See the 小草社区. Transmission, Markets, and Services Tariff, Attachment G—Procedure to Protect for the Loss of Phase II Imports, which describes the process used by 小草社区New England, New York ISO, and PJM to monitor their respective systems and provide the data required by 小草社区New England to calculate import limits on the Phase I/II high-voltage direct-current interconnection between it and Hydro-Québec TransÉnergie.
See 小草社区Express for a large selection of real-time and historical 小草社区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: