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About Our Energy Portfolio
Concord Light overview

Concord Light is a municipal-owned electric utility under the direction of the Town Manager with approximately 110 miles of streets in the service territory, and 8,085 meters providing 190,000 MWhs to 6,785 residential; 1,219 commercial; and 81 municipal customers. Fifty-one percent of revenue comes from commercial and industrial customers; 43 percent from residential customers, and 6 percent from municipal customers.

Concord Light maintains a grid that consists of a Town-owned distribution system with substations, power lines, light poles, and transformers. We operate 3 electric distribution substations, and the substation at Forest Ridge is the primary substation which functions as a gateway for all electricity coming into Concord from NSTAR.

Power supply portfolio

Concord Light does not generate electricity; we purchase power through individual suppliers outside of Concord with whom we have "power purchase agreements" which specify the pricing per kWh for the power we use. One of Concord Light’s objectives in the area of power supply is to purchase as much energy from renewable sources as possible provided the economics are in line with more conventional power supply options.

In addition to our power purchases, we are charged for transmission of power to our Forest Ridge substation by the Independent System Operation-New England (ISO-NE). The ISO is responsible for creating and managing the wholesale market for electricity, operation of the power grid and ensuring adequate capacity in New England. While we are an independent municipal utility, we are part of the larger ISO-NE power grid.


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