TVA said three new natural gas-fired units came online July 25 at the Colbert Combustion Turbine Plant in near Tuscumbia in North Alabama.

The three new units add about 750 MW of capacity to the federal utility’s fleet. TVA spent about $500 million to build the three new gas-fired turbines.

The decommissioned coal-fired Colbert Fossil Plant was imploded at the site about two years earlier.

TVA has or is planning to add more natural gas-fired capacity at its Paradise, Allen, Cumberland and New Johnsonville former coal plant sites.

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