How big is Calumet Energy Team?

Calumet Energy Team reports 312.8 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 Calumet Energy Team?

Calumet Energy Team is a Natural Gas Fired Combustion Turbine facility in Cook County, IL, participating in the PJM market.

Where is Calumet Energy Team located?

Calumet Energy Team is in Cook County, IL, inside the PJM balancing area.

Who operates Calumet Energy Team?

Calumet Energy Team is operated by IPA Operations Inc - Calumet according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Calumet Energy Team generate?

Calumet Energy Team reported 5.1 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does Calumet Energy Team compare to other plants?

By capacity, Calumet Energy Team ranks #180 of 829 operating plants of the same technology nationally. It ranks #18 of 37 in IL.

Calumet Energy Team — 313 MW gas plant, Cook County, IL

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Calumet Energy Team — 313 MW gas plant, Cook County, IL · Ask the Grid

Generation and physical site

EIA plant 55296 · Inventory for Sep 2026.

Reported operating nameplate by technology

Natural gas: 312.8 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 (2)

EIA generator status and nameplate capacity for Calumet Energy Team LLC
Generator	Technology	Status	Power (MW)	Energy (MWh)
CT11	Natural Gas Fired Combustion Turbine	Operating	156.4	Unknown
CT12	Natural Gas Fired Combustion Turbine	Operating	156.4	Unknown

Physical map location · OpenStreetMap: 41.68337, -87.55692
Filed location · EIA: 41.68350, -87.55630

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 4, 2022
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
CT11	156.4 MW 162 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2002	Operating
CT12	156.4 MW 164.1 MW summer	Natural Gas Fired Combustion Turbine GT	Jun 2002	Operating

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

Offtake Agreement

Date not disclosed

Replacement long-term power purchase contract replacing City of Chicago obligation. Requires monthly capacity payments; Midwest Generation option to purchase energy at prices based on operations and maintenance and fuel costs. Contract date, duration, and capacity not disclosed.

Midwest Generation LLC · Calumet Energy Team LLC

Source

Acquisition

May 2005

Tenaska Power Fund acquired all issued and outstanding membership interests of Calumet Energy Team LLC and CET One LLC from CET Two LLC for approximately $37 million cash. CET One held Calumet facility assets; transaction effective May 31, 2005.

$37.0MTenaska Power Fund, L.P. · Calumet Energy Team LLC · CET One LLC · CET Two LLC

Source

Acquisition

Feb 2017

Dynegy completed acquisition of ENGIE U.S. generation portfolio for $3.3 billion on February 8, 2017. Portfolio explicitly included Calumet at 380 MW. No asset-specific price allocated.

Dynegy Inc. · ENGIE · Calumet Energy Team LLC

Dynegy Completes Acquisition of 9 GW ENGIE Portfolio

Land and environmental record

Air Permit Renewal

Feb 3, 2026

CAAPP BOA ID 031600GHA; Clean Air Act Permit Program number 03030094

Illinois EPA environmental justice notice (Feb 3, 2026) for renewal application of existing CAAPP for five years. Document is application public notice, not evidence of renewed permit issuance.

Source

Cooling And Water Use

Jun 6, 2025

Evaporative cooling, non-contact cooling, mechanical-seal cooling/leak-off, and stormwater drainage

NPDES fact sheets identify evaporative coolers, non-contact cooling water, mechanical-seal leak-off, stack/diffuser drains, transformer-pit and floor drains, diesel fire-pump-building drain. No specific named water-withdrawal source identified in permit excerpts.

NPDES Permit No. IL0075108 Notice No. YDO:25040801.docx Public Notice Beginning Date: June 6, 2025 Public Notice Ending Date: July 6,

Discharge Receiving Water

Jun 6, 2025

Calumet River (via storm-sewer tributary from outfall 001)

NPDES records identify Calumet River as receiving water for permitted discharges.

NPDES Permit No. IL0075108 Notice No. YDO:25040801.docx Public Notice Beginning Date: June 6, 2025 Public Notice Ending Date: July 6,

Historical Permitted Wastewater Flow

May 8, 2014

Historical (2014): Outfall 001: 0.019 MGD; Outfall 002: 0.001 MGD

2014 NPDES draft reissuance fact sheet. Historical figures; differ from lower 2025 reported averages.

Index

Permitted Wastewater Flow

Jun 6, 2025

Outfall 001: 0.0007 MGD average; Outfall 002: 0.0006 MGD average

2025 NPDES draft fact sheet. Outfall 001: evaporative-cooler blowdown, bleed water, stack/diffuser drains, floor drains, transformer-pit stormwater. Outfall 002: non-contact cooling water, mechanical-seal leak-off, diesel-fire-pump-building drain.

NPDES Permit No. IL0075108 Notice No. YDO:25040801.docx Public Notice Beginning Date: June 6, 2025 Public Notice Ending Date: July 6,

Mapped facility footprint

Overview

Overview

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Infrastructure record

Profile

Structured profile

Generation and physical site

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

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Calumet Energy Team

How big is Calumet Energy Team?

What kind of plant is Calumet Energy Team?

Where is Calumet Energy Team located?

Who operates Calumet Energy Team?

How much electricity does Calumet Energy Team generate?

How does Calumet Energy Team compare to other plants?

Co-located assets

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