Corning
Adams County, Iowa · EIA plant ID 1134 · Operator: City of Corning - (IA)
Nameplate7MWSummer 7 MW
Generators3in service
Net generation0GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate11,667Btu/kWhfossil units, electric fuel, HHV
First online1975Runs 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 | 0.1 | 0.2% | 9,372 |
| 2003 | 0.3 | 0.5% | 8,317 |
| 2004 | 0.1 | 0.2% | 12,402 |
| 2005 | 0.1 | 0.2% | 11,976 |
| 2006 | 0.1 | 0.1% | 11,420 |
| 2007 | 0.1 | 0.1% | 10,240 |
| 2008 | 0 | 0.0% | 19,692 |
| 2009 | 0 | 0.0% | 12,750 |
| 2010 | 0.1 | 0.1% | 11,373 |
| 2011 | 0.1 | 0.1% | 11,062 |
| 2012 | 0 | 0.0% | 12,625 |
| 2013 | 0 | 0.0% | 13,000 |
| 2014 | 0 | 0.1% | 10,839 |
| 2015 | 0 | 0.0% | 10,846 |
| 2016 | 0 | 0.0% | 11,250 |
| 2017 | 0 | 0.0% | 17,500 |
| 2018 | 0 | 0.0% | 11,000 |
| 2019 | 0 | 0.0% | 11,714 |
| 2020 | 0.1 | 0.1% | 11,658 |
| 2021 | 0.1 | 0.1% | — |
| 2022 | 0 | 0.0% | 10,440 |
| 2023 | 0 | 0.1% | 11,158 |
| 2024 | 0.1 | 0.1% | 13,647 |
| 2025 | 0 | 0.0% | 11,667 |
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 | 2.8 | 2.8 | Jun 1975 | Operating (Standby / backup) | — | coming soon |
| 6 | Petroleum Liquids | IC | 2 | 2 | Mar 2006 | Operating (Standby / backup) | — | coming soon |
| 7 | Petroleum Liquids | IC | 2 | 2 | Mar 2006 | Operating (Standby / backup) | — | coming soon |
| 1 | Petroleum Liquids | IC | 0.6 | 0.6 | Jul 1945 | Retired Mar 2006 | — | coming soon |
| 2 | Petroleum Liquids | IC | 0.9 | 0.9 | Jul 1950 | Retired Mar 2006 | — | coming soon |
| 3 | Petroleum Liquids | IC | 1.3 | 1.3 | Jul 1955 | Retired Mar 2006 | — | coming soon |
| 4 | Petroleum Liquids | IC | 0.4 | 0.4 | Jul 1938 | Retired Mar 2006 | — | coming soon |
Owner / operator
Operator: City of Corning - (IA). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Corning - (IA) | 100.0% | 7 MW |
Nearby plants
Within 80 km.
| POET Biorefining LLC - Corning | 5 MW | 5.6 km |
| Adams Wind | 154 MW | 9.2 km |
| Prescott Wind Farm | 39 MW | 18.5 km |
| Lenox | 6 MW | 19 km |
| Villisca Municipal Power Plant | 4 MW | 21.9 km |
| Rolling Hills Wind Farm | 484 MW | 23.6 km |