Powerton
Tazewell County, Illinois · EIA plant ID 879 · Operator: Midwest Generations EME LLC
Nameplate1,786MWSummer 1,538 MW
Generators2in service
Net generation3,370GWh12 mo to Aug 2026
Capacity factor25%gas/coal/oil units, summer MW
Heat rate11,448Btu/kWhfossil units, electric fuel, HHV
First online1972Runs as peaking
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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 | 7,503 | 55.7% | 11,544 |
| 2002 | 7,618.9 | 56.5% | 10,954 |
| 2003 | 8,241.8 | 61.2% | 10,859 |
| 2004 | 8,898.2 | 65.9% | 11,015 |
| 2005 | 9,469.5 | 70.3% | 10,974 |
| 2006 | 7,642.9 | 56.7% | 10,969 |
| 2007 | 8,261.2 | 61.3% | 10,835 |
| 2008 | 9,194.1 | 68.1% | 10,712 |
| 2009 | 9,334.8 | 69.3% | 10,717 |
| 2010 | 9,013.2 | 66.9% | 10,768 |
| 2011 | 9,184 | 68.2% | 11,006 |
| 2012 | 8,166.6 | 60.5% | 11,264 |
| 2013 | 8,359.1 | 62.0% | 11,025 |
| 2014 | 8,511.4 | 63.2% | 11,110 |
| 2015 | 5,584.8 | 41.4% | 11,171 |
| 2016 | 4,549.3 | 33.7% | 11,742 |
| 2017 | 4,913.8 | 36.5% | 11,922 |
| 2018 | 4,511.8 | 33.5% | 11,793 |
| 2019 | 2,334.8 | 17.3% | 12,152 |
| 2020 | 844.8 | 6.3% | 13,402 |
| 2021 | 2,701.3 | 20.1% | 12,305 |
| 2022 | 5,094.9 | 37.8% | 12,186 |
| 2023 | 1,337.6 | 9.9% | 13,396 |
| 2024 | 2,220.8 | 16.4% | 13,481 |
| 2025 | 3,360.2 | 24.9% | 13,459 |
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 | Conventional Steam Coal | ST | 892.8 | 769 | Sep 1972 | Operating | — | coming soon |
| 6 | Conventional Steam Coal | ST | 892.8 | 769 | Dec 1975 | Operating | — | coming soon |
Owner / operator
Operator: Midwest Generations EME LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Midwest Generations EME LLC | 100.0% | 1,786 MW |
Nearby plants
Within 80 km.
| Cincinnati CSG 1 LLC | — | 3.7 km |
| Cincinnati CSG 2 LLC | — | 3.7 km |
| CED Peoria Solar | 2 MW | 4.5 km |
| E D Edwards | retired | 6.3 km |
| Peoria County IL S2 | 2 MW | 9.1 km |
| Pekin Community High School | 1 MW | 10.1 km |