Key
Natural gas power plant in Prince Georges County, Maryland. 830.6 MW of nameplate capacity across 3 generators, operated by Parkway Generation Keys Energy Center LLC.
Also known as PSEG Keys Energy Center · EIA plant 60302
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Key facts
- Capacity
- 830.6 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- July 2018First generator online
- Operator
- Parkway Generation Keys Energy Center LLCEIA operator ID 60100
- Grid
- PJMBalancing authority PJM
- Price nodes
- 3 PJM nodesResource nodes with prices
- Location
- Prince Georges County, MD38.6955, −76.8278
- EIA plant ID
- 60302EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Key produces
Free · EIA-923Net generation, 2025
4.37 TWh
4,370,590 MWh, final
Capacity factor, 2025
60.1%
2024: 67.4%
January to July 2026
2.60 TWh
Provisional
Range, 2019 to 2025
4.2–4.9
TWh a year. Low 2023, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | 2,189,603 | Not reported | 6 of 12 |
| 2019 | 4,658,538 | 64.0% | 12 of 12 |
| 2020 | 4,949,094 | 67.8% | 12 of 12 |
| 2021 | 4,934,380 | 67.8% | 12 of 12 |
| 2022 | 4,581,870 | 63.0% | 12 of 12 |
| 2023 | 4,202,671 | 57.8% | 12 of 12 |
| 2024 | 4,916,094 | 67.4% | 12 of 12 |
| 2025 | 4,370,590 | 60.1% | 12 of 12 |
| 2026 (provisional, partial year) | 2,604,973 | 61.6% | 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 · PJMEmissions
Free · EPA CAMPDCO₂, 2025
1.87M
US short tons. 2024: 2.12M
SO₂, 2025
9
US short tons
NOx, 2025
90
US short tons
CO₂ per MWh, calculated
0.43 t
About 858 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (11, 12), matched to EIA plant 60302 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
Not reported
million gallons as reported; not used, see note
Consumption, 2024
Not reported
million gallons
Source
Not reported
Dry cooling
Watershed stress
Very low/none · 0.148
USGS SUI, HUC12 Mataponi Creek-Patuxent River
0 of 12 cooling months report withdrawal. Dry cooling with no reported withdrawal; not tested. Consumption is below 5% of a large reported withdrawal, so the withdrawal is not used. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 10 | Natural Gas Fired Combined Cycle | 359.6 | July 2018 |
| 11 | Natural Gas Fired Combined Cycle | 235.5 | July 2018 |
| 12 | Natural Gas Fired Combined Cycle | 235.5 | July 2018 |
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 Parkway Generation Keys Energy Center 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 Key
Questions about Key
How much power does Key produce?
Key reported 4,370,590 MWh (4.37 TWh) of net generation in 2025, a 60.1% capacity factor on 830.6 MW of nameplate capacity. From January to July 2026 it reported 2.60 TWh, which is provisional.
Where is Key?
Key is in Prince Georges County, Maryland, at 38.6955, −76.8278. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Key?
EIA-860M for August 2026 lists Parkway Generation Keys Energy Center LLC as the operator (EIA operator ID 60100). The operator is not always the owner.
When did Key start operating?
Its first generator began operating in July 2018, according to EIA-860M.
Does InfraMap have power prices for Key?
Yes. InfraMap has PJM day-ahead and real-time prices at 3 price nodes linked to Key, 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