Great Cove Solar II — 150 MW solar farm, Franklin County, PA

Great Cove Solar II — 150 MW solar farm, Franklin County, PA · Ask the Grid

Generation and physical site

EIA plant 67137 · Inventory for Aug 2026.

Reported operating nameplate by technology

Solar: 150 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 (1)

EIA generator status and nameplate capacity for Great Cove Solar II
Generator	Technology	Status	Power (MW)	Energy (MWh)
GC2	Solar Photovoltaic	Operating	150	Unknown

Physical map location · OpenStreetMap: 39.89289, -77.85403
Filed location · EIA: 39.90160, -77.86820

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Aug 2026
EIA retrieved: Oct 10, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Jan 13, 2026
Map prepared: Oct 10, 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

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

Generator	Capacity	Technology	Operation	Status
GC2	150 MW 150 MW summer	Solar Photovoltaic Solar · PV	Dec 2023	Operating

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

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AssetMarket / regulatorOwner / operator

Parties and identifiers

OrganizationRoleBasis

Great Cove Solar II LLCCommercial participantLegal project entity and FERC exempt-wholesale-generator applicant

AES Clean EnergyOwner / operatorLong-term owner and operator

Reporting portfolio

EIA reporting entity

AES Clean Energy

Entity 64904

Operating portfolio

50 plants

15 states

Reported capacity

4,778.7 MW

Batteries · Onshore Wind Turbine · Solar Photovoltaic

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Rexford Solar Farm	540 MW	CA
West Camp Wind Farm	500 MW	AZ
McFarland B Solar and Storage	450 MW	AZ
McFarland A Solar and Storage	300 MW	AZ
Morris Solar	250 MW	MO
Chevelon Butte Wind Farm	238.2 MW	AZ

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Dec 20, 2021
Dec 20, 2021
Developer acquisition relevant to project lineageaescorp2020...
AES announced its acquisition of Community Energy Solar LLC and its 10 GW development pipeline; the announcement did not identify a separately priced sale of Great Cove Solar II or allocate transaction value to the plant.
Dec 2023
Dec 2023
Generator enters operationEIA-860
EIA-860 lists generator GC2 with this operating date.
Jul 25, 2024
Jul 25, 2024
Great Cove Solar commercial milestone announcementmillcreekre...
Mill Creek Renewables announced the commencement of commercial operations at Great Cove Solar, a 220 MW project encompassing two solar facilities in Franklin and Fulton Counties, Pennsylvania.

Sources

PublisherReferenceType

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

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

aescorp2020cr.q4web.comaescorp2020cr.q4web.compublic_source

Common questions about Great Cove Solar II

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

How big is Great Cove Solar II?

Great Cove Solar II reports 150 MW solar of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.

What kind of plant is Great Cove Solar II?

Great Cove Solar II is a Solar Photovoltaic facility in Franklin County, PA, participating in the PJM market.

Where is Great Cove Solar II located?

Great Cove Solar II is in Franklin County, PA, inside the PJM balancing area.

Who operates Great Cove Solar II?

Great Cove Solar II is operated by AES Clean Energy according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Great Cove Solar II generate?

Great Cove Solar II reported 265.6 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does Great Cove Solar II compare to other plants?

By capacity, Great Cove Solar II ranks #284 of 7,597 operating plants of the same technology nationally. It ranks #1 of 80 in PA.

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.

Whitetail Solar 2Solar PhotovoltaicSolar Photovoltaic · same type20 MW3.6 km Whitetail Solar 3Solar PhotovoltaicSolar Photovoltaic · same type20 MW7.4 km Elk Hill Solar 1Solar PhotovoltaicSolar Photovoltaic · same type20 MW8 km Elk Hill Solar 2Solar PhotovoltaicSolar Photovoltaic · same type

Overview

Infrastructure record

Overview

Infrastructure record

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Structured profile

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Reported operating nameplate by technology

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Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Nearby substations

Commercial, land, and environmental record

Transactions and agreements