This page catalogs 9 hydro energy projects on Keys for Tomorrow, a sub-category of Energy. Examples include Turbulent (eco-friendly hydroelectric turbines), Hydrokinetic Energy Corp (harnessing ocean currents), and Rentricity (converting water pressure into renewable energy). What counts as a Hydro energy project on Keys for Tomorrow? A project is listed under Hydro energy if it operates within energy but has a specific, narrower focus that this sub-category captures. There are currently 9 such projects catalogued on the platform.