NorthWestern Energy Group Inc (NWE) is a regulated utility company that provides electricity and natural gas to customers in the northwestern United States. Revenue comes from tariff-based rates set by state and federal regulators, meaning the company bills customers for power and gas delivery under approved rate structures. The filing excerpts available do not supply sufficient detail to characterize segment revenue splits, customer counts, competitive positioning, or capital structure with the specificity required for a sourced description. Based solely on the provided 10-K cover page excerpt filed 2026-02-12 (accession 0001993004-26-000006), NorthWestern Energy Group Inc is identified as the registrant, listed as a well-known seasoned issuer under SEC Rule 405, and subject to Exchange Act reporting requirements. Further business detail from the filing body is not present in the excerpts supplied.

Source: SEC 10-K, filed 2026-02-12

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