Watera provides water treatment solutions with the use of renewable energy in France. The company offers OSMOSUN that provides sea and brackish water, reverse osmosis desalination units; OSMO-WATT, a containerized solar powered solution for seawater and brackish water desalination; OSMOSUN TAPS, an integrated drinking water production solution for remote areas; and OSMOSUN NOMAD, a water treatment unit. The company also operates in the low-carbon water market and develops and sells patented, clean, and sustainable solutions for solar-powered, battery-free seawater and brackish water desalination. It serves remote communities, municipal, emergency situations, agriculture, hotels, base camps, and industrial activities, and mining industries. The company was formerly known as Osmosun S.A. and changed its name to Watera in March 2026. Watera was incorporated in 2014 and is based in Gellainville, France.