• NorthWestern Energy proposed merger with Black Hills to strengthen enterprise supporting its Montana utility, targeting long-term reliability and investment capacity.
• Transaction positioned as separate from debate over serving large new energy users such as data centers.
• Montana Public Service Commission oversight of rates and reliability would remain in place, with any future rate changes subject to public review.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Northwestern Energy Group Inc. published the original content used to generate this news brief on May 11, 2026, and is solely responsible for the information contained therein.