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When does solar photovoltaic power enter the homes of the people?

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When does solar photovoltaic power enter the homes of the people?
When does solar photovoltaic power enter the homes of the people?


When does solar photovoltaic power enter the homes of the people?


When does solar photovoltaic power enter the homes of the people?


Solar photovoltaic power generation refers to the use of solar cells to directly convert solar energy into electrical energy according to the principle of “photovoltaic volts”. In the context of climate change and energy shortages, solar photovoltaic power generation is becoming more and more popular. According to the International Energy Agency, by 2020, the world's photovoltaic power generation will account for 2% of total power generation. China's solar photovoltaic industry has broad prospects for development. Relevant experts have called on the state to increase policy support as soon as possible, expand the domestic market, and allow photovoltaic power generation to enter the homes of ordinary people as soon as possible.



The rapidly emerging world photovoltaic industry


In the solar cell production workshop of Shandong Linuo Solar Power Engineering Co., Ltd., the reporter saw in half a month that a piece of mobile phone-sized photovoltaic cell was quickly synthesized on a modern assembly line. Zhang Feng, general manager of the company said: "This small solar panel, the market price is more than 100 yuan, and all used for export. The company has only 40 people, but the annual per capita output value is more than 10 million yuan."


Due to low production costs and high profits, China's investment in solar power generation has emerged in recent years. Take Wuxi Erquan Solar Technology Co., Ltd. as an example. In 2006, the company invested 150 million yuan to build a solar cell production enterprise. In 2007, it completed 15 megawatts (15,000 kilowatts) of output, with an annual output of 450 million yuan. It plans to complete 100 MW (100,000 kW) of production, with an annual output of more than 3 billion yuan.


Shi Dinghuan, chairman of the China Renewable Energy Society, told reporters that in the past five years, Germany, Spain, Japan and many other countries have encouraged the development of renewable energy, including solar photovoltaics. The annual average growth rate of solar cell production is over 40%. The rapid "fermentation" of the international market has driven the development of China's photovoltaic industry. According to statistics, in 2006, the global annual output of solar cells was about 2.5 million kilowatts, and China accounted for 370,000 kilowatts. It became the world's third largest solar cell producer after Japan and Germany.



The "three thresholds" that must be crossed


China's solar photovoltaic industry has broad prospects for development, but there is still a long way to go before ordinary people can install photovoltaic power generation systems like ordinary people in developed countries. Industry experts believe that it is necessary to pass the "three thresholds".


Photovoltaic power generation is difficult to access. Since the power sector has not officially accepted photovoltaic power generation, the domestic grid-connected PV market has not really started. As of 2006, the cumulative installed capacity of domestic photovoltaic power generation was only 80,000 kilowatts. Huang Ming, chairman of Huangming Solar Group, said: "The cost of photovoltaic power generation is high and can only rely on government support. However, due to policy issues, the domestic market cannot be started very quickly. We are very anxious." According to experts, developed countries like Germany have already Adopting policies such as purchasing online and financial subsidies to promote the development of the photovoltaic market.


Installation costs remain high. In the past 30 years, although the cost of photovoltaic power generation has dropped, it is still much higher than conventional power. At present, a "solar power plant" that can generate 3,000 degrees of electricity per year is installed on the roof of a villa, which is expected to cost 150,000 yuan to 200,000 yuan.


Technical bottlenecks. Relevant experts pointed out that in the entire photovoltaic industry chain, the technology and capital threshold of the packaging link is the lowest, resulting in a number of packaging companies emerging in the country in a short time. However, due to the skyrocketing prices of raw materials in the international market and the overcapacity of packaging, such enterprises basically have little profit. The better-performing is the solar cell manufacturers with advanced technology in the upstream of the industrial chain, but there are only a handful of such enterprises in China. Shen Wenming, general manager of Shandong Linuoruite New Energy Co., Ltd. believes that in the subsequent research and development of crystalline solar cells, the gap between China and developed countries is at least 10 years.



PV enters 10,000, the government pushes


It is understood that the current cost of solar photovoltaic power generation in China is about 4 yuan / kWh, which is much higher than the on-grid price of thermal power of 0.3 yuan / kWh. The industry generally believes that in order to get a large-scale promotion of solar energy products, it needs the strong support of national policies. The government promotion is the main driving force for the initial development of the solar energy industry.


The country should first formulate medium- and long-term plans to cultivate the photovoltaic application market and promote the development of the photovoltaic industry. It should legally stipulate and refine the proportion and key uses of renewable electricity purchases, and even learn from Germany's full acquisition of the government's access to photovoltaic power generation. , the system of fixed purchase price. Only making photovoltaic power generation an investment is the biggest driving force for this industry.


Second, we must encourage civilian access to the Internet. Gradually launch and implement the “Photovoltaic Roofing Plan” to establish the position of photovoltaic power generation in the national power energy structure. For this reason, we can learn from some rigid policies that must be adopted by solar energy in public facilities.


In addition, special application support funds should be set up, supplemented by corresponding fee reduction and exemption policies. Relevant experts suggest that special funds can be drawn from domestic electricity tariffs for the development of photovoltaic industry. In the future, we should vigorously support the upstream high-purity silicon raw material industry, reduce the cost of photovoltaic cells, and accelerate the reduction of photovoltaic grid-connected power station construction and operation costs, and promote promotion. use.

Pub Time : 2019-06-10 11:28:23 >> News list
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