Electric grid security and investments to serve a growing state are also key parts of the request Voluntary 'time-of-use' rates proposed to help manage customer bills PLAINFIELD, Ind., April 4, 2024 /PRNewswire/ -- A modernized electric grid more resistant to power outages, hundreds of miles of new power lines, environmental responsibilities, increased electric grid security and new systems for customer convenience are some of the key parts of Duke Energy's Indiana rate request submitted to state utility ...