Serves electric customers by providing over 9 billion kilowatt-hours of energy a year. Offers other services through its affiliates, such as telecommunications, consulting, and utility services that cross state and national boundaries.

Regulates water, electricity, gas, and telephone utilities for Maine.

Nuclear power plant that once was the state's largest single generator of electricity. Maine Yankee is now in the process of being decommissioned and officially is shut down.

Independent telephone company in Maine. Company serves rural and suburban communities.