Solution | Product

Osmosun Sea Water & Brackish Water

Battery-free, solar desalination solution, supplying affordable freshwater to remote communities

OSMOSUN® is a unique reverse osmosis desalination technology that continuously adapting to available sunlight to supply affordable, sustainable freshwater.

Relying on sunlight as a power source, the desalination unit is sustainable and fully independent. To produce drinking water, pressurised seawater is taken through membranes, where the reverse osmosis process takes place. Its intelligent system is specifically engineered to adapt its pump and the pace of the motor in accordance with the amount of sunlight available, which can vary widely and suddenly. All parameters are continuously and instantly optimised to ensure the best energy performance and guarantee the maximum lifetime of the installation and of its delicate membranes.

Key features for a positive impact on quality of life

  • Fully solar-powered, adapts to continue functioning with available sunlight, and with no battery
  • Able to desalinate water using 15% less energy compared to other advanced technologies
  • Designed for longevity in remote locations, using sturdy components and with limited maintenance needs
  • Can act as a variable load regulation appliance when in hybrid mode on weak electricity networks


  • Pays for itself within 4-7 years, depending on local energy costs.
  • Osmosun desalination units are cost competitive as soon as the electricity cost is above 0,13€/kWh

OSMOSUN by Mascara

The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances.

Mascara Renewable Water

28630 Le Coudray, France

Activity regions
Melanesia, Micronesia, Polynesia, Djibouti, Eritrea, Kenya, Comoros, Madagascar, Mauritius, Mozambique, Réunion, Seychelles, Somalia, French Southern Territories, Mayotte, Egypt, Western Sahara, Morocco, Tunisia, Namibia, South Africa, Burkina Faso, Cape Verde, Mali, Mauritania, Saint Helena, Senegal, Antigua and Barbuda, Anguilla, Aruba, Barbados, Saint Barthélemy, Bonaire, Sint Eustatius and Saba, Bahamas, Cuba, Curacao, Dominica, Dominican Republic, Grenada, Guadeloupe, Haiti, Jamaica, Saint Kitts and Nevis, Cayman Islands, Saint Lucia, Saint Martin, Martinique, Montserrat, Puerto Rico, Sint Maarten, Turks and Caicos Islands, Saint Vincent and the Grenadines, British Virgin Islands, U.S. Virgin Islands, Japan, Iran, Sri Lanka, Maldives, Indonesia, Philippines, United Arab Emirates, Kuwait, Oman, Greece, Italy, France, Australia,

View company profile


Solutions helps to achieve these SDG's.

  • Clean water and sanitation

Maturity stage

Looking for

Visibility and opportunities for awareness raising on the technology's potential.

Categories of application