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1582.6 MW Batteries (125 MW) + Conventional Steam Coal (464 MW) + Natural Gas Fired Combustion Turbine (981 MW) + Solar Photovoltaic (13 MW) operating in Mercer, KY — Louisville Gas and Electric Company and Kentucky Utilities Company
1,582.6 MW
Nameplate Capacity
10
Generators
units
Hybrid (4)
Technology
Batteries + Conventional Steam Coal + Natural Gas Fired Combustion Turbine + Solar Photovoltaic
1971
Operating Since
Coordinates
37.7883, -84.7126
County
Mercer, KY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Kentucky Utilities Co | Kentucky Utilities | — |
| Owner(s) | Kentucky Utilities Co, Louisville Gas & Electric Co | PPL | — |
| Status | Operating | operating | — |
The E. W. Brown Generating Station is a quad coal-fired power plant, natural gas power plant, solar power plant, and hydro electric plant owned and operated by Kentucky Utilities near Harrodsburg in Mercer County, Kentucky.
Read more on WikipediaThe E W Brown power plant is located in Mercer County, Kentucky. The plant, owned by PPL and operated by Kentucky Utilities Co, has a total capacity of 1582.6 MW across 10 generators. It is a hybrid facility utilizing multiple technologies including batteries, conventional steam coal, natural gas-fired combustion turbines, and solar photovoltaic. The primary fuel source is natural gas. The plant began operating in 1971.
E W Brown operates within the Louisville Gas and Electric Company and Kentucky Utilities Company balancing authority and the SERC NERC region. The plant is ranked 3rd out of 12 power plants in Kentucky and 54th out of 945 nationally. The latest annual generation was 1,626,548 MWh, resulting in a capacity factor of 11.7%. Financial data is available for the plant, sourced from lbnl_solar. The solar photovoltaic portion of the plant uses a fixed tilt tracking system.
Generated from EIA, GEM, and public data sources
Grid Region
Southeast
Market
SEEM Participant
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
166.9K MWh
Latest Month
1.6M MWh
Annual Generation
11.7%
Capacity Factor
CO₂ Intensity
2412 lb/MWh
NOx
0.551 lb/MWh
SO₂
0.750 lb/MWh
CH₄
0.265 lb/MWh
N₂O
0.038 lb/MWh
Capacity Factor
7.6%
Annual Net Gen
964 GWh
CO₂eq
2429 lb/MWh
Subregion
SERC Tennessee Valley
Data from 2016
$91.5/MWh
LCOE
This plant's balancing authority participates in the Southeast Energy Exchange Market (SEEM). SEEM is a bilateral exchange — no public nodal pricing.
Last updated 2026-03-14
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