In 2019 Tony Grassi, owner of The Mill at Freedom Falls, partnered with Natel to install the first Restoration Hydro Turbine.
Natel/PNNL test of 186 rainbow trout measuring up to 500 mm indicated that the RHT allows safe passage.
The NHA's Powerhouse published an insightful article by VP of Public Affairs Kate Stirr discussing the challenges and solutions to ensuring safe passage for eels through operating hydropower plants.