Climate Changed

First-of-Its-Kind Clean Coal Plant May Not Burn Coal at All

  • Mississippi wants deal that’d have plant fueled by gas only
  • Southern has spent years constructing the Kemper coal plant
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A first-of-its-kind “clean coal” power plant that utility owner Southern Co. spent years constructing in Mississippi may end up burning no coal at all -- and instead just run like a natural gas generator.

After years of delays and billions of dollars in cost overruns, Mississippi regulators on Wednesday called on Southern to work up a deal that would have the Kemper plant, now estimated to cost about $7.5 billion, fueled only by gas. The state Public Service Commission said in a statement that it’s looking for a solution that eliminates the risk to ratepayers “for unproven technology,” which involved converting coal into gas that could then be used to generate electricity -- all while capturing emissions.