MacArthur Waste to Energy Facility
Municipal solid waste power plant in Suffolk County, New York. 12.5 MW of nameplate capacity across 1 generator, operated by Reworld MacArthur Renewable Energy.
Also known as EIA plant 51038
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 12.5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- March 1990First generator online
- Operator
- Reworld MacArthur Renewable EnergyEIA operator ID 56601
- Grid
- NYISOBalancing authority NYIS
- Price nodes
- 1 NYISO nodeResource nodes with prices
- Location
- Suffolk County, NY40.7869, −73.1064
- EIA plant ID
- 51038EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power MacArthur Waste to Energy Facility produces
Free · EIA-923Net generation, 2025
54.6 GWh
54,551 MWh, final
Capacity factor, 2025
49.8%
2024: 48.8%
January to July 2026
28.8 GWh
Provisional
Range, 2015 to 2025
42.6–57.4
GWh a year. Low 2021, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 51,757 | Not reported | 12 of 12 |
| 2002 | 45,933 | Not reported | 12 of 12 |
| 2003 | 37,918 | Not reported | 9 of 12 |
| 2004 | 49,011 | Not reported | 12 of 12 |
| 2005 | 53,502 | Not reported | 12 of 12 |
| 2006 | 54,834 | Not reported | 12 of 12 |
| 2007 | 57,000 | Not reported | 12 of 12 |
| 2008 | 4,030 | Not reported | 1 of 12 |
| 2009 | 51,567 | Not reported | 12 of 12 |
| 2010 | 54,301 | 49.6% | 12 of 12 |
| 2011 | 53,794 | 49.1% | 12 of 12 |
| 2012 | 55,765 | 50.8% | 12 of 12 |
| 2013 | 55,411 | 50.6% | 12 of 12 |
| 2014 | 51,176 | 46.7% | 12 of 12 |
| 2015 | 54,626 | 49.9% | 12 of 12 |
| 2016 | 57,414 | 52.3% | 12 of 12 |
| 2017 | 55,805 | 51.0% | 12 of 12 |
| 2018 | 55,727 | 50.9% | 12 of 12 |
| 2019 | 50,399 | 46.0% | 12 of 12 |
| 2020 | 55,121 | 50.2% | 12 of 12 |
| 2021 | 42,608 | 38.9% | 12 of 12 |
| 2022 | 51,751 | 47.3% | 12 of 12 |
| 2023 | 54,219 | 49.5% | 12 of 12 |
| 2024 | 53,535 | 48.8% | 12 of 12 |
| 2025 | 54,551 | 49.8% | 12 of 12 |
| 2026 (provisional, partial year) | 28,807 | 45.3% | 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 |
|---|---|---|---|
| GEN1 | Municipal Solid Waste | 12.5 | March 1990 |
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 Reworld MacArthur Renewable Energy 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 MacArthur Waste to Energy Facility
How much power does MacArthur Waste to Energy Facility produce?
MacArthur Waste to Energy Facility reported 54,551 MWh (54.6 GWh) of net generation in 2025, a 49.8% capacity factor on 12.5 MW of nameplate capacity. From January to July 2026 it reported 28.8 GWh, which is provisional.
Where is MacArthur Waste to Energy Facility?
MacArthur Waste to Energy Facility is in Suffolk County, New York, at 40.7869, −73.1064. It is in the New York Independent System Operator balancing area (NYIS).
Who operates MacArthur Waste to Energy Facility?
EIA-860M for August 2026 lists Reworld MacArthur Renewable Energy as the operator (EIA operator ID 56601). The operator is not always the owner.
When did MacArthur Waste to Energy Facility start operating?
Its first generator began operating in March 1990, according to EIA-860M.
Does InfraMap have power prices for MacArthur Waste to Energy Facility?
Yes. InfraMap has NYISO day-ahead and real-time prices at 1 price node linked to MacArthur Waste to 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)
- 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