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Video: Test of American Eel Passage Through the RHT

October 20, 2021

In September 2021, Natel conducted formal testing with PNNL on a cohort of American eel passing through the RHT test unit operating at 670 rpm under 10 m of hydraulic head. Following the test the eels were monitored for 48 hours with 100% survival.

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Video: Test of Juvenile Alewife Passage Through the RHT

In September 2021, Natel worked with Kleinschmidt Associates on a through-turbine test of juvenile alewife.

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Video: Testing Passage of Adult Rainbow Trout Through Natel's FishSafe Restoration Hydro Turbine (RHT)

Natel/PNNL test of 186 rainbow trout measuring up to 500 mm indicated that the RHT allows safe passage.

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Natel Energy Winter 2023 Newsletter

What eels really want for Christmas, FishSafe™ turbines in the EU, freshwater conservation and 3X renewables united by hydropower. Our last update of 2023.