Tender briefs … Pilot desalination plants for the south – Namibia THE national water utility NamWater issued a tender for the construction of experimental desalination plants at GrĂŒnau and Bethanie in southern Namibia. These plants will be powered by renewable energy and membrane technology. The tender, which is open to Namibian companies and joint ventures, was advertised on the companyâs website early this month. (LINK). Tender briefs … Pilot desalination plants for the south – NamibiaHIWI042019-08-23T11:28:30+02:00