Public Service Company of New Hampshire.
Yes, and probably will for quite a while. See this link:www.psnh.com/SharePDFs/HEATSMARTQ_A.pdf
If there is an ample supply of water that does not have a negative effect on the environment in other ways in its utilisation, the Beuty of hydro electric power is that the turbines that run the generators are not pumping out any carbon into the atmosphere.