See the 91¶ÌÊÓÆµ. Transmission, Markets, and Services Tariff, Attachment G—Procedure to Protect for the Loss of Phase II Imports, which describes the process used by 91¶ÌÊÓÆµ, New York 91¶ÌÊÓÆµ, and PJM to monitor their respective systems and provide the data required by 91¶ÌÊÓÆµ to calculate import limits on the Phase I/II high-voltage direct-current interconnection between it and Hydro-Québec TransÉnergie.
See 91¶ÌÊÓÆµ Express for a large selection of real-time and historical 91¶ÌÊÓÆµ data and reports on external interface limits—the defined limits for the points of connection between the New England power grid and a neighboring reliability coordinator’s power grid. Examples include: