East Hampton
Oil power plant in Suffolk County, New York. 27.3 MW of nameplate capacity across 4 generators, operated by National Grid Generation LLC.
Also known as East Hampton Diesels & Gas Turbine · EIA plant 2512
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 27.3 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- December 1962First generator online
- Operator
- National Grid Generation LLCEIA operator ID 56505
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- 2 NYISO nodesResource nodes with prices
- Location
- Suffolk County, NY40.9617, −72.2103
- EIA plant ID
- 2512EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power East Hampton produces
Free · EIA-923Net generation, 2025
10.9 GWh
10,865 MWh, final
Capacity factor, 2025
4.5%
2024: 4.8%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
7.6–16.0
GWh a year. Low 2017, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 17,950 | Not reported | 12 of 12 |
| 2001 | 14,258 | Not reported | 12 of 12 |
| 2002 | 38,399 | Not reported | 12 of 12 |
| 2003 | 20,355 | Not reported | 11 of 12 |
| 2004 | 5,748 | Not reported | 11 of 12 |
| 2005 | 6,333 | Not reported | 12 of 12 |
| 2006 | 8,795 | Not reported | 12 of 12 |
| 2007 | 18,742 | Not reported | 12 of 12 |
| 2008 | 22,980 | Not reported | 12 of 12 |
| 2009 | 14,871 | Not reported | 12 of 12 |
| 2010 | 14,188 | 5.9% | 12 of 12 |
| 2011 | 9,181 | 3.8% | 12 of 12 |
| 2012 | 7,935 | 3.3% | 12 of 12 |
| 2013 | 8,884 | 3.7% | 12 of 12 |
| 2014 | 6,339 | 2.7% | 12 of 12 |
| 2015 | 10,742 | 4.5% | 12 of 12 |
| 2016 | 12,337 | 5.1% | 12 of 12 |
| 2017 | 7,624 | 3.2% | 12 of 12 |
| 2018 | 13,743 | 5.7% | 12 of 12 |
| 2019 | 14,463 | 6.0% | 12 of 12 |
| 2020 | 16,000 | 6.7% | 12 of 12 |
| 2021 | 12,986 | 5.4% | 12 of 12 |
| 2022 | 14,813 | 6.2% | 12 of 12 |
| 2023 | 12,201 | 5.1% | 12 of 12 |
| 2024 | 11,518 | 4.8% | 12 of 12 |
| 2025 | 10,865 | 4.5% | 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 account · NYISOEmissions
Free · EPA CAMPDCO₂, 2025
12,118
US short tons. 2024: 11,980
SO₂, 2025
Not reported
US short tons
NOx, 2025
17
US short tons
CO₂ per MWh, calculated
1.12 t
About 2,231 lb per MWh
1 of 1 EPA units reported CO₂ in 2025 (UGT001), matched to EIA plant 2512 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, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Petroleum Liquids | 21.3 | December 1970 |
| 2 | Petroleum Liquids | 2.0 | December 1962 |
| 3 | Petroleum Liquids | 2.0 | December 1962 |
| 4 | Petroleum Liquids | 2.0 | December 1962 |
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 National Grid Generation 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 East Hampton
More plants operated by National Grid Generation LLC
Questions about East Hampton
How much power does East Hampton produce?
East Hampton reported 10,865 MWh (10.9 GWh) of net generation in 2025, a 4.5% capacity factor on 27.3 MW of nameplate capacity.
Where is East Hampton?
East Hampton is in Suffolk County, New York, at 40.9617, −72.2103. It is in the New York Independent System Operator balancing area (NYIS).
Who operates East Hampton?
EIA-860M for August 2026 lists National Grid Generation LLC as the operator (EIA operator ID 56505). The operator is not always the owner.
When did East Hampton start operating?
Its first generator began operating in December 1962, according to EIA-860M.
Does InfraMap have power prices for East Hampton?
Yes. InfraMap has NYISO day-ahead and real-time prices at 2 price nodes linked to East Hampton, 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
- NYISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page