Abstract
In 2020, the CalWave Power Technologies Inc. team won the Nautilus Grand Prize from the first Ocean Observing Prize DISCOVER Competition. They also competed in WPTO’s Wave Energy Prize in 2016. For the 2021 Waves to Water competition, the California-based company has designed the CalWave HydroNode. The HydroNode is a lightweight, low-profile, inflatable buoy that can be deployed from a small boat. The device generates power using a winch connected to an anchor on the seabed. As waves rock the device, the motion of the winch produces energy to power a land-based, reverse-osmosis system that can supply about 6 liters of fresh water per hour.