Some major electricity suppliers in Maine are Emera Maine, Central Maine Power Company and C.N. Brown electricity. Maine's electricity market was deregulated in 2000, and electricity is supplied by private business entities.
Emera Maine has over 154,000 customers and provide electricity across 8,900 square miles. The company was previously known as the Bangor Hydro and Maine Public Service before it changed its name in 2014. The company's main business goal is to deliver efficient electricity to its customers in northern and eastern Maine. Central Maine Power serves more than 500,000 customers in Maine. C.N. Brown Electricity is family-owned and has over 65 years of energy experience.