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As the PV policy is tilted towards distribution, the market for concentrated ground PV power plants has narrowed. The competition for ordinary projects, front-runner technology bases and supplementary indicator projects has become more cruel. The distributed market represented by households and industrial and commercial enterprises has also become a new battlefield for enterprises to compete.
In this regard, under the dual drive of policy and technology, PV companies have launched the latest single polycrystalline high-efficiency products and distributed photovoltaic solutions. Shandong Shanhai New Energy Development Co., Ltd. (hereinafter referred to as “Dahai New Energyâ€) Technology R&D Director Tang Shanshan told reporters that with the promotion of the “leaders†base and the common ground power station bidding online mode, the demand for cost reduction and efficiency increase is for the industry. More intensely, only by accelerating technological progress can we promote PV “subsidy†and promote the early arrival of PV parity. At the same time, she also said that the distribution of crouching for many years has finally come to the stage. Although there are many uncertain factors such as low recognition, low quality roof and difficult financing, the market prospects are expected.
Technology wins single, polycrystalline high-efficiency silicon dual layout
Driven by the common goal of reducing costs and increasing efficiency in the industry, China's photovoltaic market is constantly active in new technologies and new products. At the product level, high-efficiency components, double-glass components, laminated components, and half-chip components are gradually gaining a competitive advantage. At the technical level, a number of high-efficiency crystalline silicon process technologies such as black silicon texturing, diamond wire cutting technology, back passivation (PERC), and N-type double-sided industrialization speed up.
It is worth mentioning that in recent years, the application of diamond cutting, black silicon, PERC and other technologies has become the focus of competition for single polycrystalline enterprises. In 2014, single crystal enterprises began to promote the diamond wire slicing technology. By increasing the quality of silicon wafers and reducing the cost of texturing, the cost of single crystal slicing was reduced by 15% to 20%. In 2017, with the application of PERC battery technology, single crystal components will be more cost effective. For polycrystalline enterprises, in the past two years, diamond wire cutting technology combined with black silicon technology, combined with PERC battery technology, on the basis of cost-effective advantages, further improve the conversion efficiency of polycrystalline batteries.
Tang Shanshan believes that the technical competition of single polycrystalline enterprises has promoted the continuous progress of the industry this year and even in the next decade. The reporter also found that at the 2017 Shanghai Photovoltaic Exhibition, first-line big-name companies have brought together single-crystal high-efficiency new products, which in a certain sense led the photovoltaic industry to move toward a more efficient and ultra-high power era.
As a wafer manufacturer upstream of the photovoltaic industry chain, Dahai New Energy has already laid out high-efficiency wafers in the field of single polycrystals and achieved remarkable results. In terms of single crystal, the new energy of the sea uses a single raw silicon material, 100% of the first pure silicon rod, without any single crystal circulating material doping, ensuring the product life. At present, the diamond-cut single crystal silicon wafer has achieved a yield of more than 99% and a low-cost cutting process, with a monthly production capacity of more than 3.5 million pieces.
In the aspect of polycrystalline, the new polycrystalline batching technology introduced by the new energy of the sea reduces the light decay of polycrystalline cells by more than 50%, which is equivalent to a 1% increase in power generation performance. Its independent research and development, improved ingot thermal field optimization crystallization process, polycrystalline silicon sheet can reach the "zero" impurity black edge, to meet the demand for high quality silicon wafer.
"The unique 'zero' hard dot 'soft polycrystalline' silicon block, combined with the innovative diamond wire cutting transformation technology, and the new cutting process improvement technology, the diamond wire polycrystalline cutting has been fully mass-produced." Tang Shanshan said that the sea The diamond fiber high-efficiency polycrystalline silicon wafer is processed by the wet black silicon technology. The black silicon nanostructure is uniform and the size is about 600nm. After using the conventional battery technology, the conversion efficiency is improved by >0.4%, the high-efficiency component has no color difference, and the package loss is < 1%.
"Photovoltaic leads, technology wins. The entire market is also pushing for technological innovation and upgrading." Tang Shanshan said.
"Group" combat competition for distributed new battlefield
The data shows that the new installed capacity of distributed photovoltaic power generation in 2016 increased by 200% compared with 2015. Although it is only 4.24GW, it shows an explosive situation. In the first quarter of 2017, the “grab roofing†war in the distributed photovoltaic market has kicked off. According to the “13th Five-Year Plan†of solar energy, distributed growth will occur.
The centralized gradual exit, distributed to the front of the stage. However, the development of this new battlefield is not smooth sailing. In particular, the call for quality roofs is difficult to find, difficult to achieve, and financing difficulties have been high. In addition, in the gradual “weaning period†of PV prices, whether distributed electricity prices will also decline is also a knot in PV companies.
In the interview, the reporter also learned the fact that some ordinary people have heard that they have to spend two or three thousand yuan, and they will return to the book in 5 or 6 years. In their view, it seems that it is better to work to work.
This seems to prove that with the promotion of photovoltaic poverty alleviation policies and the industrial and commercial rooftop PV market, most people do not have a comprehensive understanding of distributed PV. How to enhance people's perception of photovoltaics? How to realize photovoltaic realization? I am afraid that the first lesson for many PV salesmen to popularize in the pre-marketing of the distributed market.
However, in Tang Shanshan's view, every household can install PV at a normal state. She said that while living standards continue to improve, environmental problems such as smog are also plaguing everyone. In this context, on the one hand, the environmental awareness of ordinary people is constantly improving, on the other hand, they also have the need for idle high-quality roof reuse. .
In line with the trend, the new energy of the sea has also become a part of the distributed tide. In the distributed field, it is mainly responsible for Dongying Dahai Kelin Optoelectronics Co., Ltd., a brother company of Shandong Dahai Group. Compared with other companies, the Dahai Group has also launched the promotion of its 30 members of textile, non-ferrous metals, international trade and home textiles. The company first set up a sales outlet in Dongying City as the axis in Shandong, and built a “one-stop†distributed PV service on the basis of ensuring the quality of the PV system for 25 years.
At present, 5,000 companies are active in the distributed photovoltaic market. Who can get a share? Tang Shanshan said with a smile: "The decision is in the hands of the state, in the hands of the enterprise, and in the hands of the people. The sea will ensure the quality and service, and the people will use the 'green power' as soon as possible."
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High-efficiency single and polycrystalline dual-layout "group" combat distribution for photovoltaic enterprises
Abstract After the first quarter of silence, the PV market gradually warmed up in the second quarter. Taking advantage of the photovoltaic festival 2017SNEC Shanghai exhibition, a new round of war in the industry was once again ignited. As the PV policy is tilted towards distribution, the market for concentrated ground PV power plants has narrowed. Ordinary item...
After the first quarter of silence, the PV market gradually warmed up in the second quarter. Taking advantage of the photovoltaic festival 2017SNEC Shanghai exhibition, a new round of war in the industry was once again ignited.