Low Impact Hydropower Institute

The Low Impact Hydropower Institute (LIHI) is a 501(c)3 non-profit organization whose primary purpose is to: 1) set criteria for characterizing hydropower facilities that are low impact; 2) conduct a program to certify that hydropower facilities meet these criteria; and 3) make information about the impacts of hydropower available to the public.

LIHI’s Certification Program encourages a range of benefits associated with healthy rivers and enables Low Impact projects to access renewable energy markets.


What's New at LIHI

August 6, 2020

Preliminary Decision – Recertification of the Webster Pembroke Project, LIHI #118

Lexington MA (August 6, 2020): The Low Impact Hydropower Institute (LIHI) has preliminarily approved the Webster Pembroke Project (LIHI #118) for a new 5-year term of […]
August 4, 2020

Final Decision – Recertification of the Bowersock Mills Project, LIHI #15

Lexington MA (August 4, 2020): The decision to recertify the Bowersock Mills Project became final after the close of the appeals period on August 1, 2020 […]
August 3, 2020

Sherman Island Project – Complete Application Received

Lexington MA (August 3, 2020): The Low Impact Hydropower Institute has received a complete application for Low Impact Certification of the Sherman Island Hydroelectric Project.  LIHI […]

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