# PPL Montana - Colstrip Power Plant
> **Judicial** · FY2006 · — · Litigated With Penalty
## Case
- **Activity ID:** `600009495`
- **Case Number:** 08-2006-0159
- **Type:** Judicial
- **Lead:** EPA
- **Outcome:** Litigated With Penalty
- **Penalty assessed:** —
- **Cost recovery:** —
- **Compliance action $:** —
- **Multimedia (multi-env):** —
## Defendants
- Avista Corporation (complaint) (settlement)
- North Western Energy (complaint) (settlement)
- PPL Montana (complaint) (settlement)
- Pacificorp (complaint) (settlement)
- Portland General Electric Company (complaint) (settlement)
- Puget Sound Energy (complaint) (settlement)
## Summary

This referral requests assistance from DOJ regarding violations of the Prevention of Significant Deterioration permit issued to PPL Montana. Condition 7 of the PSD permit for Colstrip Units 3 and 4 states that  Failure to implement those control measures found to constitute Best Available Retrofit Technologies (BART) shall be a violation of the permit.

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*Source: [EPA ECHO](https://echo.epa.gov/) · AI Analytics · CC0 1.0*