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Two coal-fired units at Colstrip plant to retire production by 2022

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World Coal,

The owners of the Colstrip Steam Electric Station, including Talen Montana LLC (an affiliate of Talen Energy), Puget Sound Energy, Avista Corp., Portland General Electric Co., NorthWestern Corp. and PacifiCorp, have reached a proposed settlement in a lawsuit filed in 2013 by Sierra Club and the Montana Environmental Information Center under the Clean Air Act.

In the proposed settlement, they have decided to retire operations of two of the four units at the 2094 MW Colstrip plant. They intend to retire units 1 and 2 (307 MW each) on or before 1 July 2022.

Another core element of the proposed settlement includes the liability releases for the owners of all four units, without requiring monetary payments to the plaintiffs. Apart from outright dismissal of all claims against Units 3 and 4, those units are not affected by the proposed settlement.

"The proposed consent decree, if approved by the United States District Court for the District of Montana, would resolve the litigation against all four Colstrip units and provide liability releases to the owners of all four units," said Charles Baker, General Manager, Talen Montana.

Aside from the 1 July 2022 deadline in the proposed settlement, there is no formal plan or timeline currently in place for retiring units 1 and 2.

Edited from press release by Harleigh Hobbs

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