Thursday, October 1, 2020 AEL&P News, Press Releases COPA Cost of Power Adjustment Decrease Effective October 1, the fourth quarter Cost of Power Adjustment (COPA) decreased from $0.008438 per kWh to $0.000997 per kWh. This is a decrease of $0.007441 per kWh, or about seven-tenths of a cent, over the previous quarter. For a customer using 850 kWh per month, this results in a $6.32 decrease to their bill. Billing , Customers Print Previous Article Next Article