There are three regulated gas distribution utilities and one steam distribution utility serving approximately 117,000 customers in the state of New Hampshire.  National Grid NH and Unitil/Northern Utilities are natural gas distributors.  New Hampshire Gas Corp. is a propane air gas distributor.  Concord Steam Corp. is a steam distributor.

National Grid NH   http://www.nationalgrid.com/
As of December 31, 2009 National Grid NH listed in its annual report a total of 86,008 gas customers, located throughout the Merrimack River valley from Nashua to the Lakes Region, with a few more in Berlin, New Hampshire.  National Grid NH’s operations were formerly known as EnergyNorth Natural Gas, Inc. prior to being acquired by KeySpan in November 2000.  KeySpan was acquired by National Grid in 2007.  National Grid NH continues to maintain natural gas operations facilities in Nashua, Manchester and Tilton and a regional corporate operations center in Waltham, Massachusetts. 

Unitil/Northern Utilities, Inc.   http://www.unitil.com/
As of December 31, 2009 Unitil/Northern Utilities listed in its annual report a total of 29,566 gas customers in the southeastern and seacoast areas of New Hampshire.  Unitil/Northern has a staffed New Hampshire operations facility in Portsmouth and corporate operations in Hampton, New Hampshire.  Unitil acquired Northern Utilities in 2008 from Bay State Gas Company of Massachusetts, a NiSource company.

New Hampshire Gas Corp.
As of December 31, 2009 New Hampshire Gas Corporation listed in its annual report a total of 1,108 customers in Keene, New Hampshire.  New Hampshire Gas Corp. has both an operations facility and a business office in Keene, New Hampshire and receives additional managerial expertise from Berkshire Gas Company in Pittsfield, Massachusetts.  New Hampshire Gas Corporation is a subsidiary of Berkshire Gas Company of Massachusetts, which is owned by Iberdrola, a large energy company based in Spain.

Concord Steam Corp.  http://www.concordsteam.com/ 
As of December 31, 2009 Concord Steam Corporation served distributed steam to approximately 80 customers in the immediate downtown area of Concord, New Hampshire.   Concord Steam has a steam plant, operations facility and business office located in Concord, New Hampshire.  Concord Steam Corp. is a locally owned corporation.

These regulated utilities offer competitive energy alternatives to customers in their service territories. This site is designed to assist you in determining if those energy sources are available to you, what services may be available and a cost comparison with alternative fuels. For specific details, please contact the utility serving your community.

Last updated 8/19/10