National Grid’s energy-efficiency programs drove environmental and energy-saving benefits for customers. According to the 2012 Energy Efficiency Annual Reports filed with the Massachusetts Department of Public Utilities, National Grid electric customers saved more than 424,000 MWh of
electricity over a 12-month period. National Grid gas customers saved 14.5 million therms of gas over a 12-month period, the equivalent of heating nearly 9,000 residential homes for one year.

Last year, National Grid invested more than US$250 million on electric and gas energy-efficiency services in partnership with its customers, helping consumers to capture the benefits from energy-saving solutions in homes and businesses for years to come. Overall, these energy-efficiency investments are expected to produce nearly $1 billion of benefits across the Commonwealth, including, but not limited to, energy cost savings, water savings, reduced operating and maintenance expenses, and fossil-fuel savings. More than 1.3 million electric and gas customers participated in the programs last year, increasing comfort in their homes and reducing business costs.

In addition to the energy and economic benefits, National Grid’s energy-efficiency services produced significant environmental benefits, reducing CO2 emissions by more than 303,000 tons, which is the equivalent of taking nearly 54,000 cars off the road.

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