In the Transmission Ranking Cost table, what does the “level” column refer to?
The Levels represent possible transmission capacity available to accommodate potential incremental generation addition before triggering the next level of transmission upgrade. Levels are described in D.04-06-013, Page A-5: • “For each cluster, the subject utility shall identify levels of transmission capacity and related costs according to the following order: • • (i) Level 1-the transmission capacity expected to be available, which may include upgrades identified for projects in the IS0 interconnection queue with completed System Impact Studies and Facility Studies which were included in the base case in the utility’s conceptual transmission studies. • • (ii) Level 2-the transmission capacity expected to become available with the lowest cost (or most cost-effective) network upgrade in addition to upgrades included in Level 1.
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