NSTAR is an electric and gas company. The Company is engaged in the delivery of electricity and natural gas to customers in eastern, central and southeastern Massachusetts. The Company transmits and delivers electricity to 1.1 million electric customers in 81 communities and nearly 300,000 gas customers in 51 communities. It is an operating company of Northeast Utilities. The Company offers Home Heating Protection Plan. The Company�s electric service is separated into two components: delivery services and supplier services. The two supplier service options under the supplier services section. It also deliver power to the home or business, read the meter, care for the poles and wires, provide customer service, and restore power when there is a service interruption.