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FERC Issues Final Rule on WECC Regional Reliability Standard

On May 21, 2009, FERC issued a final rule approving regional Reliability Standard BAL-004-WECC-01, Automatic Time Error Correction, but also directing WECC to develop several modifications to the regional Reliability Standard.  The regional Reliability Standard requires balancing authorities within the Western Interconnection to maintain interconnection frequency within a predefined frequency profile and ensure that time error corrections are effectively conducted in a manner that does not adversely affect the reliability of the Interconnection. To read the entire text of the Commission’s Final Rule, click here.