Common use of Control Area Clause in Contracts

Control Area. An electric power system or combination of electric power systems to which a common automatic generation control scheme is applied in order to: (1) match, at all times, the power output of the Generators within the electric power system(s), and capacity and energy purchased from entities outside the electric power system(s), with the Load within the electric power system(s); (2) maintain scheduled interchange with other Control Areas, within the limits of Good Utility Practice; (3) maintain the frequency of the electric power system(s) within reasonable limits in accordance with Good Utility Practice; and (4) provide sufficient generating capacity to maintain operating reserves in accordance with Good Utility Practice.

Control Area. An electric power system (or combination of electric power systems systems) to which a common automatic generation control scheme is applied in order to: (1) match, at all times, the power output of the Generators generating units within the electric power system(s), and capacity and plus the energy purchased from entities outside the electric power system(s), minus energy sold to entities outside the electric system(s), with the Load demand within the electric power system(s); (2) maintain scheduled interchange with other Control Areas, within the limits of Good Utility Practice; (3) maintain the frequency of the electric power system(s) within reasonable limits in accordance with Good Utility Practice; and (4) provide sufficient generating capacity to maintain operating reserves in accordance with Good Utility Practice.