Including outages, NECEC averaged 84% of contracted flows and 76% of its 1,200 MW rating in summer
Daily average and daily maximum NECEC flow into ISO-NE (MW), from May 1
Source: ISO-NE, Modo Energy
Note: The line entered commercial operation on January 16, 2026. Observed interruptions in the flow data ran May 25-June 8 and August 24-30, with an earlier window on April 7-17 before the plotted period. ISO-NE reported the May window as a planned outage of the Merrill Road-Larrabee delivery line. Data through September 30, 2026.
MODOENERGY