Holly
Prowers County, Colorado · EIA plant ID 502 · Operator: Town of Holly - (CO)
Nameplate3MWSummer 3 MW
Generators3in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate8,500Btu/kWhfossil units, electric fuel, HHV
First online1993Runs 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) |
|---|---|---|---|
| 2002 | 0 | — | — |
| 2003 | 0 | 0.1% | 11,688 |
| 2004 | 0 | 0.1% | 8,252 |
| 2005 | 0 | 0.1% | 10,236 |
| 2006 | 0.1 | 0.5% | 7,343 |
| 2007 | 0.1 | 0.6% | 9,240 |
| 2008 | 0.1 | 0.2% | 7,860 |
| 2009 | 0 | 0.0% | — |
| 2010 | 0 | 0.0% | 26,571 |
| 2011 | 0 | 0.1% | 8,786 |
| 2012 | 0 | 0.1% | 13,500 |
| 2013 | 0 | 0.0% | 9,667 |
| 2014 | 0 | 0.0% | 12,000 |
| 2015 | 0 | 0.1% | 13,227 |
| 2016 | 0 | 0.0% | — |
| 2017 | 0 | 0.1% | 19,412 |
| 2018 | 0 | 0.1% | 17,818 |
| 2019 | 0 | 0.0% | 17,800 |
| 2020 | 0 | 0.0% | — |
| 2021 | 0 | 0.1% | 11,020 |
| 2022 | 0 | 0.0% | 11,143 |
| 2023 | 0 | 0.1% | 10,550 |
| 2024 | 0 | 0.0% | 12,000 |
| 2025 | 0 | 0.0% | 8,500 |
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 |
|---|---|---|---|---|---|---|---|---|
| 5 | Petroleum Liquids | IC | 0.4 | 0.3 | Jun 2000 | Operating (Standby / backup) | — | coming soon |
| CAT | Petroleum Liquids | IC | 1.8 | 1.8 | Sep 2007 | Operating (Standby / backup) | — | coming soon |
| EMD | Petroleum Liquids | IC | 0.7 | 0.7 | Jan 1993 | Operating (Standby / backup) | — | coming soon |
| 4 | Petroleum Liquids | IC | 0.7 | 0.7 | Jan 1993 | not_current | — | coming soon |
| 1 | Natural Gas Internal Combustion Engine | IC | 0.2 | 0.2 | — | Retired Dec 2002 | — | coming soon |
| 2 | Natural Gas Internal Combustion Engine | IC | 0.2 | 0.2 | — | Retired Dec 2002 | — | coming soon |
| ARPA | Petroleum Liquids | IC | 2.2 | 2 | Sep 2002 | Retired Oct 2006 | — | coming soon |
Owner / operator
Operator: Town of Holly - (CO). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Arkansas River Power Authority | 54.0% | 2 MW |
| Town of Holly - (CO) | 46.0% | 1 MW |
Nearby plants
Within 80 km.
| Lamar Plant | 8 MW | 40.7 km |
| Lamar Solar | — | 45.4 km |
| Twin Buttes II Wind | 75 MW | 50.5 km |
| Johnson | 6 MW | 59 km |
| Johnson Corner Solar 1 | 20 MW | 59.1 km |
| Colorado Green Holdings LLC | 162 MW | 60.6 km |