Duke Energy is commissioning a new battery energy storage system in a retired coal-fired power plant.

On January 14th, Duke Energy, an American utility company, made a statement announcing that they have commissioned a 50-megawatt battery energy storage system at the site of a former coal-fired power plant on the shore of Lake Wylie, providing services to customers in North Carolina and South Carolina. Duke Energy stated that the first energy storage system, with an investment of approximately $100 million, was completed ahead of schedule and began supplying power to customers in November of last year, with final testing to be completed this month. Construction of the second energy storage system will begin in May at the site of the demolished pollution control equipment at the power plant.