Darby Generating Station
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Darby Generating Station is a 480 megawatt ( MW),
natural gas Natural gas (also fossil gas, methane gas, and gas) is a naturally occurring compound of gaseous hydrocarbons, primarily methane (95%), small amounts of higher alkanes, and traces of carbon dioxide and nitrogen, hydrogen sulfide and helium ...
peaker plant Peaking power plants, also known as peaker plants, and occasionally just "peakers", are power plants that generally run only when there is a high demand, known as peak demand, for electricity. Because they supply power only occasionally, the powe ...
located in Darby Township, Pickaway County near
Mount Sterling, Ohio Mount Sterling is a village in Madison County, Ohio, United States. The population was 1,945 at the 2020 census. It is a part of the Columbus, Ohio Metropolitan Statistical Area. History Mount Sterling was laid out in 1826 or 1828 by John J. ...
. The plant is currently owned by Lightstone Generation LLC, a 50-50 joint venture of
The Blackstone Group Blackstone Inc. is an American alternative investment management company based in New York City. It was founded in 1985 as a mergers and acquisitions firm by Peter G. Peterson, Peter Peterson and Stephen A. Schwarzman, Stephen Schwarzman, who h ...
and ArcLight Capital Partners. The plant has six units and began operations in 2001.


Background

The project was first announced in 1999 by
Dayton Power & Light DPL Inc. (aka DP&L Inc.) is a subsidiary of AES Corporation. Through its subsidiary AES Ohio (formerly The Dayton Power and Light Company, and DPL Energy Resources), DP&L sells to, and generates electricity for, a customer base of over 500,000 pe ...
(DP&L) to address projected electricity shortages. The first four units of Darby began operations in 2001 with Units 5 and 6 beginning the following year at a cost of $55 million. The total cost of the project was estimated to be at $183 million. The peaker plant is connected by a 345kV
power line An overhead power line is a structure used in electric power transmission and Electric power distribution, distribution to transmit electrical energy along large distances. It consists of one or more electrical conductor, conductors (commonly mu ...
originating from the former J.M. Stuart Station located in
Adams County, Ohio Adams County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 27,477. Its county seat and largest village is West Union. The county is named after John Adams, the second President of the United States. Geogr ...
. In 2007, DP&L sold Darby to
American Electric Power American Electric Power Company, Inc. (AEP), (railcar reporting mark: AEPX) is an American domestic electric utility company in the United States. It is one of the largest electric utility companies in the country, with more than five mi ...
(AEP) for $102 million. AEP would later sell Darby as a part of $2.17 billion deal to The Blackstone Group and ArcLight Capital Partners in 2016.


See also

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List of power stations in Ohio This is a list of electricity-generating power stations in the U.S. state of Ohio, sorted by type and name. In 2022, Ohio had a total summer capacity of 27,447 MW and a net generation of 135,810 GWh. In 2023, the electrical energy g ...


References

Energy infrastructure completed in 2001 Energy infrastructure completed in 2002 Buildings and structures in Pickaway County, Ohio Natural gas-fired power stations in Ohio 2001 establishments in Ohio {{US-powerstation-stub