Electric Power Monthly
| 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 | 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 | 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 |
| 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.' |