Summary: Revises Tariff WN U-60, Schedule 141COL - Colstrip Adjustment Rider. This filing also includes an Annual Report per Final Order, UE-170033. Increases overall revenue requirement by $0.9 million, or 0.03 percent. A typical residential customer using 800 kWh per month would experience an increase of $0.05, or 05 percent, to their bill.
