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.

LIHI Certificate #121 – Lawrence Hydroelectric Project, Massachusetts

July 1st, 2015 by

The Lawrence Project is located on the Merrimack River in the city of Lawrence, Essex County, Massachusetts. The Project works consist of: (1) a 33-foot high, 900-foot-long dam of rubble masonry construction with five-foot-high inflatable flashboard system; (2) a 9.8-mile-long reservoir having a surface area of 655 acres at normal high water elevation 44.17 feet mean sea…
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LIHI Certificate #123 – Stevens Mill Project, New Hampshire

March 11th, 2015 by

The Stevens Mill Hydroelectric Project is located in Franklin, N.H. Franklin is in the Lakes Region of central New Hampshire. The Winnipesaukee River drains New Hampshire’s largest lake, Lake Winnipesaukee, and flows southwest 10.5 miles to join with the Pemigewasset River, forming the Merrimack River. The Project is 1.5 miles upstream of the confluence of the Winnipesaukee…
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LIHI Certificate #122 – Downer’s Mills Project, Vermont

March 6th, 2015 by

The Downers Mill Hydroelectric Project is located at Quechee village in the town of Hartford, Vermont approximately seven miles upstream of the Ottauquechee River’s confluence with the Connecticut River. With a watershed area of 223 square miles and a length of 38 miles, the Ottauquechee River is a major tributary of the Connecticut River. The river descends from…
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LIHI Certificate #118 – Webster Pembroke Project, New Hampshire

February 25th, 2015 by

Webster-Pembroke Project is located on River Mile 34 (of 36) on the Suncook River near Pembroke, New Hampshire. The project is located approximately one half mile upstream of the China Mill Dam and confluence of Suncook and Merrimack Rivers and approximately 16 miles downstream of the Pittsfield Mill Dam. The river runs for 35.7 miles, from…
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LIHI Certificate #117 – Clement Dam Project, New Hampshire

February 17th, 2015 by

  The Clement Hydroelectric Project is a 2.4 MW facility located on the Winnipesaukee River in the town of Tilton, Belknap County, in central New Hampshire. The project is located roughly four miles downstream of the 1 MW Lochmere Hydroelectric Project and two and one-­‐half miles upstream of the 2 MW Stevens Mill Hydroelectric Project (currently…
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LIHI Certificate #120 – Gregg’s Falls Hydroelectric Project, New Hampshire

June 23rd, 2015 by

The Gregg’s Falls facility is located on the Piscataquog River near the town of Goffstown, New Hampshire.  The site was historically used for the generation of electrical energy and was decommissioned in the 1970’s. A major refurbishment was undertaken in 1985, which included the installation of two new turbines and generators and the replacement of…
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LIHI Certificate #116 – Holtwood Hydroelectric Project, Pennsylvania

June 23rd, 2014 by

The Holtwood Project is located on the Lower Susquehanna River at approximately River Mile 25 in Lancaster and York Counties in south-central Pennsylvania as shown in Figure 1.  The Project is situated approximately seven miles north of the Pennsylvania/Maryland border, and is one of five hydroelectric projects located along the lower Susquehanna River.  Four of…
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LIHI Certificate #115 – Glendale Hydroelectric Project, Massachusetts

August 24th, 2014 by

The Glendale Project consists of:  (a) a 250-foot-long, 30-foot-high concrete gravity dam with a 182-foot-long spillway and a gatehouse containing two manually-operated 10- by 10-footsquare canal intake gates and a waste gate slot equipped with two 8- by 8-foot-square waste gates; (b) a new 165-kW turbine generating unit downstream of the gatehouse equipped with new…
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LIHI Certificate #114 – Mahoning Creek Hydroelectric Project, Pennsylvania

June 18th, 2014 by

On March 4th 2011, the Federal Energy Regulatory Commission (hereafter referred to as “the Commission” or “FERC”) issued an order granting an original license to the construct, operate and maintain the proposed 6.0 MW Mahoning Creek Hydro Electric Project No. 12555 (hereafter referred to as “Mahoning Creek” or “the Project”) to the Mahoning Creek Hydroelectric…
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LIHI Certificate #113 – Milford Hydroelectric Project, Maine

February 12th, 2014 by

The Milford Project consists of two dams, the Milford Dam, on the main stem of the Penobscot River (“River) at river mile 33.25, and the Gilmans Falls Dam, located on the Stillwater Branch. The Project is in Milford and Old Town, Penobscot County, Maine. The Penobscot River Basin (“Basin”) is New England’s second largest river…
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