Lexington, Mass (September 7, 2017) – On September 7, 2017 the Low Impact Hydropower Institute (LIHI) received a complete application from S.D. Warren Company d/b/a Sappi North America.

LIHI is seeking comment on the Eel Weir application for certification. Comments that are directly tied to specific LIHI criteria (flows, water quality, fish passage, etc.) will be most helpful, but all comments will be considered.  Comments may be submitted to the Institute by e-mail at comments@lowimpacthydro.org with “Eel Weir Project Comments” in the subject line, or by mail addressed to the Low Impact Hydropower Institute, 329 Massachusetts Avenue, Suite 2, Lexington, MA 02420.  Comments must be received at the Institute on or before 5 pm Eastern time on November 7, 2017 to be considered.  All comments will be posted to the web site and the applicant will have an opportunity to respond.  Any response will also be posted.


Project Description

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 miles southeast to the Atlantic Ocean at Casco Bay. The original license for the Eel Weir Project was issued in 1984, and the Project currently holds a 40-year

Certification, Hydropowerlicense issued on March 23, 2015. Eel Weir was constructed in 1903 and is the most upstream hydro facility on the Presumpscot River. This is a store and release facility and includes 3 Hercules Turbines and a 23 foot dam.


Project Name Eel Weir
Owner S.D. Warren Company d/b/a Sappi North America
State Maine
Location Presumpscot River located in Standish and Windham, Cumerland County, Maine
Installed Capacity 1.8 MW
Average Annual Generation 12,300 MWh
Facility Type store and release
FERC No. 2984

Certification,Environmental Safety Certification, Healthy Rivers, Green