Regulatory Matters

3 Months Ended

Mar. 31, 2026

Public Utilities, General Disclosures [Abstract]

Regulatory Matters

REGULATORY MATTERS

2025 Electric Rate Case Filing

DTE Electric filed a rate case with the MPSC on April 24, 2025 requesting an increase in base rates of $574 million based on a projected twelve-month period ending December 31, 2026, and an increase in return on equity from 9.9% to 10.75%. The requested increase in base rates was primarily due to capital investments required to support continued reliability improvements and the ongoing transition to cleaner energy. On February 19, 2026, the MPSC issued an order approving an annual revenue increase of $242 million for services rendered on or after March 5, 2026 and a return on equity of 9.9%.

2025 Electric Depreciation Case Filing

DTE Electric filed a depreciation case with the MPSC on December 23, 2025 requesting an increase in depreciation rates of $147 million when compared to current depreciation rates for plant in service balances as of December 31, 2023. While there is no required timing for an MPSC order in a depreciation case, updated depreciation rates will be implemented coinciding with an order in the first DTE Electric general rate case filed following an order in this case.

2025 Gas Rate Case Filing

DTE Gas filed a rate case with the MPSC on November 13, 2025 requesting a net increase in base rates of $163 million based on a projected twelve-month period ending September 30, 2027, and an increase in return on equity from 9.8% to 10.25%. The net increase is based on a total revenue deficiency of $238 million, net of the IRM roll-in of $75 million. The requested net increase in base rates was primarily due to continued infrastructure investment and increasing operations and maintenance costs needed to ensure the continued safe and reliable delivery of natural gas to customers. A final MPSC order in this case is expected in September 2026.

2026 Electric Rate Case Filing

DTE Electric filed a rate case with the MPSC on April 28, 2026 requesting an increase in base rates of $474 million based on a projected twelve-month period ending February 29, 2028, and an increase in return on equity from 9.9% to 10.25%. The requested increase in base rates was primarily due to capital investments required to support continued reliability improvements and the ongoing transition to cleaner energy. A final MPSC order in this case is expected in February 2027.