Company: DTK
Filing Date: 2025-10-30
Form Type: 10-Q
Source: 0000936340-25-000223
Chunk: 6

Company: DTE ENERGY CO
Filing Date: 2025-10-30
Form: 10-Q
Item: Part I, Item 2
Chunk 6
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 September 30,Nine Months Ended September 30,2025202420252024(In thousands of MWh)DTE Electric SalesResidential4,733 4,623 11,970 11,774 Commercial4,480 4,527 12,278 12,452 Industrial2,228 2,255 6,332 6,569 Other43 44 138 141 11,484 11,449 30,718 30,936 Interconnection sales2,783 2,734 8,366 6,162 Total DTE Electric Sales14,267 14,183 39,084 37,098 DTE Electric DeliveriesRetail and wholesale11,484 11,449 30,718 30,936 Electric retail access1,233 1,183 3,453 3,353 Total DTE Electric Sales and Deliveries12,717 12,632 34,171 34,289 

Fuel and purchased power — utility expense increased $85 million and $143 million in the three and nine months ended September 30, 2025, respectively.  The increase in both periods was due to the following:

Three Months(In millions)Gas - higher prices$51 Purchased power - higher prices, partially offset by lower volumes primarily due to higher generation18 Higher transmission expenses10 Other6 $85 

59

Nine Months(In millions)Gas - higher prices, partially offset by lower consumption$63 Coal - higher consumption, partially offset by lower prices43 Higher transmission expenses18 Nuclear fuel - higher amortization due to refueling outage in 202412 Other7 $143 

Operation and maintenance expense increased $14 million and $10 million in the three and nine months ended September 30, 2025, respectively.  The increase in the third quarter was primarily due to higher benefits and other compensation expense of $11 million, higher plant generation expense of $8 million, and higher EWR expense of $5 million, partially offset by lower distribution operations expense of $10 million.  The increase in the nine-month period was primarily due to higher benefits and other compensation of $22 million, higher EWR expense of $13 million, higher corporate support costs of $10 million, higher plant generation expense of $9 million and higher legal expense of $5 million, partially offset by one-time costs in 2024 of $32