The Tennessee Valley Authority (TVA) will spend as much as $5 billion to reduce coal-plant emissions to settle allegations of Clean Air Act violations at 11 coal-fired power plants in three states, the U.S. Environmental Protection Agency said on Thursday. Federally owned TVA also will retire 18 older coal-fired units at three power plants, totaling 2,700 megawatts, starting next year, TVA said in a release. TVA operates about 17,000 MW of coal-fired generation.

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