In September 2021, Natel worked with Kleinschmidt Associates on a through-turbine test of juvenile alewife.
Abe Schneider and Sterling Watson lay out the argument for FishSafe™ turbines in this paper published in The International Journal of Hydropower & Dams, Issue 5.
A recent study published in Transactions of the American Fisheries Society shows 100% safe passage of the endangered American Eel through Natel's Restoration Hydro Turbine.