New England’s natural gas pipeline constraints, global supply chain issues tied to oil and liquefied natural gas (LNG) deliveries, and prolonged periods of cold weather this winter could keep the region’s electric utilities from accessing sufficient fuel to meet customer demand and trigger emergency actions, according to power grid operator ISO New England Inc.

ISO

“As we continue our work with the New England states and industry stakeholders to transition to a cleaner grid, the ISO also has to maintain real-time power system reliability,” said CEO Gordon van Welie. “In recent years, oil and LNG have filled the gaps when extended periods of very cold weather have constrained natural gas pipeline supplies.”

For this winter, however, van Welie issued a cautionary note. He...