Japan's Solar Power And Zero Light And Heat Cost
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Japan through the development of solar energy derivative products to show the strategic value of the future
In Japan, if you install solar equipment at home, you can get from large central government subsidies to local governments. If this device a little surplus power supply, you can sell excess electricity supply companies, and selling price is twice the price. About 10 years, you can recover the cost of the equipment every year since then also reap "selling power" income. This is popular in Japan, the basic practices of solar energy.
Technically, solar power in many countries already have a larger break, but due to cost reasons, yet universal in the family. In Japan, as provided by state and local governments at all levels of subsidies and supporting regulations policies, and power supply enterprises based infrastructure efforts, and solar equipment Kaishi large Jinru ordinary families.
In 2009, Japanese domestic sales of solar power generating equipment, more than 600,000 kilowatts, of which residential use equipment power more than 550,000 kilowatts. This is about more than doubled in 2005. Considering that most Japanese households to install solar power generating equipment are at 3 kW, which means that in 2009 some 15 to 25 households in the installation of such equipment.
At present, install a 3 kW solar power equipment, the average cost of about 1.8 million to 220 million yen. For ordinary families, this is not a small figure. To this end, the Japanese government in 2009 adopted a new system of subsidies for household solar energy equipment for 70,000 yen subsidy for every kilowatt, and the power companies an obligation to buy home users 10 years of surplus production of electricity, and the purchase price as per kilowatt 48 yen.
In addition, local governments at all levels will also provide high subsidies to home users. Yamanashi Prefecture, Japan to promote solar home equipment more successful place. Here, more than the family as long as the installation of 1 kW solar power generating equipment, you can get 100,000 yen from the county subsidy.
These incentives had an immediate effect. Farmers along the roof, many of them are equipped with colored solar panels, many of whom are old and equipment, new housing situation, is clearly in recent years, acquired by the new policy. However, some Japanese people who oppose the current subsidy policy that power companies buy expensive electricity sold by the family may be disguised to promote price upgrade for the current inability of families to install solar electricity generation equipment, a heavier burden.
Japan in the development of home solar power equipment industry, the special attention to supporting technology and derivative product development, and supporting facilities. To protect the residents of this area home safe use of equipment, it also broadens the impact of surface solar energy industry, improve the industry in a sense the "multiplier effect."
For example, to seize business opportunities in solar energy, the Japanese construction industry is currently developing "zero light and heat cost" housing. Japan's large construction companies large and Housing Corporation announced in mid-August, will be on sale in spring 2011, new smart home product.
This house is equipped with high-capacity lithium-ion battery, can store in sunny electricity generated by solar panels for wet weather use. The house with energy saving LED lighting, and outside it has a wind speed sensor, outdoor wind speed according to the need to remind the owner window and close the air-conditioning. Solar power generation equipment can be designed for electric vehicle charging. This housing can be realized in large part has been energy "self-sufficiency," a key part of its lithium battery products, as well as Toyota and other companies involved.
As the technology and electric vehicle industry has in common, can take advantage of Toyota in this regard, experience and advanced technology. The future, when other countries, residential buildings in the "information" and "energy saving" of upgrading, the Japanese are doing today with the market in advance of training may play an important role.
Again, the supporting infrastructure, if a large number of home solar equipment access network, while at the same time due to weather or stop generating power when the grid voltage will cause dramatic changes, which affect the quality of power supply. To solve this problem, the Tokyo Electric Power and other major power enterprises have begun building next-generation transmission Xian Lu, Jihua spend 600 billion yen, in the Mu Qian Zhong Anzhuang 100 000 grid Above Power control devices, and to 5000 million families to install smart meters voltage sensor, voltage control equipment to help stabilize the grid current. In the process, Mitsubishi Heavy Industries, Hitachi and electrical machinery enterprises and network control information, software companies will get a lot of orders, and take the opportunity to test various types of next-generation grid technology.
The government wants solar power generation by 2020, "28 million kilowatts," the goal. This means that nearly 10,000 or even millions of Japanese households will install solar power generation equipment, this one contains a huge business opportunity. Japanese solar companies use this "base" of fostering internal strength, how will participate in international competition? The Japanese market has been closed, it can give some colleagues from other countries opportunities to participate? Issues are worth watching. |
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By :
Jessie Stone
Submitted
2010-09-27 10:42:20 |
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