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Electric Power Monthly

Data for May 2026 Release Date: July 23, 2026 Next Release Date: August 26, 2026 Full report PDF
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Table 6.4. Retired Utility Scale Generating Units by Operating Company, Plant, and Month, 2026

Year Month Entity ID Entity Name Plant Producer Type Plant Name Plant State Plant ID Generator ID Net Summer Capacity (MW) Technology Energy Source Code Prime Mover Code
2026 1 13048 City of Mountain Lake - (MN) Electric Utility Mountain Lake MN 1998 2 0.9 Natural Gas Internal Combustion Engine NG IC
2026 1 64954 Contango Oil and Gas Industrial Elk Basin Gasoline Plant WY 52127 GEN1 0.8 Other Gases OG ST
2026 1 16024 Riverwood Intl USA Inc Industrial Graphic Packaging Intl Macon Mill GA 54464 0002 4.7 Wood/Wood Waste Biomass BLQ ST
2026 1 66969 TMF-RIG, LLC Electric CHP Threemile Digester OR 58382 GEN3 1.6 Natural Gas Internal Combustion Engine NG IC
2026 2 60094 Clinton Battery Utility, LLC IPP Clinton Battery OH 60297 1 5.0 Batteries MWH BA
2026 2 63873 Lincoln Medical and Mental Health Center Commercial Lincoln Medical and Mental Health Center NY 64291 B2 1.0 Petroleum Liquids DFO IC
2026 3 56440 G2 Energy LLC IPP G2 Energy Marion LLC FL 57128 357 1.5 Landfill Gas LFG IC
2026 3 66969 TMF-RIG, LLC Electric CHP Threemile Digester OR 58382 GEN1 1.6 Natural Gas Internal Combustion Engine NG IC
2026 3 66969 TMF-RIG, LLC Electric CHP Threemile Digester OR 58382 GEN2 1.6 Natural Gas Internal Combustion Engine NG IC
2026 5 221 Alaska Village Elec Coop, Inc Electric Utility Mountain Village AK 6329 1 0.3 Petroleum Liquids DFO IC
2026 5 221 Alaska Village Elec Coop, Inc Electric Utility Mountain Village AK 6329 4A 0.8 Petroleum Liquids DFO IC
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 13WT 0.1 Onshore Wind Turbine WND WT
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 14wt 0.1 Onshore Wind Turbine WND WT
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 15WT 0.1 Onshore Wind Turbine WND WT
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 16WT 0.1 Onshore Wind Turbine WND WT
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 17WT 0.1 Onshore Wind Turbine WND WT
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 1WT 0.6 Onshore Wind Turbine WND WT
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 2WT 0.1 Onshore Wind Turbine WND WT
2026 5 10451 Kotzebue Electric Assn Inc Electric Utility Kotzebue Hybrid AK 6304 3WT 0.2 Onshore Wind Turbine WND WT
2026 5 67818 MPH Elwood, LLC IPP MPH Elwood IL 69979 GT3 150.0 Natural Gas Fired Combustion Turbine NG GT
2026 5 67818 MPH Elwood, LLC IPP MPH Elwood IL 69979 GT4 150.0 Natural Gas Fired Combustion Turbine NG GT
2026 5 59526 State Correctnl Inst Laurel Highlands Commercial Glades Pike Generation Plant PA 59759 CAT1 1.6 Landfill Gas LFG IC
2026 5 59526 State Correctnl Inst Laurel Highlands Commercial Glades Pike Generation Plant PA 59759 CAT2 1.6 Landfill Gas LFG IC

NOTES:
Capacity from facilities with a total generator nameplate capacity less than 1 MW are excluded from this table.
Entity ID and Plant ID are official, unique identification numbers assigned by EIA; Generator IDs are assigned by plant owners and/or operators.
Descriptions for the Energy Source Codes and the Prime Mover Codes listed in the table can be found in the Technical Notes.

Sources: U.S. Energy Information Administration, Form EIA-860, 'Annual Electric Generator Report' and Form EIA-860M, 'Monthly Update to the Annual Electric Generator Report.'