CoalOperatingPJM

Keystone

Coal power plant in Armstrong County, Pennsylvania. 1,872 MW of nameplate capacity across 2 generators, operated by KeyCon Operating LLC.

Also known as Keystone Generating Station · Keystone Power Plant · EIA plant 3136

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ArmstrongIndiana University of PennsylvaniaAllegheny No 6 Hydro StationConemaugh Hydro PlantAllegheny Hydro No 8Keystone10 km
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6 plants within 29 km, from EIA coordinates.

Key facts

Capacity
1,872 MWNameplate
Generators
2 operatingEIA-860M, August 2026
Operating since
August 1967First generator online
Operator
KeyCon Operating LLCEIA operator ID 63047
Grid
PJMBalancing authority PJM
Price nodes
2 PJM nodesResource nodes with prices
Location
Armstrong County, PA40.6604, −79.3411
EIA plant ID
3136EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Keystone produces

Free · EIA-923

Net generation, 2025

−17.8 GWh

−17,783 MWh, final. 2 of 12 months reported

Capacity factor, 2025

-0.6%

2024: -0.6%

January to July 2026

2.45 TWh

Provisional

Annual net generation, TWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
200012,306,686Not reported12 of 12
200112,761,030Not reported12 of 12
200212,218,840Not reported12 of 12
200312,445,275Not reported12 of 12
200412,262,807Not reported12 of 12
200513,488,615Not reported12 of 12
200612,727,533Not reported12 of 12
200712,277,622Not reported12 of 12
200814,144,732Not reported12 of 12
200910,542,621Not reported12 of 12
201013,552,46782.1%12 of 12
20113,351,33480.6%3 of 12
20121,086,04777.5%1 of 12
20131,165,90083.2%1 of 12
20143,734,24367.7%4 of 12
2015Not reportedNot reported0 of 12
20161,939,03670.3%2 of 12
20174,357,97063.8%5 of 12
20183,475,607Not reported3 of 12
20195,326,82978.6%5 of 12
2020887,812Not reported1 of 12
20211,737,06641.3%3 of 12
20221,503,790Not reported4 of 12
2023182,0394.4%3 of 12
2024−23,740-0.6%3 of 12
2025−17,783-0.6%2 of 12
2026 (provisional, partial year)2,448,89825.6%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 · PJM

Emissions

Free · EPA CAMPD

CO₂, 2025

4.94M

US short tons. 2024: 3.32M

SO₂, 2025

8,934

US short tons

NOx, 2025

1,582

US short tons

2 of 2 EPA units reported CO₂ in 2025 (1, 2), matched to EIA plant 3136 through the EPA–EIA crosswalk.

Water use

Free · EIA-923 cooling, USGS

Withdrawal, 2024

1,943

million gallons

Consumption, 2024

1,107

million gallons

Source

Crooked Creek

Surface, Fresh. Natural-draft tower

Watershed stress

Very low/none · 0.187

USGS SUI, HUC12 Curry Run-Crooked Creek

24 of 24 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Conventional Steam Coal936.0August 1967
2Conventional Steam Coal936.0July 1968

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists KeyCon Operating LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

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.

Analyst and MCP

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Power plants near Keystone

More plants operated by KeyCon Operating LLC

Questions about Keystone

How much power does Keystone produce?

Keystone reported −17,783 MWh (−17.8 GWh) of net generation in 2025. From January to July 2026 it reported 2.45 TWh, which is provisional. 2 of 12 months were reported for 2025.

Where is Keystone?

Keystone is in Armstrong County, Pennsylvania, at 40.6604, −79.3411. It is in the PJM Interconnection, LLC balancing area (PJM).

Who operates Keystone?

EIA-860M for August 2026 lists KeyCon Operating LLC as the operator (EIA operator ID 63047). The operator is not always the owner.

When did Keystone start operating?

Its first generator began operating in August 1967, according to EIA-860M.

Does InfraMap have power prices for Keystone?

Yes. InfraMap has PJM day-ahead and real-time prices at 2 price nodes linked to Keystone, 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