A “power caution” advisory doesn’t rise to the level of an immediate emergency; however, it is a warning sign that consumers of energy in Massachusetts and throughout New England should be aware of, especially those who make energy policy decisions and those who pay utility bills.
ISO New England, the regional power grid operator, issued a power caution advisory on Sunday, November 23, 2025, the second such advisory since June 14, 2025.
ISO New England, Inc. (ISO-NE) is an independent, nonprofit regional transmission organization based in Holyoke, Massachusetts, that serves the six New England states by operating the region’s bulk electric power system, as well as its generation and transmission lines…