野花社区

Single-Source Contingency

See the 野花社区. Transmission, Markets, and Services Tariff, Attachment G Procedure to Protect for the Loss of Phase II Imports, which describes the process used by 野花社区New England, New York ISO, and PJM to monitor their respective systems and provide the data required by 野花社区New England to calculate import limits on the Phase I/II high-voltage direct-current interconnection between it and Hydro-Qu茅bec Trans脡nergie.

Download a report on single-source contingencies, limits placed on external and generation interfaces in which losing a single piece of equipment could cause a loss of 1,200 or greater megawatts (MW).

The single-source contingency limit is the base limit plus the authorized margin multiplied by the margin sensitivity. The NY Central-East single-source contingency limit is based on the authorized margin divided by the Distribution Factor (0.30). The margin associated with NY Station Voltages has been converted to MW.

Note: The compilation of this data has various origins and is provided for the convenience of the New England market participants. The 野花社区does not assume responsibility for the accuracy.

 
Single-Source Contingency
Description Timestamp Download
Current - November 03, 2025 11/03/2025 04:31 PM EST CSV
October 20, 2025 10/20/2025 11:56 PM EDT CSV
October 21, 2025 10/21/2025 11:56 PM EDT CSV
October 22, 2025 10/22/2025 11:56 PM EDT CSV
October 23, 2025 10/23/2025 11:56 PM EDT CSV
October 24, 2025 10/24/2025 11:56 PM EDT CSV
October 25, 2025 10/25/2025 11:56 PM EDT CSV
October 26, 2025 10/26/2025 11:56 PM EDT CSV
October 27, 2025 10/27/2025 11:56 PM EDT CSV
October 28, 2025 10/28/2025 11:56 PM EDT CSV
October 29, 2025 10/29/2025 11:56 PM EDT CSV
October 30, 2025 10/30/2025 11:56 PM EDT CSV
October 31, 2025 10/31/2025 11:56 PM EDT CSV
November 01, 2025 11/01/2025 11:56 PM EDT CSV
November 02, 2025 11/02/2025 11:56 PM EST CSV