Experimental direct solar steam generation power plant opens in Spain

When most of us think of sunlight being used to generate power, we likely picture photovoltaic cells. Concentrated solar power plants however, use lenses or mirrors to heat fluid – such as synthetic oil – which in turn is used to generate high-pressure steam to drive a conventional turbine. A new experimental solar steam generation power plant that opened last week in southern Spain is aiming to improve on the efficiency of existing systems by using water as the direct working fluid and incorporating novel methods for storing the energy, so it can be dispensed even on cloudy days or at night.

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