What is the billing measurement for demand?

Cloverland Electric Cooperative calculates this demand every hour throughout each day of the billing cycle. The demand charge is the single highest hourly load measured during the peak hours of 8 AM - 9 PM in the monthly billing cycle. During the month, the highest load on Cloverland’s electric system during the peak hours costs $0.93 per kilowatt (kW) on the demand charge line on your monthly bill.