Scheduling techniques can be applied to leverage off-peak utility rates and use thermal facility to store chilled water. This results in a win for the utility, Progress Energy, and the customer, UCF. …
… “The Thermal Energy Storage Facility — the only one of its kind at a Florida university — allows UCF to chill water at night, taking advantage of Progress Energy’s off-peak energy rates, which are approximately 50 percent lower than daytime rates. ” …
Via Univ of Central Florida: Energy Rebate
Progress Energy Off-Peak Schedule: “You reduce your bill by shifting your electric use to off-peak periods and staggering the use of major appliances (such as your electric water heater, dishwasher and dryer) during on-peak hours. You are charged a lower rate for electricity used during off-peak periods. ”