Utility Seeks New License for New Hampshire Dam
Published Date: 6/3/2026
Notice
Summary
Green Mountain Power wants to keep running its Glen Hydroelectric Project on the Mascoma River in New Hampshire and has officially asked for a new license. The public can now share their thoughts, protests, or ideas by July 28, 2026, which could affect how the project operates and protects the environment. This process helps make sure the project stays safe, clean, and fair for everyone involved.
Analyzed Economic Effects
3 provisions identified: 3 benefits, 0 costs, 0 mixed.
Hydro Plant Will Keep Operating
Green Mountain Power proposes to continue operating the Glen Hydroelectric Project on the Mascoma River in New Hampshire with an installed capacity of 1,485 kilowatts (kW) and an average annual generation of about 2,782 megawatt-hours (MWh). If licensed, the project would remain connected to the local grid via a 2.4/13.2-kilovolt step-up transformer.
Minimum Flow of 40 cfs Continues
The applicant proposes to continue operating the project in run-of-river mode and to release a continuous minimum flow of 40 cubic feet per second (cfs) or inflow to the impoundment, whichever is less, to the 4,300-foot bypassed reach of the Mascoma River. This requirement is measured immediately downstream from the project dam.
Seasonal Tree-Removal Restriction Protects Bats
Green Mountain Power proposes to avoid removing trees greater than 3 inches in diameter at breast height on project lands from April 15 through October 31 to minimize potential impacts to northern long-eared and tricolored bats. This seasonal restriction would apply on project lands during those dates.
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Key Dates
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