Mill Creek (KY)
Jefferson County, Kentucky · EIA plant ID 1364 · Operator: Louisville Gas & Electric Co
740 MW under construction (Natural Gas Fired Combined Cycle), first expected Jun 2027 · EIA-860M
×356 MW coal retired since 2020 (latest Dec 2024)
Nameplate1,362MWSummer 1,165 MW
Generators3in service · 740 MW building
Net generation7,407GWh12 mo to Aug 2026
Capacity factor73%gas/coal/oil units, summer MW
Heat rate10,461Btu/kWhfossil units, electric fuel, HHV
First online1974Runs as baseload
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 | 8,882.4 | 69.0% | 10,624 |
| 2002 | 9,075.6 | 69.8% | 10,615 |
| 2003 | 9,349 | 72.5% | 10,563 |
| 2004 | 9,587.1 | 74.2% | 10,516 |
| 2005 | 10,115.2 | 78.4% | 10,492 |
| 2006 | 9,804.9 | 76.0% | 10,554 |
| 2007 | 10,498.1 | 81.4% | 10,610 |
| 2008 | 10,416.1 | 80.6% | 10,580 |
| 2009 | 10,374.4 | 80.5% | 10,532 |
| 2010 | 10,373.6 | 80.5% | 10,679 |
| 2011 | 9,061.6 | 70.3% | 10,718 |
| 2012 | 8,361.2 | 64.7% | 10,632 |
| 2013 | 8,286.9 | 64.3% | 10,674 |
| 2014 | 8,715.1 | 67.6% | 10,674 |
| 2015 | 7,935.2 | 61.8% | 10,576 |
| 2016 | 7,930.4 | 61.6% | 10,627 |
| 2017 | 8,862.7 | 69.1% | 10,584 |
| 2018 | 8,639.8 | 67.3% | 10,604 |
| 2019 | 8,258.1 | 64.3% | 10,600 |
| 2020 | 6,648 | 51.7% | 10,526 |
| 2021 | 7,403.8 | 57.7% | 10,503 |
| 2022 | 7,312 | 57.0% | 10,386 |
| 2023 | 7,540.6 | 58.8% | 10,291 |
| 2024 | 6,930.3 | 54.8% | 10,349 |
| 2025 | 7,183.3 | 70.4% | 10,477 |
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 |
|---|---|---|---|---|---|---|---|---|
| 2 | Conventional Steam Coal | ST | 355.5 | 297 | Jul 1974 | Operating | — | coming soon |
| 3 | Conventional Steam Coal | ST | 462.6 | 391 | Aug 1978 | Operating | — | coming soon |
| 4 | Conventional Steam Coal | ST | 543.6 | 477 | Sep 1982 | Operating | — | coming soon |
| 5 | Natural Gas Fired Combined Cycle | CS | 740 | 645 | planned Jun 2027 | Under construction | — | coming soon |
| 1 | Conventional Steam Coal | ST | 355.5 | 300 | Aug 1972 | Retired Dec 2024 | — | coming soon |
Owner / operator
Operator: Louisville Gas & Electric Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Louisville Gas & Electric Co | 100.0% | 1,362 MW |
Nearby plants
Within 80 km.
| Cane Run | 807 MW | 14.6 km |
| Paddys Run | 211 MW | 19.9 km |
| R Gallagher | retired | 24.3 km |
| Lanesville Solar RES | 1 MW | 25.3 km |
| Ohio Falls | 110 MW | 28.1 km |
| Zorn | retired | 31.2 km |