# BLACK HILLS CORP /SD/ (BKH) — litigation/settled [pending]
Source: SEC API (secapi.ai) · situation sit_d4e234c5959b6b24185e · retrieved 2026-08-12T07:19:25.717Z

## Overview
Black Hills Corporation is a customer-focused utility company serving more than 1.37 million natural gas and electric utility customers across eight states (Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota, and Wyoming) through its electric and gas utility subsidiaries.

Black Hills Corporation and NorthWestern Energy Group, Inc. announced a tax-free, all-stock merger on August 19, 2025. The transaction is expected to close by year-end 2026, pending final regulatory approval from the Montana Public Service Commission. All other closing conditions and regulatory approvals have been satisfied, including shareholder approvals from both companies, Hart-Scott-Rodino Act clearance, and approvals from the Federal Energy Regulatory Commission and regulatory commissions in Nebraska and South Dakota.

## Terms
- Counterparty: NorthWestern Energy Group, Inc. · Consideration: stock

## Key dates
- Announced 2026-08-05 · Expected close 2026-12-31

## Timeline
- 2026-08-05 · 8-K (0001193125-26-335259): 8-K - BLACK HILLS CORP /SD/ — *Black Hills Corporation is a customer-focused utility company serving more than 1.37 million natural gas and electric utility customers across eight states (Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota, and Wyoming) through its electric and gas utility subsidiaries.* Black Hills Corporation and NorthWestern Energy Group, Inc. announced a tax-free, all-stock merger on August 19, 2025. The transaction is expected to close by year-end 2026, pending final regulatory approval from the Montana Public Service Commission. All other closing conditions and regulatory approvals have been satisfied, including shareholder approvals from both companies, Hart-Scott-Rodino Act clearance, and approvals from the Federal Energy Regulatory Commission and regulatory commissions in Nebraska and South Dakota.
  https://www.sec.gov/Archives/edgar/data/1130464/0001193125-26-335259.txt

## Citations
- 0001193125-26-335259 — https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&type=&dateb=&owner=include&count=40&search_text=000119312526335259