators utilizing natural gas steam turbine technology. Brunner Island operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region.
The plant's latest annual generation was 4,191,478 MWh, resulting in a capacity factor of 29.7%. Brunner Island is the 3rd largest power plant out of 35 in Pennsylvania, and ranks 51st out of 945 plants nationally. Recent news coverage includes 6 articles related to regulatory matters, 2 regarding hazards, and 1 covering industry topics.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
427.2K MWh
Latest Month
4.2M MWh
Annual Generation
29.7%
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
50581
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
News & Articles (10)Beta
Regulatory·permitting
PA Oil & Gas Industrial Facilities: Permit Notices, Opportunities To Comment - October 4
The following notices were published in the October 4 PA Bulletin related to oil and gas industry facilities. Many of the notices offer the...
PA Environment Digest Blog·5 months ago
Hazards·wildfire
Crews battle fire at York County power plant
Multiple crews are at the scene of a fire at a power plant in East Manchester Township. According to York County dispatchers, the first calls came in at 3:32...
WGAL·11 months ago
Hazards·wildfire
Firefighters battle 'challenging' power plant fire at Brunner Island
Photos from the scene of the fire at Talen Energy on Brunner Island in York County, Pa., April 10, 2025. (Courtesy of Union Fire Company No. 1). Caption...
Talen Energy (operator)
local21news.com·11 months ago
Regulatory·federal policy
Environmental group sues Brunner Island power plant owner over ‘toxic waste’ pollution
An environmental group has kept its promise to sue the owner of Brunner Island power plant for failing to control coal ash pollution from a storage impoundment.
Brunner Island power plant (operator)
PennLive.com·11 months ago
Last updated 2026-03-14
View all 10 articles