A power outage is planned for Mon Power customers on Monday, April 21, to perform transmission upgrades, Hancock County officials announced Wednesday morning on its Facebook page. The outage will affect all customers between 1 and 5 p.m. out of the South Chester Substation. In the event of inclement weather, the planned outage will be rescheduled for Tuesday, April 22, same time. If you have any questions, call: 800-686-0022. Mon Power expressed gratitude to its customers for their patience and understanding.