Darby Power, LLC is a natural gas-fired power facility with 564 MW of EIA-reported nameplate capacity in Pickaway County, Ohio, registered as EIA Plant ID 55247. The plant's generating configuration is six natural-gas/oil-fired combustion turbines. Commercial operation began on May 1, 2001. The facility interconnects at ADKINS 13.8 KV at 13.8 kV.

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Overview

Key fields

Reported capacity: 564 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Natural Gas Fired Combustion Turbine
Primary generation technology.
Registry anchor: Plant 55247
Pickaway County · PJM
Operating status: Operating

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Units and generators

Operating generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
GT1	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2001	Operating
GT2	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2001	Operating
GT3	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2001	Operating
GT4	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2001	Operating
GT5	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2002	Operating
GT6	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine Natural Gas · GT	May 2002	Operating

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

1999
1999
Project Development AnnouncedDarby Gener...
Dayton Power & Light announced the Darby project to address projected electricity shortages.
May 2001
May 2001
Generators enter operationEIA-860
EIA-860 lists generator GT1, generator GT2, generator GT3, generator GT4 with this operating date.
May 1, 2001
May 1, 2001
Construction and initial commercial operationSource
Ohio’s gas-generation case-status record lists Darby’s operational date as May 1, 2001. The first four units entered operation in 2001; Industrial Construction is identified as EPC contractor and GE Power as turbine supplier for the six-unit project.
View 3 more milestonesHide 3 milestones
1. May 2002
  May 2002
  Generators enter operationEIA-860
  EIA-860 lists generator GT5, generator GT6 with this operating date.
2. Nov 29, 2006
Sep 14, 2016
Sep 14, 2016
AEP sale agreement announcedAEP Complet...
AEP announced an agreement to sell four competitive plants, including the approximately 507-MW Darby Generating Station, to Lightstone Generation, a joint venture of Blackstone and an ArcLight affiliate, for approximately $2.17 billion.
Apr 2026
Apr 2026
Acquisition Financing ArrangedTalen Energ...
Talen Energy Supply issued $1.5 billion of 6.125% senior unsecured notes due 2031 and $2.5 billion of 6.375% senior unsecured notes due 2033 to fund the Cornerstone Acquisition and redeem existing secured notes.
Jun 15, 2026
Jun 15, 2026
Talen Acquisition CompletedTalen Energ...
Talen completed its acquisition of Darby, Waterford, and Lawrenceburg from ECP. ECP received 2.4 million Talen shares and approximately $2.55 billion in cash.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

ohioepa.commentinput.comDarby Electric Generating Stationother

Common questions about Darby Power, LLC

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Darby Power, LLC?

Darby Power, LLC has a reported capacity of 564 MW. Source: EIA Form 860.

What kind of plant is Darby Power, LLC?

Darby Power, LLC is a Natural Gas Fired Combustion Turbine facility in Pickaway County, OH, participating in the PJM market.

Where is Darby Power, LLC located?

Darby Power, LLC is in Pickaway County, OH, inside the PJM balancing area.

Who operates Darby Power, LLC?

Darby Power, LLC is operated by Darby Power, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Darby Power, LLC generate?

Darby Power, LLC reported 510.4 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Darby Power, LLC compare to other plants?

By capacity, Darby Power, LLC ranks #76 of 825 operating plants of the same technology nationally. It ranks #7 of 24 in OH.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

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Overview

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Sources

Common questions about Darby Power, LLC

How big is Darby Power, LLC?

What kind of plant is Darby Power, LLC?

Where is Darby Power, LLC located?

Who operates Darby Power, LLC?

How much electricity does Darby Power, LLC generate?

How does Darby Power, LLC compare to other plants?

Co-located assets

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