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China 's solar energy resources and market prospects
2009-10-26
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China has a wealth of solar energy resources. According to statistics, each year the total amount of solar radiation received by land in China, equivalent to 2.4 trillion t standard coal, the total area of 2/3 years of annual sunshine time more than 2000h, especially in some areas of the northwest more than 3000h. On the other hand, with the rapid development of the world photoelectric technology and its application materials, the cost of optoelectronic materials has decreased exponentially, and the photoelectric conversion rate has been improved, which will bring about a significant decrease in the cost of solar power generation. World PV industry generally believe that by 2010 the cost of solar photovoltaic cells will be reduced to the extent of competition with conventional energy. Which for China to vigorously develop solar energy resources possible.


1, China's solar energy development will be remote, less developed areas for the pilot

    At present, China still has 76.56 million non-electric population, 16 no electricity county, 828 no electricity and 29,783 electricity without electricity village. As these counties, villages and towns and scattered herdsmen in remote areas, away from the grid, electricity load is small and scattered, nearly 20 years can not be extended through the power grid to achieve power supply. China's solar energy is rich in resources, more than 2/3 years of sunshine more than 2000h, the average annual radiation is about 5900MJ / m2. Qinghai-Tibet Plateau, Inner Mongolia, Ningxia, northern Gansu, Shaanxi, northwest Hebei, southern Xinjiang, northeast and Shaanxi-Gansu-Ningxia region is particularly prominent. While most of China's electricity-free population is mainly distributed in these areas. Moreover, the wind resources in these areas are also quite rich, the development of wind power is also more appropriate.

    From the economic point of view, for the remote areas of the village (or other collectives), the annual illumination is greater than 2500h, in the annual average wind speed greater than 5m / s area, when the grid distance of 25km or more, the conventional power grid cost is greater than the photovoltaic power generation and wind Power generation costs. In the area where the annual illumination is greater than 2500h, the electricity consumption of the photovoltaic power generation system is better than that of the diesel generator when the monthly electricity consumption is more than 2100kW · h. For decentralized users, in remote areas of conventional power grids and internal combustion engine power generation costs can not be with the wind power, photovoltaic household system competition. In the wind, light resources in good areas, users can choose according to their own needs a different configuration, the electricity cost of 2 to 6.5 yuan / kW · h. Through technical and economic analysis, it is obvious that it is feasible to solve the problem of decentralized power supply in remote areas by using wind power generation and photovoltaic power generation technology (or complementary) under current conditions. It is in line with the policy of sustainable development, which is more obvious than extension power grid or diesel power generation The advantages.

    At present, the State Planning Commission and the State Science and Technology Commission have given great support to the development of solar energy technology and its application. Beixin Group is one of the earliest organizations to organize experts to investigate domestic and international solar photovoltaic power generation industry. In 1998, they introduced the 76 kW international advanced roof solar power system in China, and has been running stable and effective. The The system has a daily electricity generation of 12 kW · h or more, to meet a well-off home electricity requirements. Hebei Zhenhai Aluminum Group is a German company in Piqington (Piikington) International has the company in China exclusive distributor, has now put into the production of the world's advanced solar cell glass packaging equipment and supporting materials. Its base in November 1999 has been the first in China to install more than 100 m2 of photovoltaic glass curtain wall demonstration buildings, has been completed and put into use, the operation of the use of good results, has become a major domestic landscape and solar photovoltaic power generation project model.

    In addition, the 2008 Olympic Games, Beijing will become China's largest application window in the field of solar energy applications, "New Olympic Games" will fully reflect the "green Olympics, energy-saving Olympics," the new concept of planning the Olympic venues around 80% to 90% of the street will use Solar photovoltaic power generation technology; the use of all-glass vacuum solar collector technology, the supply of 90% of the Olympic Games bath hot water. During the entire Olympic Games, we will see a series of solar technology applications such as solar street light, solar phone, solar cell phone, solar no flush toilet.

    It is believed that through the "Green Olympics" in Beijing in 2008, China's solar power industry can be developed by leaps and bounds. Moreover, through the world event held in the capital, solar power generation technology will become China's developed areas to promote environmental protection, Construction of environmental protection, large-scale use of solar power as a good starting point for alternative energy.


2, international organizations, foreign governments on China's solar energy development support projects

    China's solar energy industry to pay an inexhaustible efforts. In the development of technology, in addition to the relevant industries introduced a series of favorable commercial concessions, support policies, but also in the "863 high-tech research program" in the special set up a "solar thin-film battery" technology research projects, the Chinese Academy of Sciences in the west The plan also plans to invest 250 million yuan in two years to carry out a series of basic, strategic, forward-looking research, including the establishment of a number of solar power, solar air conditioning, solar heating, wind and solar power stations, geothermal and other demonstration projects , And timely carry out regional promotion work. And "bright project" is a special solar energy development poverty alleviation project plan.

    At the same time, China is also actively using international organizations and foreign governments to aid projects in China, and actively engaged in solar energy utilization. Since 1994, the State Economic and Trade Commission, with the support and cooperation of the relevant ministries, has actively organized the use of funds from the Global Environment Facility, the World Bank, the United Nations Development Program and the Asian Development Bank to support the industrialization of new and renewable energy industries in China Development. At present, solar projects are being prepared and implemented include:

    Global Environment Fund Solar PV Project The project will use the Global Environment Facility grant of $ 22 million to support the development of 20 to 300,000 solar photovoltaic power generation in northwestern China (Gansu, Qinghai, Inner Mongolia and Xinjiang, as well as Tibet and northwestern Sichuan and other regions) Household system (the total size of about 10MW, the average power generation capacity of each system is 30 to 50 peak watts), for remote areas to provide electricity to electricity. Of which the Global Environment Facility grant of $ 15 million will be used for direct subsidies, with an average subsidy of $ 1.5 per watt and the remaining costs borne by the user. At the same time, the $ 7 million grant supports the establishment of a solar household PV system, sales network and technical services, technology introduction and corresponding institutional capacity building.

    The Global Environment Facility (GEF) technology development project will use the GEF 10 million US dollars for the current situation of large-scale wind power plant development, which will depend on the import of large-scale wind power equipment in China. The wind power generation price is higher and the initial investment is large. Choose to undertake enterprises, focusing on supporting large-scale wind power and solar photovoltaic power generation equipment, key components of the technology development and technology introduction, speed up the pace of localization.

    Global Environment Facility / United Nations Development Program to accelerate the development of China's renewable energy commercialization capacity-building project The project was presented to the United Nations Development Program by the State Economic and Trade Commission in 1994 and supported by the Global Environment Facility. After more than four years of efforts, in March 1999, the project was signed by the United Nations Development Program, the Chinese Ministry of Finance and the United Nations Department of Economic and Social Affairs, and held a project start meeting on April 6, the project has been officially implemented The The project is the largest investment in the United Nations Development Program (UNDP) in China. The total investment is $ 25.83 million, of which $ 14.43 million is for grants. In the $ 14.43 million grant, the GEF / UNDP grant was $ 8.8 million, the Australian Government grant of $ 3 million and the Dutch government grant of $ 2.53 million. The project introduces international advanced renewable energy technologies and equipment, and organizes demonstration projects and related activities in Shandong, Zhejiang, Guangdong, Guangxi and other places, including: the establishment of complementary systems to solve the problem of residential electricity consumption in remote areas; industrial scale of biogas utilization ; With bagasse as fuel for cogeneration. At the same time, the establishment of renewable energy industry associations, research and development of renewable energy development of financial incentives to help enterprises improve market development capabilities, strengthen resource evaluation, information dissemination and market mechanism. The project implementation period is 5 years.

    Asian Development Bank Renewable Energy Development Technical Assistance Project The project started in November 1998 with a total project funding of $ 826,000, of which ADB provided US government grants of $ 656,000. The project covers areas of renewable energy including bagasse power generation, solar thermal utilization systems and biogas systems. The main contents of the project are: to evaluate the technical, financial and economic potential of the selected renewable energy technologies; to formulate policies and incentive policies, to improve the product manufacturing standards and to promote the use of renewable energy; to propose measures to enhance the competitiveness of renewable energy technologies ; Develop financial mechanisms to support the commercialization of renewable energy; complete technical, financial, economic and environmental evaluations of subprojects. The project is mainly implemented in provinces such as Guangxi, Guangdong, Hebei, Jiangsu, Henan, Sichuan and Yunnan where renewable energy resources are abundant