Seneca Energy
Landfill gas power plant in Seneca County, New York. 17.6 MW of nameplate capacity across 18 generators, operated by Seneca Energy II.
Also known as EIA plant 54782
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 17.6 MWNameplate
- Generators
- 18 operatingEIA-860M, August 2026
- Operating since
- March 1996First generator online
- Operator
- Seneca Energy IIEIA operator ID 17283
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- 1 NYISO nodeResource nodes with prices
- Location
- Seneca County, NY42.9281, −76.8408
- EIA plant ID
- 54782EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Seneca Energy produces
Free · EIA-923Net generation, 2025
47.8 GWh
47,835 MWh, final
Capacity factor, 2025
31.0%
2024: 50.7%
January to July 2026
10.5 GWh
Provisional
Range, 2015 to 2025
47.8–139.8
GWh a year. Low 2025, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 90,017 | Not reported | 12 of 12 |
| 2002 | 86,574 | Not reported | 12 of 12 |
| 2003 | 86,007 | Not reported | 12 of 12 |
| 2004 | 88,070 | Not reported | 12 of 12 |
| 2005 | 91,166 | Not reported | 12 of 12 |
| 2006 | 91,213 | Not reported | 12 of 12 |
| 2007 | 114,986 | Not reported | 12 of 12 |
| 2008 | 141,145 | Not reported | 12 of 12 |
| 2009 | 139,507 | Not reported | 12 of 12 |
| 2010 | 139,808 | 90.7% | 12 of 12 |
| 2011 | 140,220 | 90.9% | 12 of 12 |
| 2012 | 139,439 | 90.2% | 12 of 12 |
| 2013 | 141,103 | 91.5% | 12 of 12 |
| 2014 | 141,805 | 92.0% | 12 of 12 |
| 2015 | 139,757 | 90.6% | 12 of 12 |
| 2016 | 133,523 | 86.4% | 12 of 12 |
| 2017 | 121,990 | 79.1% | 12 of 12 |
| 2018 | 106,725 | 69.2% | 12 of 12 |
| 2019 | 103,400 | 67.1% | 12 of 12 |
| 2020 | 105,877 | 68.5% | 12 of 12 |
| 2021 | 94,836 | 61.5% | 12 of 12 |
| 2022 | 107,807 | 69.9% | 12 of 12 |
| 2023 | 93,970 | 60.9% | 12 of 12 |
| 2024 | 78,353 | 50.7% | 12 of 12 |
| 2025 | 47,835 | 31.0% | 12 of 12 |
| 2026 (provisional, partial year) | 10,533 | 11.8% | 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 · NYISOEmissions
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 |
|---|---|---|---|
| GE10 | Landfill Gas | 0.8 | August 1998 |
| GE11 | Landfill Gas | 0.8 | August 1998 |
| GE12 | Landfill Gas | 0.8 | August 1998 |
| GE13 | Landfill Gas | 0.8 | August 1998 |
| GE14 | Landfill Gas | 0.8 | August 1998 |
| GE15 | Landfill Gas | 1.6 | January 2007 |
| GE16 | Landfill Gas | 1.6 | January 2007 |
| GE17 | Landfill Gas | 1.6 | January 2007 |
| GE18 | Landfill Gas | 1.6 | January 2007 |
| GEN1 | Landfill Gas | 0.8 | March 1996 |
| GEN2 | Landfill Gas | 0.8 | March 1996 |
| GEN3 | Landfill Gas | 0.8 | March 1996 |
| GEN4 | Landfill Gas | 0.8 | August 1996 |
| GEN5 | Landfill Gas | 0.8 | August 1996 |
| GEN6 | Landfill Gas | 0.8 | June 1997 |
| GEN7 | Landfill Gas | 0.8 | June 1997 |
| GEN8 | Landfill Gas | 0.8 | August 1998 |
| GEN9 | Landfill Gas | 0.8 | August 1998 |
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 Seneca Energy II 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 Seneca Energy
More plants operated by Seneca Energy II
Questions about Seneca Energy
How much power does Seneca Energy produce?
Seneca Energy reported 47,835 MWh (47.8 GWh) of net generation in 2025, a 31.0% capacity factor on 17.6 MW of nameplate capacity. From January to July 2026 it reported 10.5 GWh, which is provisional.
Where is Seneca Energy?
Seneca Energy is in Seneca County, New York, at 42.9281, −76.8408. It is in the New York Independent System Operator balancing area (NYIS).
Who operates Seneca Energy?
EIA-860M for August 2026 lists Seneca Energy II as the operator (EIA operator ID 17283). The operator is not always the owner.
When did Seneca Energy start operating?
Its first generator began operating in March 1996, according to EIA-860M.
Does InfraMap have power prices for Seneca Energy?
Yes. InfraMap has NYISO day-ahead and real-time prices at 1 price node linked to Seneca Energy, 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)
- NYISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page