This article from the Water Power Technologies Office includes a photograph of Natel's technology and encourages the adoption of turbines that are safe for fish to pass through.
TIME covers Gia and Abe Schneider’s commitment to delivering reliable, renewable energy with water while also envisioning how hydropower could be used as a tool for ecosystem restoration.
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.