Eversource to sell 12 power plants including nine hydroelectric facilities

The New Hampshire Public Utilities Commission has approved the sale of 12 Eversource Energy power plants, including nine hydroelectric facilities, within a settlement agreement between the state and the utility to better serve customers.

The plants will be sold at auction overseen by the PUC, which approved the sale July 1. Eversouce made the initial agreement with key state officials in March 2015.

The company’s nine hydroelectric power plants are located throughout New Hampshire. The plants and their approximate capacity [some of these numbers may be outdated, they were not readily available on the Eversource website] are:

  • 16-MW Amoskeag Hydro in Manchester;
  • 8.4-MW Ayers Island in Bristol;
  • 1.1-MW Canaan Hydro in West Stewartstown;
  • 6.4-MW Eastman Falls, in Franklin;
  • 12.3-MW Garvins Falls in Bow;
  • 2.15-MW Gorham Hydro in Gorham;
  • 1.6-MW Hooksett Hydro in Hooksett;
  • 3.5-MW Jackman Hydro in Hillsborough; and
  • 15.2-MW Smith Hydro in Berlin.

Eversource’s three fossil-fuel plants include the coal-fired Merrimack Station, Newington Station and Schiller Station in Portsmouth

Commissioners estimated US$165 million in saving during the first five years.

The agreement allows Eversource to recover $415 million from customers of the cost to install a mercury scrubber at Merrimack Station. Eversource agreed to forgo $25 million of the scrubber’s cost, which the PUC found “reasonable.”

Eversource would eventually purchase power on the competitive market, in line with the practices of other utilities.


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Gregory B. Poindexter formerly was an associate editor for HydroWorld.com.

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