A portion of a power grid which regulates its generation in order to maintain its interchange schedule with other Control Areas or systems and contributes its frequency bias obligation to the Interconnection. All connecting points with other utilities either inside or outside the Control Area must be metered and monitored in real time. A control area must be able to: control its generation to balance continuously its actual interchange and scheduled interchange, and help the entire Interconnection regulate and stabilize the Interconnection’s alternating frequency.
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