
By Dave Beavers To further explore the question, “Where does my electricity come from?” (See “Follow Belmont Electricity From Source to Socket“, BCF Newsletter, July/August 2025), this article considers what happens upstream of the Belmont Light substation at Blair Pond. Beyond Blair Pond Our Blair Pond substation is supplied by a transmission line from Alewife which connects Belmont to the New England grid. The Independent System Operator of New England (ISO-NE) operates the grid and administers the wholesale electricity market in New England. It is one of seven regional grid operators in the United States. Belmont Light is a stakeholder [READ MORE]













