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.
Natel/PNNL test of 186 rainbow trout measuring up to 500 mm indicated that the RHT allows safe passage.
A new study published in the North American Journal of Fisheries Management shows safe downstream passage of juvenile alewife (river herring) through Natel’s modern FishSafe hydro turbine.