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Natural Gas Distributors

Regulated Local Distribution Companies Currently Authorized To Serve In Maine

Northern Utilities, d/b/a Unitil, provides natural gas service to approximately 27,000 customers in Greater Portland, Lewiston/Auburn and Kittery. Unitil is headquartered in Hampton, New Hampshire. Unitil’s rates for each customer class may be found at Unitil’s rates are composed of two components – its delivery (or transportation) rates, its gas supply rates. The latter is subject to change every six months

Bangor Gas Company, L.L.C. serves customers in Bangor, Brewer, Veazie, Orono, and Old Town, and is installing pipeline to serve Bucksport. Bangor Gas is a wholly-owned subsidiary of Energy West. Bangor Gas obtains its gas supply via the Maritimes and Northeast interstate pipeline. Bangor Gas offers sales service to all classes of customers and transportation-only service to all Commercial and Industrial customers. Bangor Gas has a monthly cost of gas rate and a budget payment plan. Bangor Gas’s rates can be found on its web page at

Maine Natural Gas, Corporation currently serves customers in Windham, Gorham, Bowdoin, Topsham, Brunswick and Freeport, and is installing pipeline for service in Augusta.  Maine Natural Gas is a subsidiary of Iberdrola USA, headquartered in New Gloucester, Maine, which is owned by Iberdrola SA of Spain.  Maine Natural Gas offers transportation-only service to all commercial and industrial customers and sales service to all classes of customers. Maine Natural Gas has a monthly cost of gas rate and also offers a Fixed Price Option for the cost of gas. For more information visit Rates & Tariff.


Summit Natural Gas of Maine, Inc. is authorized to serve customers in towns throughout the Kennebec Valley region, from Richmond to Augusta to Madison.  Summit Natural Gas obtained the PUC’s approval to serve customers in January 2013.  Summit Natural Gas' delivery rates and service terms for each customer class may be found at Rates & Tariff | Summit Natural Gas of Maine.  Summit Natural Gas offers conversion incentives to prospective customers under its rebate program. Customer rates are composed of delivery and supply components, both of which are subject to annual adjustment.  Summit Natural Gas offers a transportation-only service to commercial customers.