Princeton Energy Center, LLC
Natural gas power plant in Middlesex County, New Jersey. 4.8 MW of nameplate capacity across 2 generators, operated by Princeton Energy Center LLC.
Also known as EIA plant 61822
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 4.8 MWNatural gas 4.6 · Solar 0.2
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- October 2012First generator online
- Operator
- Princeton Energy Center LLCEIA operator ID 61440
- Grid
- PJMBalancing authority PJM
- Price nodes
- None linkedNo verified ISO node
- Location
- Middlesex County, NJ40.3398, −74.6239
- EIA plant ID
- 61822EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Princeton Energy Center produces
Free · EIA-923Net generation, 2025
26.0 GWh
26,041 MWh, final
Capacity factor, 2025
27.5%
2024: 26.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2017 to 2025
20.7–26.0
GWh a year. Low 2020, high 2025
| 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 | 25,300 | 26.7% | 12 of 12 |
| 2018 | 21,848 | 23.1% | 12 of 12 |
| 2019 | 21,415 | 22.6% | 12 of 12 |
| 2020 | 20,721 | 21.8% | 12 of 12 |
| 2021 | 21,604 | 22.8% | 12 of 12 |
| 2022 | 23,171 | 24.5% | 12 of 12 |
| 2023 | 23,926 | 25.3% | 12 of 12 |
| 2024 | 24,630 | 26.0% | 12 of 12 |
| 2025 | 26,041 | 27.5% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GT1 | Natural Gas Fired Combustion Turbine | 4.6 | October 2012 |
| S1 | Solar Photovoltaic | 0.2 | December 2012 |
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 Princeton 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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Questions about Princeton Energy Center
How much power does Princeton Energy Center, LLC produce?
Princeton Energy Center, LLC reported 26,041 MWh (26.0 GWh) of net generation in 2025, a 27.5% capacity factor on 4.8 MW of nameplate capacity.
Where is Princeton Energy Center, LLC?
Princeton Energy Center, LLC is in Middlesex County, New Jersey, at 40.3398, −74.6239. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Princeton Energy Center, LLC?
EIA-860M for August 2026 lists Princeton Energy Center LLC as the operator (EIA operator ID 61440). The operator is not always the owner.
When did Princeton Energy Center, LLC start operating?
Its first generator began operating in October 2012, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page