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. 141 – Mallison Falls Hydroelectric Project – Presumpscot River, Maine

March 23rd, 2018 by

Project Description On the Presumpscot River there are eight hydroelectric facilities between Sebago Lake and the Atlantic Ocean in Portland, Maine.  The Mallison Falls project is the sixth hydro project downstream of the Sebago Lake outlet. Project Name Mallison Falls LIHI Certificate Number 141 LIHI Effective and Expiration Dates  September 5, 2017 – September 4,…
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LIHI Certificate No. 140 – Little Falls Hydroelectric Project – Presumpscot River, Maine

March 23rd, 2018 by

Project Description On the Presumpscot River there are eight hydroelectric facilities between Sebago Lake and the Atlantic Ocean in Portland, Maine.  The Little Falls project is the fifth hydro project downstream of the Sebago Lake outlet. Project Name Little Falls LIHI Certificate Number 140 LIHI Effective and Expiration Dates September 5, 2017 – September 4,…
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LIHI Certificate No. 138 – Dundee Hydroelectric Project – Presumpscot River, Maine

March 23rd, 2018 by

Project Description On the Presumpscot River there are eight hydroelectric facilities between Sebago Lake and the Atlantic Ocean in Portland, Maine. The Dundee project was originally constructed in 1913 and is the third hydro project downstream of the Sebago Lake outlet. Project Name Dundee LIHI Certificate Number 138 LIHI Effective and Expiration Dates  September 5,…
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LIHI Certificate No. 137 – Eel Weir Hydroelectric Project – Presumpscot River, Maine

March 23rd, 2018 by

Project Description On the Presumpscot River there are eight hydroelectric facilities between Sebago Lake and the Atlantic Ocean in Portland, Maine. The headgate of the Eel Weir hydroelectric project is located at the outlet of Sebago Lake in the towns of Windham and Standish, Maine. The Presumpscot River originates from this point and extends roughly 25…
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LIHI Certificate No. 139 – Gambo Hydroelectric Project – Presumpscot River, Maine

March 23rd, 2018 by

Project Description 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…
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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 Number 86 LIHI Effective and Expiration Dates December 5, 2016 and expires…
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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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