M&A
confidence high
sentiment neutral
materiality 0.75
Avista abandons 15% Colstrip Units 3&4 interest to NorthWestern with no cash consideration
AVISTA CORP
- Avista abandons 15% undivided interest in Colstrip Units 3&4 to NorthWestern; no purchase price is paid.
- Transaction scheduled to close December 31, 2025; Avista covers operating and capital costs until closing.
- Avista retains Colstrip transmission system assets and voting rights on remediation via a vote sharing agreement.
- Driven by Washington Clean Energy Transformation Act requiring coal-free electricity for retail customers after 2025.
- Other Colstrip owners have 90-day right of first refusal; deal subject to regulatory approvals and new coal supply agreement.