Glenwood
Oil power plant in Nassau County, New York. 110 MW of nameplate capacity across 2 generators, operated by National Grid Generation LLC.
Also known as Glenwood Power Plant · EIA plant 2514
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Key facts
- Capacity
- 110 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- June 1972First generator online
- Operator
- National Grid Generation LLCEIA operator ID 56505
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- 2 NYISO nodesResource nodes with prices
- Location
- Nassau County, NY40.8271, −73.6475
- EIA plant ID
- 2514EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Glenwood produces
Free · EIA-923Net generation, 2025
4.56 GWh
4,559 MWh, final
Capacity factor, 2025
0.5%
2024: 0.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.6–4.6
GWh a year. Low 2023, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 701,560 | Not reported | 12 of 12 |
| 2001 | 816,686 | Not reported | 12 of 12 |
| 2002 | 838,938 | Not reported | 12 of 12 |
| 2003 | 567,746 | Not reported | 12 of 12 |
| 2004 | 408,898 | Not reported | 12 of 12 |
| 2005 | 213,164 | Not reported | 12 of 12 |
| 2006 | 343,183 | Not reported | 12 of 12 |
| 2007 | 212,617 | Not reported | 12 of 12 |
| 2008 | 96,476 | Not reported | 12 of 12 |
| 2009 | 65,981 | Not reported | 12 of 12 |
| 2010 | 154,124 | 5.2% | 12 of 12 |
| 2011 | 271,724 | 9.2% | 12 of 12 |
| 2012 | 155,036 | Not reported | 12 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | 5,016 | 0.5% | 12 of 12 |
| 2015 | 4,615 | 0.5% | 12 of 12 |
| 2016 | 3,097 | 0.3% | 12 of 12 |
| 2017 | 755 | 0.1% | 12 of 12 |
| 2018 | 4,512 | 0.5% | 12 of 12 |
| 2019 | 598 | 0.1% | 12 of 12 |
| 2020 | 1,308 | 0.1% | 12 of 12 |
| 2021 | 4,498 | 0.5% | 12 of 12 |
| 2022 | 2,544 | 0.3% | 12 of 12 |
| 2023 | 568 | 0.1% | 12 of 12 |
| 2024 | 2,566 | 0.3% | 12 of 12 |
| 2025 | 4,559 | 0.5% | 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
6,181
US short tons. 2024: 3,742
SO₂, 2025
0
US short tons
NOx, 2025
19
US short tons
CO₂ per MWh, calculated
1.36 t
About 2,712 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (40, 50, U00020, U00021), matched to EIA plant 2514 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 |
|---|---|---|---|
| GT2 | Petroleum Liquids | 55.0 | June 1972 |
| GT3 | Petroleum Liquids | 55.0 | June 1972 |
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 Glenwood
More plants operated by National Grid Generation LLC
Questions about Glenwood
How much power does Glenwood produce?
Glenwood reported 4,559 MWh (4.56 GWh) of net generation in 2025, a 0.5% capacity factor on 110 MW of nameplate capacity.
Where is Glenwood?
Glenwood is in Nassau County, New York, at 40.8271, −73.6475. It is in the New York Independent System Operator balancing area (NYIS).
Who operates Glenwood?
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 Glenwood start operating?
Its first generator began operating in June 1972, according to EIA-860M.
Does InfraMap have power prices for Glenwood?
Yes. InfraMap has NYISO day-ahead and real-time prices at 2 price nodes linked to Glenwood, 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