High dependence on foreign countries, Starting the domestic market into focus With the adjustment of Italy's new solar PV subsidy policy, the continuous reduction of PV subsidies in European countries has become the trend of the times. How to start the domestic market in such an international background has begun to become the focus of attention in the industry. According to data released by Wang Bohua, deputy inspector of the Electronic Information Department of the Ministry of Industry and Information Technology, at the 2011 Asia Solar Photovoltaic Industry Forum, global polysilicon production was 160,000 tons in 2010, and China's polysilicon production reached 45,000 tons, accounting for approximately 4 million tons. 28%; China's wafer production reached 11GW, accounting for 58% of the global wafer production; battery production also accounted for about 50% of the global battery production. In 2011, the world's major photovoltaic cell companies continued to expand production. It is expected that the capacity of China's PV companies will exceed 30GW, the global battery capacity will exceed 40GW, and the expansion rate of many enterprises will exceed or approach 50%. Last year, Wuxi Suntech, Suzhou Artes, Zhejiang Wanxiang and other companies have set up factories overseas and started transnational operations. Experts speculate that according to the current development speed, in the next 30 to 50 years, the global PV industry will have a phenomenon of oversupply, and will even exceed 2/3 of the market capacity. According to the import and export situation of solar cells in mainland China from 2007 to 2010, the situation of high dependence on foreign PV products in China has not changed, and about 95% of the products still rely on exports. At the same time of rapid expansion of the industrial scale, the development trend of regional clustering has gradually emerged, and the overheating of the market has spawned a number of follow-up projects. Development of photovoltaic applications into the consumer behavior of the people. Zhang Zhengyu, member of the National Committee of the Chinese People's Political Consultative Conference and executive director of the New Energy Chamber of Commerce, said in an interview with the China Economic Times that because the price of domestic photovoltaic power generation cannot be solely based on state subsidies to recover costs, the New Energy Chamber of Commerce is working on Promote photovoltaic DC residential, and develop a different road from the West in solar energy application, develop photovoltaic applications into the consumption behavior of ordinary people, develop domestic PV market through photovoltaic consumption of households and society, reduce the use of inverters and transformers when electricity is used. DC power is converted into AC power boosting grid loss and equipment cost. "DC power is cheaper than AC, and most of the electrical appliances, including TVs, washing machines, inverter refrigerators, inverter air conditioners, computers, LED lighting, etc., can use DC power. The survey results of the New Energy Chamber of Commerce show that the general 100 square meters room is equipped with DC power. The machine only needs 50,000 yuan." Zhang Zhengyu said. “Initiation of the domestic PV market will require the country to introduce a variety of practical and feasible policy measures, such as the Golden Sun Demonstration Project and the Solar Roof Project, which will promote the development of application projects through a combination of various policy subsidies. Encourage ordinary people to use household applications for interoperability. System, develop DC residential or build off-grid power station, realize self-sufficiency, reduce costs in continuous research and development and pilot process, and the market prospect is very broad.†Analysts of Artes Solar Power Technology Co., Ltd. are interviewed by China Economic Times. Said. "According to today's development speed, no more than five years, through the cost reduction of components and the improvement of efficiency, the photovoltaic power generation price can basically be realized at 0.5-1 yuan / kWh, and the commercial electricity price is basically the same, and the use Long cycle, this is a very attractive market, it is worth our national power to promote the rapid development of the industrial chain as a national strategy." Liu Hanyuan, member of the Standing Committee of the National Committee of the Chinese People's Political Consultative Conference and chairman of the Tongwei Group, said in an interview with the China Economic Times. . "If in the next three to five years, the domestic tail market can be launched in time, a more complete industrial chain will be formed, and the development of the photovoltaic industry will be more healthy." Liu Hanyuan said. The development of the domestic photovoltaic industry and the development of the market not only require state subsidy policies and project support, but the most important thing is to solve the problem of scientific development. He said that as a bottleneck in the development of China's photovoltaic industry, the problem of "connecting to the grid" is not only dependent on the requirements and encouragement of national policies, but also through the actual benefits compensation and driving, to guide power companies to actively solve the problem of photovoltaic grid connection. Through the implementation of national project construction, the operability is continuously improved, the application market is further expanded and the supporting facilities are perfected. The connection of each link in the photovoltaic industry chain will be smoother, realizing the rational use of resources and the health of the industry. Continued development. For example, the development of photovoltaic applications in the western or rural areas can be combined with biogas power generation or through the use of wind and light to achieve a rational use of resources to solve the unilateral application of the conditions; the state through the science and technology sector project funds to technology research and development and personnel training Aspects are tilted, investment is increased, and industry and enterprise technology innovations are encouraged to reduce costs. As technology advances, battery conversion efficiency continues to increase, providing core drivers for industry development.
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