Company: DTK
Filing Date: 2025-02-13
Form Type: 10-K
Source: 0000936340-25-000065
Chunk: 108

Company: DTE ENERGY CO
Filing Date: 2025-02-13
Form: 10-K
Item: Item 7
Chunk 108
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connection sales8,899 7,658 6,615 Total DTE Electric Sales49,004 46,781 47,513 DTE Electric DeliveriesRetail and wholesale40,105 39,123 40,898 Electric retail access4,315 4,381 4,486 Total DTE Electric Sales and Deliveries44,420 43,504 45,384 

DTE Electric sales and deliveries increased in 2024 primarily due to favorable weather compared to 2023.  The decrease in 2023 was primarily due to unfavorable weather compared to 2022.

33

Fuel and purchased power — utility expense increased $124 million in 2024 and decreased $497 million in 2023.  The change in both periods was due to the following:

2024(In millions)Coal - higher consumption and higher prices$52 Higher transmission expenses39 Purchased power - MISO refund in 2023 and higher volumes in 2024 primarily due to higher demand34 Nuclear fuel - lower amortization due to refueling outage in 2024(4)Other3 $124 

2023(In millions)Purchased power - lower market prices and lower purchase volumes due to lower demand$(351)Coal - lower consumption due to coal plant retirements, partially offset by higher prices(82)Gas - lower prices, partially offset by higher consumption primarily due to Blue Water Energy Center(78)Nuclear fuel - higher amortization due to refueling outage in 202217 Other(3)$(497)

Operation and maintenance expense increased $22 million in 2024 and decreased $147 million in 2023.  The increase in 2024 was primarily due to one-time costs of $32 million resulting from the voluntary separation incentive program, higher RPS expense of $25 million, higher EWR expense of $17 million, higher uncollectible expense of $12 million, higher corporate support costs of $12 million, higher sales and marketing expense of $10 million, higher legal expense of $9 million, higher planning and development expense of $7 million, and higher plant generation expense of $3 million, partially offset by lower distribution operations expense of $106 million (primarily due to lower storm restoration costs).

The decrease in 2023 was primarily due to lower plant generation expense of $108 million (primarily due to lower outage costs and coal plant retirements), lower benefits and other compensation expense of $67 million, lower