Northwest Regional
Landfill gas power plant in Maricopa County, Arizona. 3.2 MW of nameplate capacity across 2 generators, operated by WM Renewable Energy LLC.
Also known as EIA plant 57403
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.2 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- August 2012First generator online
- Operator
- WM Renewable Energy LLCEIA operator ID 54842
- Grid
- AZPSBalancing authority AZPS
- Price nodes
- None linkedNo verified ISO node
- Location
- Maricopa County, AZ33.6819, −112.4767
- EIA plant ID
- 57403EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Northwest Regional produces
Free · EIA-923Net generation, 2025
21.2 GWh
21,236 MWh, final
Capacity factor, 2025
75.8%
2024: 59.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
16.6–23.1
GWh a year. Low 2024, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | 8,222 | Not reported | 5 of 12 |
| 2013 | 24,834 | 88.6% | 12 of 12 |
| 2014 | 23,966 | 85.5% | 12 of 12 |
| 2015 | 23,016 | 82.1% | 12 of 12 |
| 2016 | 22,767 | 81.0% | 12 of 12 |
| 2017 | 19,284 | 68.8% | 12 of 12 |
| 2018 | 23,147 | 82.6% | 12 of 12 |
| 2019 | 21,270 | 75.9% | 12 of 12 |
| 2020 | 21,628 | 76.9% | 12 of 12 |
| 2021 | 19,470 | 69.5% | 12 of 12 |
| 2022 | 18,605 | 66.4% | 12 of 12 |
| 2023 | 17,570 | 62.7% | 12 of 12 |
| 2024 | 16,609 | 59.1% | 12 of 12 |
| 2025 | 21,236 | 75.8% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
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 | Landfill Gas | 1.6 | August 2012 |
| GEN2 | Landfill Gas | 1.6 | August 2012 |
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 WM Renewable Energy 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 Northwest Regional
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Questions about Northwest Regional
How much power does Northwest Regional produce?
Northwest Regional reported 21,236 MWh (21.2 GWh) of net generation in 2025, a 75.8% capacity factor on 3.2 MW of nameplate capacity.
Where is Northwest Regional?
Northwest Regional is in Maricopa County, Arizona, at 33.6819, −112.4767. It is in the Arizona Public Service Company balancing area (AZPS).
Who operates Northwest Regional?
EIA-860M for August 2026 lists WM Renewable Energy LLC as the operator (EIA operator ID 54842). The operator is not always the owner.
When did Northwest Regional start operating?
Its first generator began operating in August 2012, according to EIA-860M.
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)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page