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Article by Jonn

One side is China provinces because of power failures issues had to switch power brownouts, part is a large wind power facilities idle, cannot grid generation. China in successive years turn multiply long wind power industry didn’t solve the whole problem of power supply nervous. The personage inside course of study analysis thinks, the construction of power grid construction and power generation uncoordinated, and caused the electricity shortage overcapacity coexist with the embarrassing situation.

Excess capacity falling profits, wind power enterprise “by” overseas

Recently, the largest wind-power equipment manufacturers junwu technology Co., LTD and wind power solutions provider Switch), the cymru (cooperation agreement signed in Beijing, announced that continue to purchase, production of the whole power converters cymru would produce, and the wind power generation equipments exports to the U.S. market.

Nearly two years about Chinese wind firms overseas forays reports emerge in endlessly. The media reported that China’s wind power enterprise does not have the international leading technology and product quality, but the wind business in recent years because of domestic rapid development overcapacity, profits have led to share thin, finally had to moving overseas. According to reports, at the end of the decade, China’s wind power industry has an installed capacity of nearly has been completed 42GW, China had become the world’s largest wind countries. Among them the annual new 1893 million kilowatts wind power, far more than other countries, accounts for about half of global new installed capacity.

Successive years realize ZhuangJiLiang double increase total behind the whole industry profits is reduced. According to reports, in 2008, a kilowatt generator sells for 50-60 yuan, 2010 dropped to 35 yuan, and the cost was $ 6,500 from 2008 to 2009 / kilowatts 540 yuan/kw, the end of 2010, the cost has less than 4,000 yuan/kilowatts. For example, in the junwu technology company year to the first quarter of this year, the report showed 18.55 billion yuan in the first quarter revenue year-on-year, 2.06 billion yuan, net profit 0.04%, 16.99% year-on-year drop in 2011, and expected to net profits in the first 6 months year-on-year decline of 0.00% – 50.00%. After an executive at junwu technology in accept media interviews that, at present the product price is indeed must be the problems faced. Junwu A few years ago the company is growing rapidly, but more than a year, in this growth has slowed in the company, has entered the “stable stage”.

Wind power “horse race circle” the grid problem after

However “excess capacity” and didn’t bring the “produce superfluous” of energy. Wind power industry in full swing, though it hasn’t changed this year China faces serious power shortages situation. In addition to social development has led to increasing the regularity of electricity reason from, a lot of wind equipment installed wind cannot fail to grid generation is also effective in relieving power shortages of one of the important reasons. According to the national electricity the supervisor will “issued by the wind, and photovoltaic power generation condition supervision report by the end of 2010, by lifting capacity, the fan 4182 million kilowatts, grid capacity, President million kilowatts cooldown million kilowatts hoisting fan failed to grid generation. This means that 30% of the installed capacity in waste state. Report shows, the most serious in Inner Mongolia region abandon electricity, not purchase for the first half of last year 21.01 billion kilowatt-hours, wind power without the takeover of the national 75.68%. According to the current lack of electricity most serious zhejiang, jiangsu, hebei, hunan, hubei, jiangxi and guangdong provinces 1000mw average each province about the power of the gap, if all the fans are calculated can effectively, 5-month-construction this year’s power failures will get mass ease the phenomenon.

A in wind power fields have years of work experience engineer told reporters Sunday, large fan energy channels the reason is not normal interconnection domestic power grid construction and power generation group of mutual not harmonious. Often power group artful, upon the completion of the first game but also power partitioned, in particular, didn’t built wind resources abundant is northwest, grid construction does not follow to go up, resulting in a large number of wind power is wasted. The state grid energy strategy and planning research institute BaiJianHua previously in accepting interview with CCTV also points out, China power construction and grid construction investment proportion problems of coordination has not. He thinks, although these countries the proportion of the investment for grid is rising year by year, but still in filling following stage. And in recent years each year hundreds of billions, easily than wind construction investment insufficient still have some.

About the solution of these problems method, national energy board new and renewable energy company that needs ShiLiShan vice priests from the government management, wind power plant operation, equipment performance, power grid scheduling concerted efforts to. As a representative of the wind power solutions, one of enterprises, the China gm’s Black) for white Paul (in an interview Sunday energy channels, said he did not know much about the government’s strategy, but, in terms of albion from, the future of product design or to improve energy efficiency, and from localization strategy to do more efforts.

White Paul said, the Chinese government can recognize such excess capacity is very heartening. Since last year, the Chinese government has gradually reduce wind industry policy support, to adjust the industry development. He thought, to make supervision more orderly, industry affirmation want through a period of pain. But wind power in China is still in the burgeoning industry, now still not fully mature, for, such as enterprise character’s still a big competitive space. In China, the products and the application’s ShiHaiFeng argues that, now director of the wind power industry product types and technology is still new in emerge in endlessly, meanwhile compared with Europe, the percentage of China’s wind power is much lower, and wind still has great development space.

Wind power is one of the fastest growing forms of alternative energy in the world. More and more, wind power mills are seen in the countryside, in large wind farms and for the most part, away from city life. But a new form of wind power is now designed to work in an urban environment. VOA producer Zulima Palacio has the story. Mill Arcega narrates.
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Dubai: Thirty small-scale solar-powered desalination plants will be operational in the next 15 months to provide animals with watering holes in Abu Dhabi’s desert environment.

Two of the plants are already in use desalting brackish water from underground aquifers into fresh potable water, said a water resources expert from the Environment Agency — Abu Dhabi (EAD).

However the cost of using solar power for bigger desalination plants that produce millions of litres of fresh water for mass human consumption is still too high, said Dr Mohammad Dawoud, Manager of Water Resources Department at EAD.

Currently the cost of one desert desalination plant is Dh3 million.

Each plant will be of identical size with the same desalination capacity of five cubic metres of water per hour. The plants will be operated remotely and solar power will be harnessed by solar panels spanning 300 square metres at each site — enough to create 45 kilowatts of electricity per hour.

“The purpose of the plants is to establish a water source for the thousands of animals in the middle of the desert where there is no power. There will be no impact on the environment and the operating cost for the next 15 years is lower than transporting oil to use to create energy,” said Dawoud.

The plants will be working six to eight hours everyday. Brine, or waste water, will be pumped to an evaporation lake measuring between 30 to 40 metres in diameter and fenced off to keep animals at bay. It will also be sealed underground to avoid any leaks into to the ground water.

“Very little salt will actually be produced. Around three cubic metres of water will be discharged per hour into the evaporation lake. From time to time it will have to be maintained and the salt removed and disposed of in a landfill,” said Dawoud.

A subsurface irrigation system will pump some of the freshwater water back underground in order to create irrigated land to grow fodder for the animals.

According to the International Desalination Association, the daily production of desalinated water in the UAE is 8.4 million cubic metres. It was announced last year that future desalination production investments by Abu Dhabi and Dubai were pegged at up to $40 billion (Dh146.8 billion) to meet increasing water demand.

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