Sayreville Cogeneration Facility
Natural gas power plant in Middlesex County, New Jersey. 430.2 MW of nameplate capacity across 3 generators, operated by Sayreville Power Generation LP.
Also known as Sayreville Energy Center · EIA plant 10308
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Key facts
- Capacity
- 430.2 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- August 1991First generator online
- Operator
- Sayreville Power Generation LPEIA operator ID 22290
- Grid
- PJMBalancing authority PJM
- Price nodes
- 1 PJM nodeResource nodes with prices
- Location
- Middlesex County, NJ40.4390, −74.3444
- EIA plant ID
- 10308EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Sayreville Cogeneration Facility produces
Free · EIA-923Net generation, 2025
879 GWh
878,761 MWh, final
Capacity factor, 2025
23.3%
2024: 14.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.3–1.3
TWh a year. Low 2020, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,052,467 | Not reported | 12 of 12 |
| 2001 | 2,098,614 | Not reported | 12 of 12 |
| 2002 | 2,141,850 | Not reported | 12 of 12 |
| 2003 | 1,982,273 | Not reported | 12 of 12 |
| 2004 | 415,450 | Not reported | 12 of 12 |
| 2005 | 491,179 | Not reported | 12 of 12 |
| 2006 | 407,478 | Not reported | 12 of 12 |
| 2007 | 791,594 | Not reported | 12 of 12 |
| 2008 | 1,051,292 | Not reported | 12 of 12 |
| 2009 | 899,338 | Not reported | 12 of 12 |
| 2010 | 977,648 | 25.9% | 12 of 12 |
| 2011 | 1,017,606 | 27.0% | 12 of 12 |
| 2012 | 1,638,984 | 43.4% | 12 of 12 |
| 2013 | 1,210,406 | Not reported | 12 of 12 |
| 2014 | 1,401,194 | Not reported | 12 of 12 |
| 2015 | 1,270,428 | Not reported | 12 of 12 |
| 2016 | 941,170 | 24.9% | 12 of 12 |
| 2017 | 846,682 | 22.5% | 12 of 12 |
| 2018 | 707,656 | 18.8% | 12 of 12 |
| 2019 | 392,036 | 10.4% | 12 of 12 |
| 2020 | 346,120 | 9.2% | 12 of 12 |
| 2021 | 739,864 | 19.6% | 12 of 12 |
| 2022 | 669,078 | 17.8% | 12 of 12 |
| 2023 | 938,193 | 24.9% | 12 of 12 |
| 2024 | 534,828 | 14.2% | 12 of 12 |
| 2025 | 878,761 | 23.3% | 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 account · PJMEmissions
Free · EPA CAMPDCO₂, 2025
440,635
US short tons. 2024: 273,327
SO₂, 2025
2
US short tons
NOx, 2025
306
US short tons
CO₂ per MWh, calculated
0.50 t
About 1,003 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1001, 1002), matched to EIA plant 10308 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 · 0.132
USGS SUI, HUC12 Tennent Brook-South 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 |
|---|---|---|---|
| CT1 | Natural Gas Fired Combined Cycle | 143.4 | August 1991 |
| CT2 | Natural Gas Fired Combined Cycle | 143.4 | August 1991 |
| ST1 | Natural Gas Fired Combined Cycle | 143.4 | August 1991 |
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 Sayreville Power Generation LP 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 Sayreville Cogeneration Facility
How much power does Sayreville Cogeneration Facility produce?
Sayreville Cogeneration Facility reported 878,761 MWh (879 GWh) of net generation in 2025, a 23.3% capacity factor on 430.2 MW of nameplate capacity.
Where is Sayreville Cogeneration Facility?
Sayreville Cogeneration Facility is in Middlesex County, New Jersey, at 40.4390, −74.3444. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Sayreville Cogeneration Facility?
EIA-860M for August 2026 lists Sayreville Power Generation LP as the operator (EIA operator ID 22290). The operator is not always the owner.
When did Sayreville Cogeneration Facility start operating?
Its first generator began operating in August 1991, according to EIA-860M.
Does InfraMap have power prices for Sayreville Cogeneration Facility?
Yes. InfraMap has PJM day-ahead and real-time prices at 1 price node linked to Sayreville Cogeneration Facility, 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