Concord Steam Corporation provides steam district heating service to approximately 150 customers in the downtown area of Concord, N.H. and still expanding and continues to add load. Eight buildings have been added in the past two years. The cogenerated system is fueled by a combination of green woodchips, No. 6 oil, recycled waste oil and natural gas. It sells 2,000 kW of electricity to the grid for sale to Public Service Company of New Hampshire.