Mississippi Power is planning to repower, convert to natural gas, or retire several units at plants Watson, Sweatt and Greene County in the United States, in order to most economically comply with new federal environmental standards and meet obligations under a settlement with the Sierra Club. Mississippi Power will no longer use coal at Plant Watson, converting its two remaining coal-fired units (706 MW net) to natural gas no later than 16 April 2015. The plant already has three units that operate on natural gas. At 80 MW Sweatt plant, the company commits to retire two of the existing natural gas units, repower with more advanced technology or convert to an alternative non fossil-fuel source, no later than 31 December 2018. And at 497 MW Greene County plant, Mississippi Power will cease coal operations and convert two units to natural gas no later than 16 April 2016. Also as a part of the settlement agreement, the Sierra Club agrees to dismiss and withdraw all pending legal and regulatory challenges against the Kemper project and Plant Daniel and refrain from formally intervening in all existing and anticipated regulatory proceedings for these two plants for a period of three years, in return for certain provisions from the company which include the changes slated for plants Watson, Sweatt and Greene County. Mississippi Power agreed not to oppose certain aspects of the renewable net metering policy development currently being contemplated by the Mississippi Public Service Commission.
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