INDIANA — AES Indiana has received unanimous approval from the Indiana Utility Regulatory Commission (IURC) to adjust base rates for electricity. Starting in mid-May, base rates will increase by approximately 7.2 percent or a little under $10 for the average customer. While the proposed rate increase will vary among business customers, most small businesses can expect a rate increase in the 2 percent to 10 percent range. Base rates were last updated five years ago.In addition to the rate a