State regulators approve one electric rate increase, begin consideration of another

By: Joshua Haiar

Outlets: South Dakota Searchlight

Published: March 10, 2026

Words: 356

Last Updated: 4 months, 4 weeks ago

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South Dakota regulators approved an electric rate increase for Otter Tail Power on Tuesday in Pierre while starting a review of Black Hills Energy’s rate increase request.

Otter Tail Power had proposed hiking its average residential customer’s bill by $14.39 per month. The company has about 11,500 customers in northeastern South Dakota.

The Public Utilities Commission approved a settlement reducing the increase to $8.97 per month. An annual revenue increase for …

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