Massena Energy Facility
Natural gas power plant in St Lawrence County, New York. 102.1 MW of nameplate capacity across 2 generators, operated by Power City Partners LP.
Also known as EIA plant 54592
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 102.1 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- July 1992First generator online
- Operator
- Power City Partners LPEIA operator ID 15253
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- 1 NYISO nodeResource nodes with prices
- Location
- St Lawrence County, NY44.9503, −74.8928
- EIA plant ID
- 54592EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Massena Energy Facility produces
Free · EIA-923Net generation, 2025
43.0 GWh
43,044 MWh, final
Capacity factor, 2025
4.7%
2024: 1.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
0.5–43.0
GWh a year. Low 2022, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 39,213 | Not reported | 12 of 12 |
| 2001 | 42,727 | Not reported | 12 of 12 |
| 2002 | 42,167 | Not reported | 12 of 12 |
| 2003 | 13,835 | Not reported | 11 of 12 |
| 2004 | 3,289 | Not reported | 12 of 12 |
| 2005 | 25,569 | Not reported | 12 of 12 |
| 2006 | 1,172 | Not reported | 12 of 12 |
| 2007 | 12,724 | Not reported | 12 of 12 |
| 2008 | 3,611 | Not reported | 12 of 12 |
| 2009 | 1,358 | Not reported | 12 of 12 |
| 2010 | 5,816 | 0.6% | 12 of 12 |
| 2011 | 3,617 | 0.4% | 12 of 12 |
| 2012 | 6,489 | 0.7% | 12 of 12 |
| 2013 | 3,555 | Not reported | 12 of 12 |
| 2014 | 1,682 | 0.2% | 12 of 12 |
| 2015 | 3,157 | 0.3% | 12 of 12 |
| 2016 | 3,909 | 0.4% | 12 of 12 |
| 2017 | 4,976 | 0.5% | 12 of 12 |
| 2018 | 1,690 | 0.2% | 12 of 12 |
| 2019 | 1,481 | 0.2% | 12 of 12 |
| 2020 | 1,271 | 0.1% | 12 of 12 |
| 2021 | 17,347 | 1.9% | 12 of 12 |
| 2022 | 547 | 0.1% | 12 of 12 |
| 2023 | 21,868 | 2.4% | 12 of 12 |
| 2024 | 12,184 | 1.3% | 12 of 12 |
| 2025 | 43,044 | 4.7% | 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
22,503
US short tons. 2024: 6,358
SO₂, 2025
0
US short tons
NOx, 2025
7
US short tons
CO₂ per MWh, calculated
0.52 t
About 1,046 lb per MWh
1 of 1 EPA units reported CO₂ in 2025 (1), matched to EIA plant 54592 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 |
|---|---|---|---|
| GEN1 | Natural Gas Fired Combined Cycle | 66.5 | July 1992 |
| GEN2 | Natural Gas Fired Combined Cycle | 35.6 | July 1992 |
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 Power City Partners 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 Massena Energy Facility
How much power does Massena Energy Facility produce?
Massena Energy Facility reported 43,044 MWh (43.0 GWh) of net generation in 2025, a 4.7% capacity factor on 102.1 MW of nameplate capacity.
Where is Massena Energy Facility?
Massena Energy Facility is in St Lawrence County, New York, at 44.9503, −74.8928. It is in the New York Independent System Operator balancing area (NYIS).
Who operates Massena Energy Facility?
EIA-860M for August 2026 lists Power City Partners LP as the operator (EIA operator ID 15253). The operator is not always the owner.
When did Massena Energy Facility start operating?
Its first generator began operating in July 1992, according to EIA-860M.
Does InfraMap have power prices for Massena Energy Facility?
Yes. InfraMap has NYISO day-ahead and real-time prices at 1 price node linked to Massena Energy 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
- 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