The company said NSP-Minnesota, its wholly owned subsidiary, filed on June 30, 2025 with the South Dakota Public Utilities Commission for a net annual electric rate increase of $44 million (15%).

1. 01

   The company said NSP-Minnesota, its wholly owned subsidiary, filed on June 30, 2025 with the South Dakota Public Utilities Commission for a net annual electric rate increase of $44 million (15%).

2. 02

   The company said the filing is based on a 2024 historic test year, a requested return on equity of 10.3%, a rate base of approximately $1.2 billion and an equity ratio of 52.87%.

3. 03

   The company said NSP-Minnesota has requested that rates take effect on January 1, 2026.

4. 04

   The company said that if approved as filed, the request would result in an average annual residential bill increase of 3% over the period from 2016 to 2026.

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Original filing

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