Darby Power — 564 MW gas plant, Pickaway County, OH

Darby Power — 564 MW gas plant, Pickaway County, OH · Ask the Grid

Generation and physical site

EIA plant 55247 · Inventory for Sep 2026.

Reported operating nameplate by technology

Natural gas: 564 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (6)

EIA generator status and nameplate capacity for Darby Power, LLC
Generator	Technology	Status	Power (MW)	Energy (MWh)
GT1	Natural Gas Fired Combustion Turbine	Operating	94	Unknown
GT2	Natural Gas Fired Combustion Turbine	Operating	94	Unknown
GT3	Natural Gas Fired Combustion Turbine	Operating	94	Unknown
GT4	Natural Gas Fired Combustion Turbine	Operating	94	Unknown
GT5	Natural Gas Fired Combustion Turbine	Operating	94	Unknown
GT6	Natural Gas Fired Combustion Turbine	Operating	94	Unknown

Physical map location · OpenStreetMap: 39.71280, -83.17757
Filed location · EIA: 39.71390, -83.17780

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Aug 27, 2026
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Current 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 GT	May 2001	Operating
GT2	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine GT	May 2001	Operating
GT3	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine GT	May 2001	Operating
GT4	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine GT	May 2001	Operating
GT5	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine GT	May 2002	Operating
GT6	94 MW 80 MW summer	Natural Gas Fired Combustion Turbine 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
  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

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

How big is Darby Power?

Darby Power reports 564 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is Darby Power?

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

Where is Darby Power located?

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

Who operates Darby Power?

Darby Power 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 generate?

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

How does Darby Power compare to other plants?

By capacity, Darby Power ranks #76 of 829 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.

Buckeye SolarSolar PhotovoltaicSolar Photovoltaic100 MW13 km Pickaway SolarSolar PhotovoltaicSolar Photovoltaic100 MW17 km Fox Squirrel SolarSolar PhotovoltaicSolar Photovoltaic577 MW18 km Big Plain Solar, LLCSolar PhotovoltaicSolar Photovoltaic196 MW

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