Spencer Gas Turbine
Clay County, Iowa · EIA plant ID 1186 · Operator: City of Spencer - (IA)
Nameplate24MWSummer 17 MW
Generators1in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate16,721Btu/kWhfossil units, electric fuel, HHV
First online1970Runs 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) |
|---|---|---|---|
| 2001 | 0.1 | 0.1% | 22,356 |
| 2002 | 0.1 | 0.1% | 19,780 |
| 2003 | 0.3 | 0.2% | 20,476 |
| 2004 | 0.6 | 0.4% | 20,216 |
| 2005 | 0.3 | 0.2% | 20,500 |
| 2006 | 0.1 | 0.0% | 18,197 |
| 2007 | 0 | 0.0% | 22,041 |
| 2008 | 0.1 | 0.1% | — |
| 2009 | 0 | 0.0% | 18,471 |
| 2010 | 0 | 0.0% | 20,844 |
| 2011 | 0.1 | 0.0% | 24,516 |
| 2012 | 0 | 0.0% | 20,217 |
| 2013 | 0 | 0.0% | — |
| 2014 | 0.2 | 0.1% | 21,982 |
| 2015 | 0 | 0.0% | — |
| 2016 | 0.1 | 0.0% | 17,709 |
| 2017 | 0.1 | 0.0% | 12,078 |
| 2018 | 0.2 | 0.1% | 18,556 |
| 2019 | 0.4 | 0.2% | 18,621 |
| 2020 | 0 | 0.0% | 18,261 |
| 2021 | 0 | 0.0% | — |
| 2022 | 0.8 | 0.5% | 18,243 |
| 2023 | 1.2 | 0.8% | 18,225 |
| 2024 | 0.7 | 0.4% | — |
| 2025 | 0.1 | 0.1% | 16,721 |
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 |
|---|---|---|---|---|---|---|---|---|
| GT1 | Petroleum Liquids | GT | 23.8 | 17 | Jan 1970 | Operating | — | coming soon |
Owner / operator
Operator: City of Spencer - (IA). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Spencer - (IA) | 100.0% | 24 MW |
Nearby plants
Within 80 km.
| Earl F Wisdom | 119 MW | 9.3 km |
| Upland Prairie | 299 MW | 18 km |
| Milford | 7 MW | 20.2 km |
| Crosswind Energy Project | 21 MW | 21 km |
| Lost Lakes Wind Farm LLC | 100 MW | 26.6 km |
| Flying Cloud Power Partners LLC | 44 MW | 30 km |