Petersburg Generating Station is a major coal-fired power plant in
Indiana
Indiana ( ) is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders Lake Michigan to the northwest, Michigan to the north and northeast, Ohio to the east, the Ohio River and Kentucky to the s ...
, rated at 2.146-
GW nameplate capacity. It is located on the
White River near
Petersburg in
Pike County, Indiana
Pike County is a county in the southwest portion of the U.S. state of Indiana. As of the 2020 United States census, the population was 12,250. The county seat is Petersburg. It contains the geographic point representing median center of US po ...
, just upstream from a much smaller coal-fired
Frank E. Ratts Generating Station. Petersburg G.S. is owned and operated by
AES Indiana (formerly known as Indianapolis Power & Light).
Units 1, 2, and 3, rated at 281.6, 523.3, and 670.9
MWe
The watt (symbol: W) is the unit of power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantify the rate of energy transfer. The watt is named in honor o ...
, were launched into operation in 1967, 1969, and 1977 respectively. Unit 4, rated at 670.9 MWe, was launched in 1986. There are also three minor
oil
An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is hydrophobic (does not mix with water) and lipophilic (mixes with other oils). Oils are usually flammable and surface active. Most oils are unsaturate ...
-burning
internal combustion
An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit. In an internal comb ...
units, rated at 2.7 MWe each, all launched in 1967.
The coal is supplied from
Bear Run Coal Mine and Gibson Coal Mine. The station plans to switch to natural gas by 2026. A 200 MW / 800 MWh
grid battery started operating in 2025.
See also
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List of largest power stations in the United States
This article lists the largest List of power stations in the United States, electricity generating stations in the United States in terms of installed Nameplate capacity, electrical capacity. Non-renewable resource, Non-renewable power stations ar ...
*
List of power stations in Indiana
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Global warming
Present-day climate change includes both global warming—the ongoing increase in global average temperature—and its wider effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes ...
References
{{Generating Stations in Indiana
Energy infrastructure completed in 1967
Energy infrastructure completed in 1969
Energy infrastructure completed in 1977
Energy infrastructure completed in 1986
Buildings and structures in Pike County, Indiana
Coal-fired power stations in Indiana