Brunner Island
Natural gas power plant in York County, Pennsylvania. 1,616.1 MW of nameplate capacity across 3 generators, operated by Brunner Island LLC.
Also known as Brunner Island Power Station · EIA plant 3140
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Key facts
- Capacity
- 1,616.1 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- May 1961First generator online
- Operator
- Brunner Island LLCEIA operator ID 15537
- Grid
- PJMBalancing authority PJM
- Price nodes
- 3 PJM nodesResource nodes with prices
- Location
- York County, PA40.0961, −76.6962
- EIA plant ID
- 3140EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Brunner Island produces
Free · EIA-923Net generation, 2025
4.19 TWh
4,191,478 MWh, final
Capacity factor, 2025
29.6%
2024: 24.0%
January to July 2026
2.40 TWh
Provisional
Range, 2015 to 2025
1.8–4.9
TWh a year. Low 2020, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 8,948,780 | Not reported | 12 of 12 |
| 2001 | 6,412,195 | Not reported | 12 of 12 |
| 2002 | 9,995,287 | Not reported | 12 of 12 |
| 2003 | 8,940,575 | Not reported | 12 of 12 |
| 2004 | 10,421,732 | Not reported | 12 of 12 |
| 2005 | 10,167,210 | Not reported | 12 of 12 |
| 2006 | 9,132,954 | Not reported | 12 of 12 |
| 2007 | 10,450,844 | Not reported | 12 of 12 |
| 2008 | 9,284,766 | Not reported | 11 of 12 |
| 2009 | 1,797,369 | Not reported | 2 of 12 |
| 2010 | 970,784 | 83.3% | 1 of 12 |
| 2011 | 1,609,812 | 70.2% | 2 of 12 |
| 2012 | 5,961,177 | 43.3% | 12 of 12 |
| 2013 | 356,414 | Not reported | 1 of 12 |
| 2014 | 5,944,393 | 41.8% | 12 of 12 |
| 2015 | 4,850,834 | 34.1% | 12 of 12 |
| 2016 | 3,267,176 | Not reported | 12 of 12 |
| 2017 | 3,649,475 | Not reported | 12 of 12 |
| 2018 | 1,853,300 | Not reported | 12 of 12 |
| 2019 | 2,587,597 | Not reported | 12 of 12 |
| 2020 | 1,840,170 | Not reported | 12 of 12 |
| 2021 | 2,518,536 | Not reported | 12 of 12 |
| 2022 | 3,672,788 | Not reported | 12 of 12 |
| 2023 | 2,684,893 | 19.0% | 12 of 12 |
| 2024 | 3,400,289 | 24.0% | 12 of 12 |
| 2025 | 4,191,478 | 29.6% | 12 of 12 |
| 2026 (provisional, partial year) | 2,400,398 | 29.2% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · PJMEmissions
Free · EPA CAMPDCO₂, 2025
3.27M
US short tons. 2024: 2.35M
SO₂, 2025
3,394
US short tons
NOx, 2025
3,746
US short tons
CO₂ per MWh, calculated
0.78 t
About 1,560 lb per MWh
3 of 3 EPA units reported CO₂ in 2025 (1, 2, 3), matched to EIA plant 3140 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
149,440
million gallons
Consumption, 2024
1,790
million gallons
Source
Susquehanna River
Surface, Fresh. Once-through
Watershed stress
Very low/none · 0.125
USGS SUI, HUC12 Hartman Run-Susquehanna River
36 of 36 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Steam Turbine | 363.3 | May 1961 |
| 2 | Natural Gas Steam Turbine | 405.0 | September 1965 |
| 3 | Natural Gas Steam Turbine | 847.8 | June 1969 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Brunner Island LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Brunner Island
Questions about Brunner Island
How much power does Brunner Island produce?
Brunner Island reported 4,191,478 MWh (4.19 TWh) of net generation in 2025, a 29.6% capacity factor on 1,616.1 MW of nameplate capacity. From January to July 2026 it reported 2.40 TWh, which is provisional.
Where is Brunner Island?
Brunner Island is in York County, Pennsylvania, at 40.0961, −76.6962. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Brunner Island?
EIA-860M for August 2026 lists Brunner Island LLC as the operator (EIA operator ID 15537). The operator is not always the owner.
When did Brunner Island start operating?
Its first generator began operating in May 1961, according to EIA-860M.
Does InfraMap have power prices for Brunner Island?
Yes. InfraMap has PJM day-ahead and real-time prices at 3 price nodes linked to Brunner Island, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- PJM day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page