This report, Available Transfer Capability Definitions and Determination, is in response to a NERC

Strategic Initiative to “develop uniform definitions for determining Available (Transmission) Transfer

Capability (ATC) and related terms that satisfy both [Federal Energy Regulatory Commission] FERC and

electric industry needs, and which are to be implemented throughout the industry.” The NERC Board of

Trustees at its May 13–14, 1996 meeting approved this report and endorsed its use by all segments of the

electric industry