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A solar-powered distillation system for sustainable desalination of complex water supplies

April 2020
Gallery Desolenator 1
Gallery Desolenator 1


Through an integrated system combining optimised distillation, a novel heat exchange mechanism and remineralisation, Desolanetor provide safe, drinking water using only sunshine and seawater.

Today industrial desalination uses 0.4% of the global annual electricity and is on track to be responsible for 5% of global carbon emissions by 2040. Addressing this challenge, Desolenator uses no membranes, chemicals or polluting diesel, unlike traditional technologies. Instead, the patented technology uses the planets most abundant resource – the sun. By harvesting thermal and electrical energy from an integrated PVT panel, Desolenator produces high-quality water, monitored via a control panel. This solution eliminates external energy requirements, aiming to provide drinking water for all at low cost and with low environmental impact.

  • /
Label Date April 3, 2020
From Netherlands
Maturity stage Prototype testing in the real world
Looking For Visibility; Funding opportunities, Partnership opportunities

Implementation Stories

Desolenator by Desolenator
Implemented by Silal in Abu Dhabi (United Arab Emirates) in 2023

Silal is a prominent food, agriculture, and technology company in Abu Dhabi.


The project aims to produce pure water for irrigation with a zero-carbon footprint to decarbonize food production.

Desolenator by Desolenator
Implemented by Carlsberg Group in Bengal (India) in 2020

Carlsberg Group announces partnership with Desolenator, the world’s first solar thermal sustainable water purification technology, to create clean drinking water for a town of 4,000, in the Sundarbans in West Bengal, India. The area has been hard hit by climate change and water scarcity, with the groundwater contaminated by salt water. The situation has been compounded in 2020 by COVID-19 and Cyclone Amphan, with water being trucked into some areas. The sustainable desalination project, due to complete mid-2021, will create 20,000 litres of clean drinking water using the heat and power of the sun.


The sustainable desalination project, due to complete mid-2021, will create 20,000 litres of clean drinking water using the heat and power of the sun.

Desolenator by Desolenator
Implemented by Dubai Water and Electricity Authority in Dubaï (United Arab Emirates) in 2022

In collaboration with the Dubai Water and Electricity Authority, Desolenator announced its flagship project: The world’s first solar thermal installation to support net zero sustainable desalination. This is a strong testament to the power of partnership to sustainably tackle big challenges. Desolenator’s mission is to shield communities and companies against the global water and climate crisis. This announcement marks a step towards achieving this goal.



The environmental benefits

  • Produces 100 times less CO2 per litre than single-use plastic bottled water

The Financial benefits

  • Produces water at a competitive cost of less than €1/m³
  • No external energy costs

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile


A patented technology that uses 100% solar power to purify any water source into clean drinking water at scale.

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Headquarters 6222 NL Maastricht, Netherlands

Networking Partner

EIB Institute

The EIB Institute was set up within the EIB Group (European Investment Bank and European Investment Fund) to promote and support social, cultural, and academic initiatives with European stakeholders and the public at large. It is a key pillar of the EIB Group’s community and citizenship engagement.

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Solutions Associated 22
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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. The innovator Desolenator has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.