By Peter Hall PA Capital Star -April 22, 2026
The commonwealth’s two largest coal-burning power plants, which were slated to cease operation in less than three years, would remain in service through 2032 under an agreement with the Pennsylvania Department of Environmental Protection.
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Instead of shutting down, owners of the Keystone and Conemaugh generating stations in Indiana and Armstrong counties have agreed to make upgrades to reduce ash and heavy metal pollution from the wastewater the plants discharge into western Pennsylvania waterways.
Under a proposed consent decree, the plants’ owners would have until 2028 to complete the upgrades with periodic deadlines for progress. The DEP filed a motion seeking a judge’s approval Tuesday in Indiana County Court of Common Pleas.
