PRESS

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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Newsletters

Natel Energy Q4 2021 Newsletter

2021 was a year of validation, bracketed by certifying our Freedom Falls plant as a Low Impact Hydro Installation, and by a suite of successful through-turbine fish passage tests in Q4.

Press

The Mussel Behind Clean Water: Why Fish Passage Matters for Water Quality

The NHA's POWERHOUSE features Kate Stirr's article on the link between clean water, freshwater mussels, and fish passage in hydropower.

Newsletters

2025 Year-in-Review Newsletter

2025 was a year for scaling and we're entering 2026 with serious momentum: large-scale hydro design study,  publication with PNNL, upcoming installations in the US and EU.