secwatch.observer — SEC 8-K summary
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Issuer:     BLACK HILLS CORP /SD/ (BKH)
CIK:        0001130464
Form:       8-K
Filed at:   2026-05-15T20:27:31+00:00
Accession:  0001193125-26-226896
Event type: other_material
Sentiment:  neutral
Materiality: 0.60
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

NorthWestern Q1 net income down 18% YoY; merger with Black Hills on track for H2 2026
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- NorthWestern Q1 2026 net income $63.5M ($1.03 diluted EPS) vs $76.9M ($1.25) YoY.
- Revenue $497.6M, up 6.6% YoY from $466.6M, on higher electric and gas revenue.
- Merger with Black Hills: shareholders approved in Apr 2026; HSR period expired; settlements in NE, MT, SD filed.
- Regulatory approvals pending from MPSC, NPSC, SDPUC, and FERC; hearings scheduled in Q2 2026.
- Colstrip acquisitions (Avista/Puget interests) closed Jan 1, 2026; interim PCCAM waiver approved.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1130464/000119312526226896/0001193125-26-226896-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1130464/000119312526226896/bkh-20260515.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-226896

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