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Retirement of Generation Facilities | 12 Months Ended
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Dec. 31, 2023
Property, Plant and Equipment [Abstract] |
Retirement of Generation Facilities | RETIREMENT OF GENERATION FACILITIES Operational results for plants with defined retirement dates are included in our Sunset segment beginning in the quarter when a retirement plan is announced and move to the Asset Closure segment at the beginning of the calendar year the retirement is expected to occur.
Facility |  | Location |  | ISO/RTO |  | Fuel Type |  | Net Generation Capacity (MW) |  | Actual or Expected Retirement Date (a)(b) |  | Segment
Baldwin |  | Baldwin, IL |  | MISO |  | Coal |  | 1,185 |  | By the end of 2025 |  | Sunset
Coleto Creek |  | Goliad, TX |  | ERCOT |  | Coal |  | 650 |  | By the end of 2027 |  | Sunset
Kincaid |  | Kincaid, IL |  | PJM |  | Coal |  | 1,108 |  | By the end of 2027 |  | Sunset
Miami Fort |  | North Bend, OH |  | PJM |  | Coal |  | 1,020 |  | By the end of 2027 |  | Sunset
Newton |  | Newton, IL |  | MISO/PJM |  | Coal |  | 615 |  | By the end of 2027 |  | Sunset
Edwards |  | Bartonville, IL |  | MISO |  | Coal |  | 585 |  | Retired January 1, 2023 |  | Asset Closure
Joppa |  | Joppa, IL |  | MISO |  | Coal |  | 802 |  | Retired September 1, 2022 |  | Asset Closure
Joppa |  | Joppa, IL |  | MISO |  | Natural Gas |  | 221 |  | Retired September 1, 2022 |  | Asset Closure
Zimmer |  | Moscow, OH |  | PJM |  | Coal |  | 1,300 |  | Retired June 1, 2022 |  | Asset Closure
Total |  |  |  |  |  |  |  | 7,486 |  |  |  |
____________ (a)Generation facilities may retire earlier than expected dates disclosed if economic or other conditions dictate. (b)Retirement dates represent the first full day in which a plant does not operate. In 2020, we announced our intention to retire all of our remaining coal generation facilities in Illinois and Ohio, one coal generation facility in Texas and one natural gas facility in Illinois no later than year-end 2027 due to economic challenges, including incremental expenditures that would be required to comply with the CCR rule and ELG rule (see Note 14), and in furtherance of our efforts to significantly reduce our carbon footprint. As previously announced in April 2021, we retired the Joppa generation facilities in September 2022 in order to settle a complaint filed with the Illinois Pollution Control Board (IPCB) by the Sierra Club in 2018. As previously announced in July 2021, we retired the Zimmer coal generation facility in June 2022 due to the inability to secure capacity revenues for the plant in the PJM capacity auction held in May 2021. See Note 22 for discussion of impairments recorded in connection with these determinations.

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