Company: DTK
Filing Date: 2025-07-29
Form Type: 10-Q
Source: 0000936340-25-000182
Chunk: 177

Company: DTE ENERGY CO
Filing Date: 2025-07-29
Form: 10-Q
Item: Part I, Item 8
Chunk 177
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category for FGD and new discharge requirements for BATW.  Additionally, DTE Electric is evaluating compliance strategies and options to address new requirement and deadlines for other wastewater streams in the 2024 Supplemental Rule at both Belle River Power Plant and Sibley Quarry.DTE Electric currently estimates the impact of the CCR and ELG rules to be $511 million of capital expenditures through 2029.  This estimate may change in future periods as DTE Electric evaluates the CCR and ELG rules discussed above that have recently been finalized.DTE GasContaminated and Other Sites — DTE Gas owns or previously owned 14 former MGP sites.  Investigations have revealed contamination related to the by-products of gas manufacturing at each site.  Cleanup of eight MGP sites is complete and those sites are closed.  DTE Gas has also completed partial closure of five additional sites.  Cleanup activities associated with the remaining sites will continue over the next several years.  The MPSC has established a cost deferral and rate recovery mechanism for investigation and remediation costs incurred at former MGP sites.  In addition to the MGP sites, DTE Gas is also in the process of cleaning up other contaminated sites, including gate stations, gas pipeline releases, and underground storage tank locations.  As of June 30, 2025 and December 31, 2024, DTE Gas had $25 million and $26 million, respectively, accrued for remediation.  These costs are not discounted to their present value.  Any change in assumptions, such as remediation techniques, nature and extent of contamination, and regulatory requirements, could impact the estimate of remedial action costs for the sites and affect DTE Gas' financial position and cash flows.  DTE Gas anticipates the cost amortization methodology approved by the MPSC, which allows for amortization of the MGP costs over a ten-year period beginning with the year subsequent to the year the MGP costs were incurred, will prevent the associated investigation and remediation costs from having a material adverse impact on DTE Gas' results of operations.Air — In March 2023, the EPA published the Good Neighbor Rule, which includes provisions for compressor engines operated for the transportation of natural gas.  In June 2024, the United States Supreme Court issued an opinion granting emergency applications to stay the Good Neighbor Rule.  The stay will remain in effect during other litigation.  The status of the rule remains uncertain as litigation is ongoing.  At this time, DTE Gas