Plains End II LLC
Natural gas power plant in Jefferson County, Colorado. 117.6 MW of nameplate capacity across 14 generators, operated by Plains End Operating Services LLC.
Also known as EIA plant 56516
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 117.6 MWNameplate
- Generators
- 14 operatingEIA-860M, August 2026
- Operating since
- May 2008First generator online
- Operator
- Plains End Operating Services LLCEIA operator ID 15142
- Grid
- PSCOBalancing authority PSCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Jefferson County, CO39.8586, −105.2256
- EIA plant ID
- 56516EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Plains End II produces
Free · EIA-923Net generation, 2025
18.8 GWh
18,813 MWh, final
Capacity factor, 2025
1.8%
2024: 1.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
6.4–37.9
GWh a year. Low 2019, high 2015
| 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 | 209,726 | Not reported | 12 of 12 |
| 2009 | 186,973 | Not reported | 12 of 12 |
| 2010 | 152,898 | 14.8% | 12 of 12 |
| 2011 | 153,775 | 14.9% | 12 of 12 |
| 2012 | 73,864 | 7.2% | 12 of 12 |
| 2013 | 107,809 | 10.5% | 12 of 12 |
| 2014 | 59,623 | 5.8% | 12 of 12 |
| 2015 | 37,931 | 3.7% | 12 of 12 |
| 2016 | 15,041 | 1.5% | 12 of 12 |
| 2017 | 9,647 | 0.9% | 12 of 12 |
| 2018 | 10,611 | 1.0% | 12 of 12 |
| 2019 | 6,413 | 0.6% | 12 of 12 |
| 2020 | 8,612 | 0.8% | 12 of 12 |
| 2021 | 12,836 | 1.2% | 12 of 12 |
| 2022 | 28,938 | 2.8% | 12 of 12 |
| 2023 | 19,914 | 1.9% | 12 of 12 |
| 2024 | 10,282 | 1.0% | 12 of 12 |
| 2025 | 18,813 | 1.8% | 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 |
|---|---|---|---|
| 2G01 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G02 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G03 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G04 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G05 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G06 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G07 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G08 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G09 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G10 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G11 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G12 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G13 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
| 2G14 | Natural Gas Internal Combustion Engine | 8.4 | May 2008 |
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 Plains End Operating Services 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 Plains End II
More plants operated by Plains End Operating Services LLC
Questions about Plains End II
How much power does Plains End II LLC produce?
Plains End II LLC reported 18,813 MWh (18.8 GWh) of net generation in 2025, a 1.8% capacity factor on 117.6 MW of nameplate capacity.
Where is Plains End II LLC?
Plains End II LLC is in Jefferson County, Colorado, at 39.8586, −105.2256. It is in the Public Service Company of Colorado balancing area (PSCO).
Who operates Plains End II LLC?
EIA-860M for August 2026 lists Plains End Operating Services LLC as the operator (EIA operator ID 15142). The operator is not always the owner.
When did Plains End II LLC start operating?
Its first generator began operating in May 2008, 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