Groups threaten TVA with lawsuit over Clean Air Act violations at Cumberland plants

By Dan Radmacher | June 26, 2026 |
Under TVA's plan, smokestacks at the Cumberland Fossil Plant would continue to spew pollution into the air. Photo by Angie Mummaw

The Southern Environmental Law Center, on behalf of Appalachian Voices, the Center for Biological Diversity and the Sierra Club, has notified the Tennessee Valley Authority of the groups’ intent to sue the federal utility because the construction and operation of its newly built Cumberland Gas Plant alongside the nearby coal plant violates the federal Clean Air Act.

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