Solar-Powered Water Purification

Desolenator offers a small, solar-driven water desalination device that provides 15 liters of water for drinking and cooking, meeting the daily needs of a family.

The Desolenator is a modular, easy-to-use, and scalable device that works off- grid to provide families with pure water. After being poured into a pipe in the device, water is boiled and cleansed through the combined thermal and solar distillation technology with integrated heat exchange. Using only solar power to purify water from any source, including seawater, the Desolenator delivers access to clean drinking water and improved sanitation.

The device has a lifespan of up to 20 years, requires minimum maintenance, and uses no filters, membranes, or pre-treatment chemicals. The Desolenator provides a highly affordable ($0.005/L) method of water purification over its lifetime, according to the company. The device contains a sim-card enabling the product to include pay-per-use micropayment and remote monitoring.

Relevance of solution

More than 660 million people are without access to safe drinking water around the globe.1 With its solar-powered solution to water distillation and purification, Desolenator improves access to safe drinking water, which is especially critical in regions where natural groundwater reserves have been polluted or where seawater is the only water source available.

Triple Bottom Line


Compared to competitive solutions, deployment of 2.5 million Desolenators will reduce CO2 emissions by 10 million tons, according to the company.


Unlike water straws and household filters, the device removes all contaminants including arsenic, nitrates, and salt.


It is estimated that women and girls in some regions spend up to six hours every day collecting water.2 Reducing that time commitment creates more equal opportunities for education and jobs.

Other resources

  1. Blog


  1. WHO and UNICEF. “Progress on Sanitation and Drinking Water.” (2015)
  2. UN Water. “Water And Gender.” (2013)