NSTAR is a holding company engaged in the energy delivery business. The Company, through its subsidiaries, is involved in serving approximately 1.4 million customers in Massachusetts, including approximately 1.1 million electric distribution customers in 81 communities and approximately 300,000 natural gas distribution customers in 51 communities. NSTAR derives its revenues from the sale of energy, distribution and transmission services to customers. NSTAR’s operating segments are the electric and natural gas utility operations that provide energy delivery services in 107 cities and towns in Massachusetts.