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Discontinued Operations
 9 Months Ended
Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Discontinued Operations DISCONTINUED OPERATIONS
Conesville - In May 2020, AEP, the operator of the formerly co-owned Conesville EGU, retired Conesville Unit 4 as planned. On June 5, 2020, DPL and AES Ohio Generation, together with AEP, completed the transfer of their interests in the retired Unit 4, including the associated environmental liabilities, to an unaffiliated third-party purchaser. For the transaction, DPL made quarterly cash expenditures, totaling $4.0 million, through June 2022. The transfer of Conesville Unit 4 was the last step in DPL's plan to exit its AES Ohio Generation business operations.

DPL determined that the transfer of Conesville and the previous transfers and sales of other AES Ohio Generation assets constitute the disposal of a group of components, which, as a whole, represent a strategic shift to exit its AES Ohio Generation business. As such, the disposal of this group of components qualified to be presented as
discontinued operations. Therefore, the results of operations of this group of components have been reported as such in the Condensed Consolidated Statements of Operations for the period indicated below.

The following table summarizes the revenues, operating costs, other expenses and income tax of discontinued operations for the period indicated:
Three months endedNine months ended
September 30,September 30,
$ in millions20212021
Revenues$— $1.4 
Operating costs and other expenses— (2.4)
Loss from discontinued operations before income tax— (1.0)
Income tax benefit from discontinued operations— (0.2)
Net loss from discontinued operations$— $(0.8)

Cash flows related to discontinued operations are included in our Condensed Consolidated Statements of Cash Flows. For the three and nine months ended September 30, 2021, cash flows from operating activities for discontinued operations were $0.4 million and $0.4 million, respectively. For the three and nine months ended September 30, 2021, cash flows from investing activities for discontinued operations were $(0.4) million and $(1.2) million, respectively.