Drilling and test new markets - geothermal energy development
On February 5th, development and reform commission (NDRC), the energy bureau and the ministry of land and resources jointly issued by the geothermal energy exploitation and utilization of "much starker choices-and graver consequences-in planning, put forward during the period of" much starker choices-and graver consequences-in "new geothermal heating (cooling) area of 1.1 billion square meters, the new geothermal power installed capacity of 500 mw. By 2020, geothermal heating (cooling) area of up to 1.6 billion square meters, geothermal power generation capacity of about 530 mw.
Geothermal energy is a green low carbon, recyclable and renewable energy, has large reserves, wide distribution of stable and reliable, clean environmental protection, etc., is a realistic and clean energy is competitive.
According to the ministry of land and resources survey and assessment results, China geological survey in 2015 the national more than 336 of l7 cities in shallow geothermal energy recoverable resources is equivalent to 700 million tons of standard coal; The hot water type geothermal resource amount to 1.25 trillion tons of standard coal, recoverable resources amount to 1.9 billion tons of standard coal; Buried deep in the hot dry rock resources in 3000-10000 m or 856 trillion tons of standard coal.
At present, shallow and hot water type geothermal heating (cooling) technology has been basically mature. Shallow geothermal energy application main use of heat pump technology, annual growth rate of more than 30% after 2004, expanded application scope to the whole country. At the end of 2015 the shallow geothermal energy heating (cooling) area of 392 million square meters, the hot water type geothermal energy heating area of 102 million square meters. Geothermal energy use about 20 million tons of standard coal.
In terms of geothermal power, high temperature dry steam technology the most mature, lowest cost, the high temperature humidity steam times, in the low temperature geothermal power generation technology maturity and economy remains to be improved. Due to the characteristics of geothermal resources in our country and other sources of heat power generation requirements, full power in our country in recent years achieved rapid development, hot dry rock power generation system is still in the development stage. In the early 1970 s in guangdong fengshun fuxing, hebei, jiangxi yichun offers, in the construction of the low temperature geothermal power station. In 1977, our country in Tibet yambajan construction of the high temperature geothermal power station in 24 megawatts. At the end of 2014, China's geothermal power generation total installed capacity of 27.28 mw, ranked 18th in the world.
According to preliminary estimates, if during the period of "much starker choices-and graver consequences-in" implementation of new geothermal heating (cooling) area of 1.1 billion square meters, the goal of new geothermal power installed capacity of 500 mw, shallow geothermal energy heating (cooling) can pull the investment about 140 billion yuan, the hot water type geothermal heating movable investment about 80 billion yuan, geothermal power can pull of nearly 40 billion yuan RMB, the investment amount is about 260 billion dollars. In addition, the development and utilization of geothermal energy can also drive, drilling geothermal resource exploration and evaluation, heat pump, heat exchanger and a series of key technologies and the development of equipment manufacturing industry.
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