MM Lopez Energy
Landfill gas power plant in Los Angeles County, California. 3 MW of nameplate capacity across 1 generator, operated by MM Lopez Energy LLC.
Also known as EIA plant 55161
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- December 1998First generator online
- Operator
- MM Lopez Energy LLCEIA operator ID 57232
- Grid
- CAISOBalancing authority CISO
- Price nodes
- None linkedNo verified ISO node
- Location
- Los Angeles County, CA34.2925, −118.3894
- EIA plant ID
- 55161EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power MM Lopez Energy produces
Free · EIA-923Net generation, 2025
25.8 GWh
25,766 MWh, final
Capacity factor, 2025
98.0%
2024: 96.7%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
20.3–42.0
GWh a year. Low 2018, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 43,993 | Not reported | 12 of 12 |
| 2002 | 42,472 | Not reported | 12 of 12 |
| 2003 | 37,116 | Not reported | 12 of 12 |
| 2004 | 46,127 | Not reported | 12 of 12 |
| 2005 | 48,951 | Not reported | 12 of 12 |
| 2006 | 47,946 | Not reported | 12 of 12 |
| 2007 | 48,610 | Not reported | 12 of 12 |
| 2008 | 47,188 | Not reported | 12 of 12 |
| 2009 | 47,475 | Not reported | 12 of 12 |
| 2010 | 46,625 | 88.7% | 12 of 12 |
| 2011 | 45,776 | 87.1% | 12 of 12 |
| 2012 | 44,558 | 84.5% | 12 of 12 |
| 2013 | 46,026 | 87.6% | 12 of 12 |
| 2014 | 45,758 | 87.1% | 12 of 12 |
| 2015 | 42,027 | 80.0% | 12 of 12 |
| 2016 | 39,949 | 75.8% | 12 of 12 |
| 2017 | 23,438 | 89.2% | 12 of 12 |
| 2018 | 20,263 | 77.1% | 12 of 12 |
| 2019 | 22,541 | 85.8% | 12 of 12 |
| 2020 | 24,236 | 92.0% | 12 of 12 |
| 2021 | 25,837 | 98.3% | 12 of 12 |
| 2022 | 26,551 | 101.0% | 12 of 12 |
| 2023 | 26,372 | 100.4% | 12 of 12 |
| 2024 | 25,476 | 96.7% | 12 of 12 |
| 2025 | 25,766 | 98.0% | 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 |
|---|---|---|---|
| UNT1 | Landfill Gas | 3.0 | December 1998 |
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 MM Lopez 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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Questions about MM Lopez Energy
How much power does MM Lopez Energy produce?
MM Lopez Energy reported 25,766 MWh (25.8 GWh) of net generation in 2025, a 98.0% capacity factor on 3 MW of nameplate capacity.
Where is MM Lopez Energy?
MM Lopez Energy is in Los Angeles County, California, at 34.2925, −118.3894. It is in the California Independent System Operator balancing area (CISO).
Who operates MM Lopez Energy?
EIA-860M for August 2026 lists MM Lopez Energy LLC as the operator (EIA operator ID 57232). The operator is not always the owner.
When did MM Lopez Energy start operating?
Its first generator began operating in December 1998, 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