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PROPERTY, PLANT, AND EQUIPMENT | 6 Months Ended
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Jun. 30, 2023
Property, Plant and Equipment [Abstract] |
PROPERTY, PLANT, AND EQUIPMENT | PROPERTY, PLANT, AND EQUIPMENT Wisconsin Segment Plant to be Retired Oak Creek Power Plant Units 5 – 8 As a result of a PSCW approval for the construction of a solar and battery project received in December 2022, retirement of the OCPP generating units 5 – 8 became probable. In early 2023, we received additional approvals for electric generation facilities, including West Riverside and Koshkonong. See Note 2, Acquisitions, for more information on the acquisition of West Riverside, which was completed in June 2023. OCPP units 5 and 6 are expected to be retired by May 2024, while units 7 and 8 are expected to be retired by late 2025. The total net book value of WE's ownership share of units 5 – 8 was $808.1 million at June 30, 2023, which does not include deferred taxes. This amount was classified as plant to be retired within property, plant, and equipment on our balance sheet. These units are included in rate base, and WE continues to depreciate them on a straight-line basis using the composite depreciation rates approved by the PSCW. Columbia Units 1 and 2 As a result of a MISO ruling received in June 2021, retirement of the jointly-owned Columbia generating units 1 and 2 became probable. Columbia generating units 1 and 2 are expected to be retired by June 2026. The total net book value of WPS's ownership share of units 1 and 2 was $264.3 million at June 30, 2023, which does not include deferred taxes. This amount was classified as plant to be retired within property, plant, and equipment on our balance sheet. These units are included in rate base, and WPS continues to depreciate them on a straight-line basis using the composite depreciation rates approved by the PSCW. Samson I Solar Energy Center LLC – Storm Damage During a wind storm in March 2023, certain sections across approximately 40% of our Samson I solar facility incurred some amount of damage. As of June 30, 2023, we recognized an impairment of $1.6 million related to damage from this storm, which was offset by a $1.6 million receivable for future insurance recoveries. The impairment initially recorded in the first quarter of 2023 was reduced after we updated our damage assessment in the second quarter. Although we may experience differences between periods in the timing of cash flows, we do not currently expect a significant impact to our long-term cash flows from this event.

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