The DEWA project in Dubai, under construction in 2019, held the world record for lowest CSP price in 2017 at US$73 per MWh [21] for its 700 MW combined trough and tower project: 600 MW of trough, 100 MW of tower with 15 hours of thermal energy storage daily. . Concentrated solar power (CSP, also known as concentrating solar power, concentrated solar thermal) systems generate by using mirrors or lenses to concentrate a large area of sunlight into a receiver. is. . CSP is used to produce electricity (sometimes called solar thermoelectricity, usually generated through ). Concentrated solar technology. . In a CSP plant that includes storage, the solar energy is first used to heat molten salt or synthetic oil, which is stored providing thermal/heat energy at high temperature in insulated tanks. Later. . As a thermal energy generating power station, CSP has more in common with such as coal, gas, or geothermal. A CSP plant can incorporate,. . A legend from later centuries has it that not only used the, but also a "burning glass" to concentrate sunlight on the invading Roman fleet and repel them. . An early plant operated in Sicily at . The US deployment of CSP plants started by 1984 with the plants. The last SEGS plant was completed in. . As early as 2011, the rapid decline of the price of led to projections that CSP would no longer be economically viable. As of 2020, the least expensive utility-scale concentrated solar.
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In 2017, Energy Vault was founded by a group of Swiss engineers in the Idealab . In 2019, Energy Vault secured funding from before going on to secure $110m of Series B funding to become the first energy storage investment of the, and won Fast Company's World Changing Idea Award for transformative utilit.
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