Plains End II LLC
Jefferson County, Colorado · EIA plant ID 56516 · Operator: Plains End Operating Services LLC
Nameplate118MWSummer 111 MW
Generators14in service
Net generation19GWh12 mo to Dec 2025
Capacity factor2%gas/coal/oil units, summer MW
Heat rate8,951Btu/kWhfossil units, electric fuel, HHV
First online2008Runs as rarely runs
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2008 | 209.7 | 30.7% | 8,822 |
| 2009 | 187 | 18.4% | 8,953 |
| 2010 | 152.9 | 15.0% | 9,454 |
| 2011 | 153.8 | 15.1% | 9,370 |
| 2012 | 73.9 | 7.2% | 9,585 |
| 2013 | 107.8 | 10.6% | 9,479 |
| 2014 | 59.6 | 5.9% | 9,567 |
| 2015 | 37.9 | 3.7% | 9,553 |
| 2016 | 15 | 1.5% | 9,594 |
| 2017 | 9.6 | 0.9% | 9,539 |
| 2018 | 10.6 | 1.0% | 9,023 |
| 2019 | 6.4 | 0.6% | 9,250 |
| 2020 | 8.6 | 0.8% | 8,211 |
| 2021 | 12.8 | 1.3% | 9,352 |
| 2022 | 28.9 | 2.8% | 9,460 |
| 2023 | 19.9 | 2.2% | 9,579 |
| 2024 | 10.3 | 1.1% | 9,225 |
| 2025 | 18.8 | 1.9% | 8,951 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 2G01 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G02 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G03 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G04 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G05 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G06 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G07 | Natural Gas Internal Combustion Engine | IC | 8.4 | 7.4 | May 2008 | Operating | — | coming soon |
| 2G08 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G09 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G10 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G11 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G12 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G13 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
| 2G14 | Natural Gas Internal Combustion Engine | IC | 8.4 | 8 | May 2008 | Operating | — | coming soon |
Owner / operator
Operator: Plains End Operating Services LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Plains End Operating Services LLC | 100.0% | 118 MW |
Nearby plants
Within 80 km.
| Plains End | 114 MW | 0.1 km |
| Jeffco Community Solar Gardens LLC | 1 MW | 6.5 km |
| Colorado Energy Nations Company | 35 MW | 10.9 km |
| Gross Hydro Plant | 8 MW | 14.8 km |
| University of Colorado | 33 MW | 17 km |
| Mtn. Solar 4 (CSG) | 2 MW | 17.5 km |