Solar Thermal Power Generation: The First Choice Of Large
When the electric power, coal, oil and other non-renewable Energy Frequent emergency
, energy is increasingly becoming a bottleneck restricting the international socio-economic development, the growing number of countries have begun to implement the "Sunshine", developing solar energy resources, a new driving force for economic development. Solar energy as a renewable new energy sources, more and more cause for concern. China is rich in solar energy resources, solar energy prospects.
Present, China has the world's solar water heater production and use of most countries and major producer of solar photovoltaic cells. Our more mature products with two solar energy: solar photovoltaic systems and solar hot water system.
Investment adviser in the latest release of "2010-2015 China's solar energy industry and prospects of investment analysis report" also shows that in 2009 China's solar water heater production has reached 42 million square meters, the annual growth rate reached 35.4%; solar water heater annual output value reached 57.85 billion yuan, an increase of 34.5%. In addition, water heater solar water heater has accounted for 57% market share. Keep the country reached 145 million square meters. The report also shows that in 2009 China's total output of more than 4,000 megawatts of solar cells, representing the world's solar cell production has also more than 40%.
Investment adviser in the energy industry's chief researcher Jiang Qian pointed out that the data can be seen from the above, the current generation of solar energy photovoltaic and solar hot water system has emerged as a good development trend. But have to admit that, similar to other traditional industries in the global solar energy industry chain, China has only rely on cheap labor and other advantages, its place in the manufacturing sectors, and in the large-scale application of solar energy is still far behind Germany, Spain, the United States and other countries.
Particularly in the field of solar photovoltaic, solar cell production in China in 2008 reached 1.78GW, accounting for 26% of the global total, but in 2008 China's installed capacity of photovoltaic systems 40MW, accounting for the proportion of the total global installed capacity is only 0.73%. In 2009, China's photovoltaic cell production further, the proportion of total global output of more than 40%. Although the domestic manufacturers, to vigorously promote the voice of high solar photovoltaic, and relevant state ministries and commissions in 2009 also has made public a number of policies to support the industry, but overall, due to electricity price and network restrictions and other factors regulate the effect is not obvious, the domestic PV market is far from fully open state. Installed capacity of PV systems over the same period was only 150MW is also about the proportion of the world total 2.5%.
Jiang Qian pointed out that although a global scale, the development of solar PV industry is mature, and indeed in which some of our links has some advantages, but the whole, subject to the economic development level, short-term within the solar PV products in the country can not be like Germany, Japan, as a large area used in home market. Therefore, to make solar energy truly clean energy scale in our application, it should not focus only on solar photovoltaic, solar thermal power is also worth looking. Even in our country is still in the middle stage of industrialization, economic development, greater demand for resources, coupled with resource and economic development at the regional distribution of extreme lack of coordination, which led to the basic needs of large-scale power resources, long-distance transportation under special conditions , solar thermal power will become the first choice of large-scale application of solar energy.
As compared with PV, solar thermal power generation's greatest strength lies in its safe operation of power grid will not cause too much pressure, and this is in the smart grid is still in the conceptual phase of the case, the constraints Photovoltaic power generation in the country to promote the key factor. In addition, the cost of solar thermal power generation is its photovoltaic power generation compared to a big advantage. United States is the cost of solar thermal electricity generation is 13 to 16 cents / kWh, basic and similar to the current cost of wind power, but also a huge reduction in the next room, the relative point of view, although the cost of photovoltaic power generation in recent years have significantly decreased, but remained at 25 cents / kWh or so.
by: heiyou
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