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084f2db8c6 The steam is available for process heat. In 2005 Southern California Edison announced an agreement to purchase solar powered Stirling engines from Stirling Energy Systems over a twenty-year period and in quantities (20,000 units) sufficient to generate 500 megawatts of electricity. Some suggestions: Go back to the last page Go to the home page .. Commercial concentrating solar thermal power (CSP) plants were first developed in the 1980s. Storage is for one hour. Industrial indirect solar fruit and vegetable dryer . High-temperature collectors. "Review on Thermal Energy Storage with Phase Change: Materials, Heat Transfer Analysis and Applications." Applied Thermal Engineering 23 (2003): 251-283. Drake Landing Solar Community in Alberta, Canada has a small district system and in 2012 achieved a world record of providing 97% of the a community's all-year space heating needs from the sun. STES thermal storage mediums include deep aquifers; native rock surrounding clusters of small-diameter, heat exchanger equipped boreholes; large, shallow, lined pits that are filled with gravel and top-insulated; and large, insulated and buried surface water tanks. The collector fluid is circulated through the carrier pipes to the heat transfer vault.
A newer plant is Nevada Solar One plant with a capacity of 64MW. Inorganics are advantageous with greater phase-change enthalpy, but exhibit disadvantages with undercooling, corrosion, phase separation, and lack of thermal stability. High temperatures also make heat storage more efficient, because more watt-hours are stored per unit of fluid. Medium-temperature collectors are also usually flat plates but are used for heating water or air for residential and commercial use. Heat transport refers to the activity in which heat from a solar collector is transported to the heat storage vault. EN 12975 (efficiency test) . The efficiency of heat engines increases with the temperature of the heat source. Solar is also used for food products such as fruits, grains, and fish.