How big is Fremont Energy Center?

Fremont Energy Center has a reported capacity of 739.5 MW. Source: EIA Form 860.

What kind of plant is Fremont Energy Center?

Fremont Energy Center is a Natural Gas Fired Combined Cycle facility in Sandusky County, OH, participating in the PJM market.

Where is Fremont Energy Center located?

Fremont Energy Center is in Sandusky County, OH, inside the PJM balancing area.

Who operates Fremont Energy Center?

Fremont Energy Center is operated by American Mun Power-Ohio, Inc according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Fremont Energy Center generate?

Fremont Energy Center reported 4,112.8 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.

Where does Fremont Energy Center connect to the grid?

Fremont Energy Center interconnects at West Fremont 138 kV and AEP Fremont 138 kV, on the American Transmission Systems, Inc. (ATSI), a FirstEnergy company, for West Fremont; AEP for Fremont system.

How does Fremont Energy Center compare to other plants?

By capacity, Fremont Energy Center ranks #160 of 538 operating plants of the same technology nationally. It ranks #8 of 14 in OH.

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Natural Gas Fired Combined CyclePJM · Sandusky County

Fremont Energy Center

American Municipal Power, Inc. · Sandusky County · PJM

Fremont Energy Center is a natural gas-fired power facility with 739.5 MW of EIA-reported nameplate capacity in Sandusky County, Ohio, registered as EIA Plant ID 55701. American Municipal Power, Inc. is the current owner; American Mun Power-Ohio, Inc is the registered plant entity or operator. American Municipal Power, Inc. acquired the project from FirstEnergy Generation Corp. on July 28, 2011.

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plant:plant-55701

Ask about Fremont Energy Center

Investigate technology, capacity, output, price behavior, ownership, and related facilities using this profile plus current grid data.

Overview

Key fields

Reported capacity: 739.5 MW
EIA-reported nameplate capacity; other nameplate and seasonal ratings may differ.
Technology: Natural Gas Fired Combined Cycle
Primary generation technology.
Registry anchor: Plant 55701
American Mun Power-Ohio, Inc · Sandusky County · PJM
Operating status: Operating
Fremont Energy Center is operating.
Grid connection: West Fremont 138 kV and AEP Fremont 138 kV
138 kV · American Transmission Systems, Inc. (ATSI), a FirstEnergy company, for West Fremont; AEP for Fremont

Profile

Grid role: Load-following combined-cycle generation with additional duct-fired output during peak-demand periods.
Grid connection: West Fremont 138 kV and AEP Fremont 138 kV · 138 kV · American Transmission Systems, Inc. (ATSI), a FirstEnergy company, for West Fremont; AEP for Fremont.
Physical build: Fremont Energy Center is a natural-gas combined-cycle facility consisting of two Siemens Westinghouse 501RD combustion-turbine generators, each rated at 180 MW net, two Nooter-Eriksen heat-recovery steam generators, one Siemens Westinghouse steam-turbine generator, and one condenser. The plant also has 163 MW of duct-firing capability.

Structured profile

Reported capacity: 739.5 MW
Natural Gas Fired Combined Cycle
Operating status: operating
Fremont Energy Center is operating.
Interconnection: West Fremont 138 kV and AEP Fremont 138 kV
138 kV · American Transmission Systems, Inc. (ATSI), a FirstEnergy company, for West Fremont; AEP for Fremont
Location: Sandusky County
PJM

Units and generators

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

Generator	Capacity	Technology	Operation	Status
CA01	358.7 MW 345.1 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CA	Jan 2012	Operating
CT01	190.4 MW 170 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Jan 2012	Operating
CT02	190.4 MW 170 MW summer	Natural Gas Fired Combined Cycle Natural Gas · CT	Jan 2012	Operating

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 739.5 MW
National rank: #160
OH rank: #8

Monthly generation

Download CSV

Latest 12 months

4.11 TWh

Reported net generation

Latest report

Apr 2026

EIA-923 monthly filing

2025 capacity factor

62.2%

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

UNKNOWN112850

IN SERVICE · 138 kV

0.1 km

UNKNOWN113726

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Acquisition

Jan 2008

FirstEnergy acquired the partially complete Fremont Energy Center from Calpine Corporation in January 2008 through Calpine's bankruptcy proceeding.

FirstEnergy Generation Corp. · Calpine Corporation

prnewswire.com

Acquisition Closing

Jul 2011

FirstEnergy Generation Corp. completed sale of AFEC to American Municipal Power for more than $500 million; definitive purchase agreement entered March 2011.

FirstEnergy Generation Corp. · American Municipal Power, Inc.

prnewswire.com

Fuel Hedging Agreements

Date not disclosed

AMP entered long- and short-term Fuel Hedge Agreements with notional amount $108.7216 million (based on trade price). Program hedges up to 80% of projected base-capacity natural-gas volume on rolling 36-month basis; counterparties not named.

$108.7MAmerican Municipal Power, Inc. · Fuel hedge agreement counterparties

amppartners.org

Land and environmental record

Parcel Landowner

Sep 20, 2017

Parcel 346000042200 — American Municipal Power Inc. and Michigan Public Power Agency

2017 FirstEnergy/ATSI construction notice identifies parcel 346000042200 at 1275 Miarer Road as owned by American Municipal Power Inc. and Michigan Public Power Agency.

Source

Site Area

Approximately 80 acres

AFEC site is described as flat and comprising approximately 80 acres.

mpower.org

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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AssetOwner / operatorOrganization

Parties and identifiers

OrganizationRoleBasis

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Jan 2008
Jan 2008
Acquisition Closedhttp://prne...
FirstEnergy acquired the partially complete Fremont Energy Center from Calpine Corporation in January 2008 through Calpine's bankruptcy proceeding.
2010

Reporting portfolio

EIA reporting entity

American Mun Power-Ohio, Inc

Entity 40577

Operating portfolio

37 plants

4 states

Reported capacity

1,368.1 MW

Conventional Hydroelectric · Natural Gas Fired Combined Cycle · Natural Gas Fired Combustion Turbine

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Fremont Energy CenterCurrent	739.5 MW	OH
Cannelton Hydroelectric Plant	87.9 MW	KY
Smithland Hydroelectric Plant	75.9 MW	KY
Napoleon Peaking Station	49.5 MW	OH
Galion Generating Station	49.5 MW	OH
Bowling Green Generating Station	49.5 MW	OH
Willow Island Hydroelectric Plant	44 MW	WV
Belleville Dam	42 MW	WV

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

View full reporting portfolio

Fremont Energy Center

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Fremont Energy Center

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Overview

Key fields

Profile

Structured profile

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Timeline and sources

Project timeline

Reporting portfolio

Sources

Common questions about Fremont Energy Center

How big is Fremont Energy Center?

What kind of plant is Fremont Energy Center?

Where is Fremont Energy Center located?

Who operates Fremont Energy Center?

How much electricity does Fremont Energy Center generate?

Where does Fremont Energy Center connect to the grid?

How does Fremont Energy Center compare to other plants?

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