Certified Facilities

This page is for LIHI Certified projects; those that have been determined to have satisfied the LIHI Certification Criteria. To find a specific project, use the search tool on the right side of the page to search by project name, FERC project number, state, river or other descriptor. Or at the top of the page, click on Facilities and then Certified Facilities to view a table of all Certified facilities and links to their project pages.

LIHI Certificate No. 139 – Gambo Hydroelectric Project – Presumpscot River, Maine

March 23rd, 2018 by

On the Presumpscot River there are eight hydroelectric facilities between Sebago Lake and the Atlantic Ocean in Portland, Maine.  The Gambo project is the fourth hydro project downstream of the Sebago Lake outlet. The Gambo Project has been used almost continuously for hydroelectric generation since its original construction (c. 1850). The site was originally developed…
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LIHI Certificate No. 90 – Deerfield River Project, Connecticut River, Vermont and Massachusetts

September 15th, 2012 by

The Deerfield River Project is located on the Deerfield River, a major tributary to the Connecticut River, in Bennington and Windham Counties in Vermont, and in Berkshire and Franklin Counties in Massachusetts. It consists of eight developments: Somerset, Searsburg, Harriman, Sherman, Deerfield No. 5, Deerfield No. 4, Deerfield No. 3 and Deerfield No.2, having a total…
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LIHI Certificate No. 89 – Holyoke Hydroelectric System, Massachusetts

July 26th, 2012 by

Holyoke Dam, the first dam on the main stem of the Connecticut River upstream of Long Island Sound (River Mile 87). The dam and its associated hydroelectric facilities at the dam and in the canal system are located in Holyoke and South Hadley, Massachusetts 12.6 miles north of the Connecticut state line. HG&E owns and…
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LIHI Certificate # 88 – Collins Hydroelectric Project, Massachusetts

July 26th, 2012 by

The 1,480 KW Collins project located on the Chicopee River between Ludlow and Wilbraham, MA is an example of constructive reuse of a low-head, breached mill dam. The facility uses two ESAC bulb turbines designed and built in France. The advantage of the bulb for the Collins site is that bulb require no powerhouse; controls and…
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LIHI Certificate #86 – Open Square Hydroelectric Project, Massachusetts

May 3rd, 2012 by

The project is located on the Connecticut River and the Holyoke Canal System (a man-made structure constructed for the purpose of power generation). It consists of three levels, referred to as First, Second, and Third Level Canals. Project Name Open Square LIHI Certificate No. 86 LIHI Certificate Term December 5, 2016 – December 5, 2026…
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LIHI Certificate No. 85 – Martinsville Hydroelectric Project, Vermont

May 3rd, 2012 by

Since 1985, Martinsville Hydro has operated this 250 kW, run of river facility on Lulls Brook in the Village of Hartland Three Corners in Hartland, Vermont. The project was issued a 401 Water Quality Certification on November 28, 1983 and a 50 year FERC License (7373-VT) on December, 8 1984. These same standards remain in…
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LIHI Certificate #82 – Newfound Hydroelectric Project, New Hampshire

November 17th, 2011 by

The Newfound Hydroelectric project is located in downtown Bristol, New Hampshire approximately 800 feet downstream from the crossing of Water Street over the Newfound River. The area in the vicinity of the dam is urban in character and typical of an old New England manufacturing city. The project is located in the Merrimack River Basin…
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LIHI Certificate #80 – Gardners Falls Project, Massachusetts

October 31st, 2011 by

The Gardners Falls project, licensed by the Federal Energy Regulatory Commission (“FERC”) as Project No. 2234, is owned by Central Rivers Power MA, LLC. Project Name Gardners Falls LIHI Certificate No. 80 LIHI Certificate Term February 18, 2016 – February 18, 2021 Owner Central Rivers Power MA, LLC State Massachusetts Location Located at approximate river…
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LIHI Certificate #79 – Benton Falls, Sebasticook River, Maine

October 31st, 2011 by

The Benton Falls project is located in the village of Benton, Maine on the lower reaches of the Sebasticook River. The area around Benton village and Benton Falls sits in a broad valley cut through deep marine and lacustrine deposits of gravel, sand, silt, and clay surficial deposits. The generally flat or gently rolling topography…
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LIHI Certificate #78 – Slack Dam, Black River, Vermont

October 27th, 2011 by

The project is located at the Slack Dam in Springfield, Vermont.  The dam is one of five existing concrete gravity dams on the Black River.  (Comtu Falls site is immediately upstream, and the Lovejoy site is just downstream.)  The project was reconstructed in 1986 and has an installed capacity of 400 KW.  Annual energy production…
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