MRP Elgin — 540 MW gas plant, Cook County, IL

MRP Elgin — 540 MW gas plant, Cook County, IL · Ask the Grid

Generation and physical site

EIA plant 55438 · Inventory for Sep 2026.

Reported operating nameplate by technology

Natural gas: 540 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 (4)

EIA generator status and nameplate capacity for MRP Elgin LLC
Generator	Technology	Status	Power (MW)	Energy (MWh)
CT01	Natural Gas Fired Combustion Turbine	Operating	135	Unknown
CT02	Natural Gas Fired Combustion Turbine	Operating	135	Unknown
CT03	Natural Gas Fired Combustion Turbine	Operating	135	Unknown
CT04	Natural Gas Fired Combustion Turbine	Operating	135	Unknown

Physical map location · OpenStreetMap: 41.99942, -88.24453
Filed location · EIA: 42.00006, -88.24457

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: Jul 18, 2024
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
CT01	135 MW 121.7 MW summer	Natural Gas Fired Combustion Turbine GT	Sep 2002	Operating
CT02	135 MW 121.4 MW summer	Natural Gas Fired Combustion Turbine GT	Oct 2002	Operating
CT03	135 MW 121.6 MW summer	Natural Gas Fired Combustion Turbine GT	Oct 2002	Operating
CT04	135 MW 123.2 MW summer	Natural Gas Fired Combustion Turbine GT	Nov 2002	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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AssetOwner / operatorContractorFinancierRelated asset

Parties and identifiers

OrganizationRoleBasis

Lincoln Power LLCPortfolio owner / developerFinancing covers a portfolio that includes MRP Elgin LLC.

Reporting portfolio

EIA reporting entity

Lincoln Operating Services, LLC

Entity 64030

Operating portfolio

2 plants

1 states

Reported capacity

914 MW

Natural Gas Fired Combustion Turbine

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
MRP Elgin LLCCurrent	540 MW	IL
MRP Rocky Road LLC	374 MW	IL

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

View full reporting portfolio

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

2001
2001
Construction AnnouncedElgin peake...
Ameren announced that construction of Elgin Energy Center would begin on August 1, with part of the plant expected to be operational in 2002.
2002
2002
Commercial OperationGE Unit Pro...
The plant began commercial operation in fall 2002. FERC records show CT01 entering service in September, CT02 and CT03 in October, and CT04 in November; the facility was configured with four simple-cycle natural-gas combustion turbines.
Sep 2002
Sep 2002
Generator enters operationEIA-860
EIA-860 lists generator CT01 with this operating date.
View 5 more milestonesHide 5 milestones
1. Oct 2002
  Oct 2002
  Generators enter operationEIA-860
  EIA-860 lists generator CT02, generator CT03 with this operating date.
2. Nov 2002
  Nov 2002
Sep 10, 2024
Sep 10, 2024
Retirement Plan WithdrawnMiddle Rive...
Middle River Power withdrew its proposed retirement of the 540-MW Elgin Energy Center, reversing a plan that would have retired the plant by June 1, 2025.
Aug 19, 2025
Aug 19, 2025
FERC Section 203 filingFederal Reg...
MRP Elgin LLC and MRP Rocky Road LLC filed a joint application for authorization under Section 203 of the Federal Power Act.
Mar 6, 2026
Mar 6, 2026
Ownership confirmed by DairylandDairyland A...
Dairyland stated that it owns Elgin Energy Center in Elgin.

Sources

PublisherReferenceType

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

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

EIAAsset record 55438Asset source

Common questions about MRP Elgin

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

How big is MRP Elgin?

MRP Elgin reports 540 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 MRP Elgin?

MRP Elgin is a Natural Gas Fired Combustion Turbine facility in Cook County, IL, participating in the PJM market.

Where is MRP Elgin located?

MRP Elgin is in Cook County, IL, inside the PJM balancing area.

Who operates MRP Elgin?

MRP Elgin is operated by Lincoln Operating Services, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

When did MRP Elgin start operating?

MRP Elgin reports a commercial operation date of 2002. Current status: operating. Source: EIA Sep 2026.

How much electricity does MRP Elgin generate?

MRP Elgin reported 62.2 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.

How does MRP Elgin compare to other plants?

By capacity, MRP Elgin ranks #81 of 829 operating plants of the same technology nationally. It ranks #9 of 37 in IL.

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.

Woodland Landfill Gas RecoveryLandfill GasLandfill Gas3 MW3.2 km Hoffer PlasticsNatural Gas Internal Combustion EngineNatural Gas Internal Combustion Engine · same type7 MW4.8 km MRP Rocky Road LLCNatural Gas Fired Combustion TurbineNatural Gas Fired Combustion Turbine · same type374 MW10 km Bystronic ManufacturingSolar PhotovoltaicSolar Photovoltaic

Overview

Overview

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Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

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MRP Rocky Road LLC

Lincoln Generating Facility

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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

Land and environmental record