The phrase "solar steam" refers to the use of sunlight to heat water and create steam. It is a way to generate energy by harnessing the power of the sun. Full definition
The process, called «solar steam generation,» involves running water through a material or device that is heated by sunlight. (sciencedaily.com)
With solar steam, we're helping to bring more power to more people — to ensure a clean energy future. (brightsourceenergy.com)
He envisions wooden solar steam generation devices being used in water treatment plants across regions with plenty of saltwater and sunshine, from California to Singapore to Saudi Arabia. (sciencedaily.com)