Mill Creek (KY) — Plant Summary
- EIA Plant ID
- 1364
- Capacity
- 2101.7 MW
- Primary Fuel
- Coal
- Technology
- Conventional Steam Coal, Natural Gas Fired Combined Cycle
- Status
- Operating
- Location
- Jefferson, KY
- Operating Since
- 1974
- Generators
- 4
- Operator
- Louisville Gas & Electric Co
- Parent Company
- PPL
- Annual Generation
- 7,183,287 MWh
- Capacity Factor
- 39.0%
- Balancing Authority
- Louisville Gas and Electric Company and Kentucky Utilities Company
- ISO/RTO
- —
- NERC Region
- SERC
Mill Creek (KY)
OperatingBit. CoalNatural GasHybrid
Ranked #3 of 7 Bit. Coal plants in KY#12 of 66 nationally
2101.7 MW Conventional Steam Coal (1362 MW) + Natural Gas Fired Combined Cycle (740 MW) operating in Jefferson, KY — Louisville Gas and Electric Company and Kentucky Utilities Company
EIAWD
2,101.7 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Conventional Steam Coal + Natural Gas Fired Combined Cycle
1974
Operating Since
Location
Coordinates
38.0525, -85.9103
County
Jefferson, KY
Nearby Plants
- Cane RunNatural Gas807 MW · 14.6 km
- Paddys RunNatural Gas210.6 MW · 19.6 km
- Lanesville Solar RESSolar1.1 MW · 25.2 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Louisville Gas & Electric Co | Louisville Gas & Electric | — |
| Owner(s) | Kentucky Utilities Co, Louisville Gas & Electric Co | PPL | — |
| Status | Operating | — | — |
Ownership Chain
About
The Mill Creek Generating Station is a coal-fired power plant owned and operated by Louisville Gas & Electric in the Kosmosdale neighborhood of Louisville, Kentucky. It is located on 544 acres in southwest Louisville, about 20 miles from downtown.
Read more on WikipediaThe Mill Creek power plant, located in Jefferson County, Kentucky, has a total capacity of 2101.7 MW across four generators. The plant began operating in 1974 and is owned by PPL, with Louisville Gas & Electric Co. serving as the operator. The primary fuel source is bituminous coal (BIT), but the plant also utilizes natural gas fired combined cycle technology, classifying it as a hybrid facility. Mill Creek ranks as the second largest power plant out of six in Kentucky, and tenth out of fifty nationally.
The plant operates within the balancing authority of Louisville Gas and Electric Company and Kentucky Utilities Company, and is situated in the SERC NERC region. The latest annual generation data indicates an output of 7,183,287 MWh, resulting in a capacity factor of 39.0%. Financial data is available for Mill Creek, with an installed cost of $1058.11 per kW, sourced from FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Louisville Gas and Electric Company and Kentucky Utilities Company
Grid Voltage
345 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
651.6K MWh
Latest Month
7.2M MWh
Annual Generation
39.0%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$1,667/kW
Installed Cost
$34.6/MWh
Operating Cost
Louisville Gas and Electric Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Regulatory·state puc
New KY energy planner would be exempt from open records law under advancing bill
A taxpayer-funded commission that the legislature is looking to for advice on energy policy would be exempt from Kentucky's Open Records Act...
Kentucky Lantern·3 days ago
Regulatory·federal policy
Without Weighing Costs to Public Health, EPA Rolls Back Air Pollution Standards for Coal Plants
The federal Mercury and Air Toxics Standards for coal and oil-fired power plants were strengthened during the Biden administration.
EPA (regulator)Biden administration (regulator)
Inside Climate News·2 weeks ago
Regulatory·federal policy
From Louisville, EPA eases limits on toxic emissions from coal plants
On a visit to Louisville, the EPA said it is repealing Biden-era regulations on mercury, soot and other harmful pollutants from coal power...
EPA (regulator)Biden (other)
The Courier-Journal·3 weeks ago
Regulatory·federal policy
EPA repeals Biden-era coal rules aimed at limiting brain-harming pollution
The US Environmental Protection Agency (EPA) repealed Biden-era regulations that forced power plants to cut harmful pollutants including...
US Environmental Protection Agency (regulator)EPA (regulator)
The New Lede·3 weeks ago
Last updated 2026-03-14
View all 10 articles