The US Department of Energy announced on May 15 that it will invest US$72 million in the development of a new generation of high-temperature concentrating solar power systems.
Concentrating solar power is another technology that converts solar energy into electricity in addition to photovoltaic technology. The technology uses a mirror to focus sunlight and convert it into heat, which drives the turbine to run. Since the heat converted by sunlight can be stored and converted to electricity when needed, the technology can guarantee continuous power supply at night or on rainy days. The United States is one of the countries in the world where concentrating solar power generation technology is well applied. The US Department of Energy announced in September last year that it invested US$62 million to increase the research and development of concentrating solar power generation technology.
The operating temperature of the thermal energy system is a key factor in controlling the cost of concentrating solar power generation. At present, the operating temperature of the best commercial concentrating solar power generation technology thermal system in the United States is up to 565 degrees Celsius. The third-generation high-temperature concentrating solar power generation project launched by the U.S. Department of Energy will aim to push the operating temperature of the heat energy system to above 700 degrees Celsius, which will effectively increase the power generation efficiency and reduce the cost of power generation. The U.S. Department of Energy said that if the project is successful, it will reduce the cost of generating electricity per kWh of concentrator solar power plants by about 2 cents, which is equivalent to the 2030 target cost set by the Department of Energy for US concentrating solar power plants. 50% of electricity is 5 cents).
Daniel Simmons, the assistant deputy assistant secretary of the US Department of Energy, stated that the United States is the world leader in high-temperature concentrating solar power research. The new project will help promote the development of new technologies for high-temperature concentrating solar power generation and maintain the United States in this field. Leadership position.
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