Indianapolis Power and Light has broken ground on what it says will be one of the largest energy-storage facilities in the Midwest. IPL will use interconnected, advanced batteries to store up to 20 megawatts of energy.
Ken Zagzebski, president of IPL parent company AES, says the battery array will make the power grid more reliable by smoothing out variations in supply and demand.
And he says the lithium-ion batteries will reduce emissions. He says only recently have electric companies cracked the long-standing dilemma of how to store energy for when it‘s needed.