The rising costs of electricity and the insatiable demand for power will require new plants and technologies, as well as the easing of rules such as permitting reform, Exelon CEO Calvin Butler said Thursday. “It’s supply and demand. We have inadequate supply to meet this rising demand, and until we address that issue, all of our bills are going to continue to go up,” Exelon CEO Calvin Butler said at Semafor World Economy in Washington, DC.