Mathematical Algorithms for Calculation of ATC for Schedule 21-VTransco Planning Horizon
Planning Horizon
ATCF = (TTC-CBM-TRM-ETCF)
ATCNF = (TTC-CBM-TRM- ETCF- ETCNF )
Operating Horizon
ATCF = (TTC-CBM-TRM-ETCF)
ATCNF = (TTC-CBM-TRM- ETCF- ETCNF + PostbacksNF)
Scheduling Horizon
ATCF = 0
ATCNF = TTC
VTransco performs the above calculations for its non-PTF internal interfaces. These calculations are consistent with the ISO calculations for Available Transfer Capability. TRM and CBM for VTransco’s non-PTF posted paths are zero.