Wind turbines can meet all of China's electricity needs?-Hummer wind turbine

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Wind turbines can meet all of China's electricity needs?

A new study found that, as long as China renovation of its transmission network and enhance rural development benefits of wind energy, wind turbines alone can provide the electricity needed to the whole of China.

China has rapidly become a global leader in wind energy utilization. At present, the fourth highest in the world installed capacity. But the coal-fired power plants still provide China¡¯s growing demand for electricity in most of the - this is a by scientists predict climate change will lead to a dangerous level of development model.

The emerging wind generators resources in China tell us that coal is not the only cost-effective source of energy. Researchers at Harvard University and Tsinghua University in Beijing say China¡¯s low-carbon power generation through wind power, "even if not all, is also a large part of" the future of the electricity sector to reduce greenhouse gas emissions.

In the latest issue of "Science" magazine published a report¡¯s lead author Michaelsaid, "We are trying to understand China¡¯s current real demand for electricity, a rough estimate of 10 billion watts each week - or 50 billion watts annually, which is a staggering figure. China will be the newly created every week a few coal-fired power plants. We hope that by promoting a different path of development, to have a positive impact. "

Studies have shown that, in accordance with China¡¯s electricity demand growth of 10% per year calculated in the next 20 years, is expected to need to increase the 800 billion-watt coal-fired power generation. Based on the current 0.4 yuan per kilowatt-hour of wind power (0.059 U.S. dollars) estimates that wind energy can replace 23% of thermal power. If so, in China each year almost 620 million tons will reduce carbon dioxide emissions, or reduce its current annual emissions of 9.4%.

Research shows that if the contract price of wind power 0.516 yuan per kWh (0.076 U.S. dollars), wind energy to meet China¡¯s annual demand for electricity in 2030.

Study co-author, Harvard graduate LU Xi (phonetic) said, "in order to maintain the vitality of China¡¯s wind energy resources, we have developed a regionally-based economic model, combined with pricing procedures, and to calculate the energy prices, according to geographical location . "

In order to avoid the increase in 2030, an annual 3.5 billion tons of carbon dioxide gas emissions, according to the present policy to provide, analysts have pointed out that wind power can replace the 640 billion watts of thermal power, this change can be reduced by 30% of the emissions, but also takes about 6 trillion yuan of investment (900 billion U.S. dollars).

Authors wrote, "From China¡¯s current economic size, as well as in additional generating capacity and transmission network infrastructure in the future, the level of investment required, this is a huge, but a reasonable investment, it can meet our future energy needs of the expected of growth. "

China¡¯s western and northern parts of the vast region has a huge wind energy potential, especially in Inner Mongolia, Xinjiang, Gansu and Tibet.

However, most wind-rich areas are sparsely populated areas with low demand for electricity. This requires high-voltage transmission lines to these areas to the rapid increase in electricity users to connect the eastern region of China.

Meanwhile, according to the Global Wind Energy Council (GWEC) of information, although the existing wind farms are trying to merge into the transmission network, China¡¯s laws to the renewable energy priority access to the grid, but the hardware on the transmission network shortcomings have limited the ability of wind power to the user.

However, wind farms are still rapidly swept through China. China¡¯s top economic planning body, the National Development and Reform Commission (NDRC) to develop wind power in a 2010 goal of 50 billion watts, but China in 2007 reached.

In China, wind power installed capacity last year, has now reached 12.2 billion watts, of the total electricity supply by 0.4%. China announced in May, the installed capacity of wind energy by 2020 to more than 100 billion watts by 2050 renewable energy in the energy market will account for 40%.

2005 Renewable Energy Law has promoted the adoption of the recent wind power production. Renewable energy policy to grant a 10-year contract to provide enterprise and to ensure subsidies. China¡¯s State Development and Reform Commission in July of renewable energy law also made further interpretation of the implementation of wind power in different areas with different pricing policies.

In order to stimulate the domestic wind power industry, the Chinese government state-owned wind turbine manufacturers for tax cuts. Global Wind Energy Council data shows that in 70 of China¡¯s wind turbine manufacturers, there are more than 20 were established last year.

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