Black Hills and NorthWestern Energy Merger Approved

Black Hills Corp. and NorthWestern Energy Group have received shareholder approval for their proposed all-stock merger. The combined company will be named Bright Horizon Energy Corporation and will serve customers across eight states.

The merger remains subject to federal regulatory approvals including Hart-Scott-Rodino and FERC, plus state approvals in Montana, Nebraska, and South Dakota, along with customary closing conditions. The companies continue to expect closing in the second half of 2026.