NorthWestern Energy issues $100 million add-on to 2030 Montana first mortgage bonds
NorthWestern Corporation, a subsidiary of NorthWestern Energy Group, sold an additional $100 million of Montana First Mortgage Bonds maturing March 21, 2030, bringing the outstanding 2030 Notes to $500 million. The filing states the proceeds will fund capital expenditures, working capital including paying down revolving credit facility debt, and general corporate purposes, and that the bonds carry a 5.073% interest rate.
Key points
- Additional $100 million principal issued November 7, 2025, bringing total 2030 Notes to $500 million
- Interest rate of 5.073% per year, paid semi-annually on March 21 and September 21, starting March 21, 2026
- Proceeds intended for capital expenditures, working capital including revolver paydown, and general corporate purposes
- Bonds were sold to initial purchasers without SEC registration, under Rule 144A and Regulation S exemptions
The filing
Written by AI on Nov 8, 2026, 1:05 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on November 13, 2025.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.