Gemasolar Thermosolar Plant, Concentrated solar power plant
Gemasolar Thermosolar Plant is a power station in southern Spain that uses over 2,600 moveable mirrors to concentrate sunlight onto a 140-meter-tall tower. The system heats a molten salt mixture in the receiver, which can store thermal energy for many hours and generate electricity even after sunset.
The plant was constructed beginning in 2009 and began operating in 2011, establishing a new standard for solar energy storage using molten salt. Although this method had been tested in America before, Gemasolar was the first to implement it at commercial scale in Europe, demonstrating the technology's viability.
The name Gemasolar combines 'Gem' with 'Solar', reflecting the innovative nature of this installation. The shimmering mirrors scattered across the site have become a recognizable landmark in the local landscape.
The plant covers more than 30 hectares and is visible from a distance; visitors can view the mirror array and tall tower structure from outside. The surrounding area allows observation of the facility from various angles, particularly on clear days when the mirrors are actively tracking the sun.
The facility set a remarkable operating record by running continuously for 36 consecutive days without interruption, proving the capability of molten salt storage under real conditions. This demonstrated that the technology can reliably deliver power consistently regardless of time of day or weather conditions.
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