International smart grid construction goes all the same

Recently, business leaders from many countries including the United States, Japan, and Europe gathered in Beijing to participate in the World Smart Grid China Focus 2010 Summit hosted by SZ&W Group. A forum held for the first time attracted so many foreign companies. The market appeal of China's smart grid is evident.

The connotation of the Chinese and foreign smart grids are the same? How is the foreign smart grid market developed? How is China's smart grid construction progressed? With these questions, a reporter from the Scientific Times interviewed a number of experts.

According to the reporter, the development of the grid in China, the United States, and the European Union is based on the reporter's understanding that the current development of the power grid in the world can be summarized as two major trends: one is the unified or joint UHV grid; the other is a distributed smart grid with distributed and interactive power supply. China is the main representative of the former, and Europe and the United States are the representatives of the latter kind of smart grid.

Richard Schomberg, Vice President of the French Electric Power Company and Chairman of the IEC Smart Grid Strategy Group, gave an in-depth coverage of the origins of smart grid construction in various countries during an interview with the Scientific Times reporter.

He pointed out that the smart grid originated in the United States. As early as 2001, due to rapid economic development, power consumption continued to increase, resulting in many major blackouts in the United States. Second, although the US power infrastructure is old, due to deregulation, no one dares to invest in maintenance; The construction of new power plants also requires substantial investment. In this context, the United States put forward a smart grid, hoping to increase some intelligence and information control measures.

The power grid in Europe is in good condition, but Europe is the earliest and most successful region for wind power development in the world. By the end of 2009, the installed capacity of wind power in Europe had reached 76.15 million kilowatts. From 2004 to 2005, with increasing attention to renewable energy sources, Europe proposed the use of computer technology to help manage and balance the balance between electricity generation and electricity use in the grid to accept large amounts of distributed intermittent renewable energy. .

For these two reasons, more and more discussions on greenhouse gas emissions and global warming have been taking place. Governments have started to seek solutions and smart grids have become an option.

In China, there is another version of the story. In addition to the requirements for renewable energy development, a major feature of China is that economically developed areas are concentrated in the east, while energy and resources are mainly in the west.

In an interview with a reporter from the "Scientific Times," Academician Xue Yusheng of the Chinese Academy of Engineering pointed out that China's resources, energy distribution and economic development are extremely incoherent - 4.8% of the land in the east has created 30% of GDP, resulting in two-thirds of energy demand concentrated in In the eastern region, in fact, two-thirds of China’s coal, wind, and solar power are in the northwest, and four-fifths of the hydropower resources are concentrated in the southwest. "Therefore, China's smart grid must also emphasize both strong and smart characteristics." He said that this requires that China's power system must have efficient transmission.

On July 8, 2010, the Sichuan Xiangjiaba-Shanghai ±800 kv UHVDC transmission demonstration project was independently commissioned by China's independent research, design, and construction.

Schomberg commented: "China has developed the world's most advanced UHV grid."

UHV grids do not require computing and communication technologies. Experts attending the forum pointed out that China’s smart grid emphasizes the characteristics of “strongness” and “unity”. China’s political system, economic environment, and management system also make the grid advance in this direction with certain advantages; The power grid is more emphasis on information management and user demand side response.

Schomberg concluded that although the history of the development of smart grids varies from country to country, they are now at the same intersection—all interested in the same technologies and solutions. "So it can be said that Europe and the United States have different considerations, but they all came to the same conclusion and eventually found a similar solution," said Schomberg.

Corporate cooperation has extensively established data showing that by 2020, the smart grid will cover 80% of the world's population. According to PikeResearch's forecast, the total investment in smart grids in the world from 2008 to 2015 is expected to reach US$200 billion, with US$53 billion in the United States alone.

The great prospect has attracted many multinational companies to invest. They include traditional power equipment suppliers such as ABB and General Electric, and IT companies such as IBM and Oracle. In addition, Cisco, privately-owned SilverSpring Networks, and even some telecom operators are hoping to gain a foothold in the smart grid.

Semiconductor manufacturers may become the biggest beneficiaries of smart grids. Transformers, substations, and home energy management devices that control home appliances require a large number of microprocessors to analyze information. Bazmi Husain, head of ABB's global smart grid division, said that modernization of the power grid and automation have become the main source of future growth. ABB also invests in smart grid infrastructure providers.

As the fifth largest power holding company in the United States, Duke Energy provides services to 4 million users in five US states. David Mohler, senior vice president and chief technology officer of Duke Energy Corporation, said in an interview with the Scientific Times on October 28th that Duke Energy’s initiatives to develop smart grids cover all aspects of the energy sector, from generation, transmission and distribution. To improve service quality and improve energy efficiency projects. "The strategy of our smart grid focuses on five aspects: system, user participation, communications, government regulation, and partners."

Cisco is a major partner of Duke. Last year, Cisco introduced a "Smart Connected Building" solution. According to its customer report, the product has saved the company $2 million in less than a year. In 2011, Cisco plans to launch a similar home energy controller. They predict that in the next seven years, the global power infrastructure informationization will have a market of 15 billion to 20 billion US dollars.

In fact, many companies have formed a cooperative relationship. The United States GridWise Alliance is an industry organization established to promote the development of smart grids and was established in 2003. Its members include hundreds of companies such as IBM, ABB, AT&T, Siemens, GE, and Google.

Yang Junqian, Chief Expert of Smart Grid, Electric Vehicles and New Energy at Schneider Electric in China, has a certain representativeness on the forum. He believes that at the current stage of the smart grid field, "there are no competitors, only partners."

Mohler believes that cooperation is particularly important for building smart grids, especially in standard setting.

Compared to Europe, U.S. companies receive more funding from the government. U.S. government stimulus plans allocate 11 billion U.S. dollars for smart grid technologies and support the implementation of smart grid research and demonstration projects. Utilities can receive up to the U.S. Department of Energy2 Billion dollar funding. A real problem plaguing European companies is: Who will pay for the high cost of constructing the power grid? Experts analyze that the cost of installing supporting facilities for traditional high- and low-voltage power grids is more than six times that of electricity meters.

France has emerged disputes over the unclear distribution of smart grid construction costs. In July this year, the French National Electricity Company (EDF) complained to the French Energy Regulatory Commission (CRE) about Voltalis in risk of monopolization, claiming that it sold an instrument that could reduce power consumption. His own interests and demands compensation. As such equipment can effectively reduce civilian electricity consumption, many companies have issued protests. However, the design and sale of this instrument is precisely for the same purpose as the popularization of smart meters in the future.

People hope that the construction of a smart grid will not increase consumer costs. This is a great challenge. There is no doubt that a solution must be found for this purpose.

China's investment will enter a period of rapid growth. On June 29, the "Smart Grid Technology Standard System Plan" and "Smart Grid Key Equipment (System) Development Plan" compiled by the State Grid Corporation of China were issued. Subsequently, after the State Grid Corporation of China launched the bidding for the first batch of main equipment of the smart grid in July, the second and third batch of projects for the smart grid were launched in early September and late September respectively.

Some agencies believe that with the development direction of the smart grid in China has been made clear, China's smart grid investment is about to enter a period of rapid growth. For example, China Create Securities believes that in 2011 China will usher in the peak of smart grid construction.

Smart grid construction will be the main direction for the development of China's power grid in the next ten years. According to the plan of the State Grid Corporation, the construction of a strong smart grid will be promoted in three phases. The total investment is expected to exceed 4 trillion yuan in three phases. The first phase is planned to invest 550 billion yuan in the pilot phase (2009-2010); the second phase is expected to invest 2 trillion yuan in the comprehensive construction phase (2011-2015), of which UHV power grid investment 300 billion yuan; The third phase is the lead-up phase (2016 to 2020). The estimated investment is 1.7 trillion yuan, of which UHV investment is 250 billion yuan, and the smart grid will be built by 2020.

Analysts pointed out that if China promotes the smart grid in a large scale before 2015, it will require the country to vigorously construct the UHV backbone network and start the grid automation market on this basis. By then, there will be a huge space for secondary power equipment, and the transmission grid automation control and integrated dispatch system will become a hot spot in the market.

GE once estimated that the market will reach 60 billion U.S. dollars over the next decade.

Shu Yinhao, deputy general manager of the State Grid Corporation of China, once said in an interview with the media: "China's smart grid construction will be based on independent innovation, and on the premise of ensuring technical quality, we will focus on adopting independent products and technologies to improve the level of China's equipment manufacturing industry. ."

This news is undoubtedly a big plus for smart grid-related Chinese companies. In fact, as early as in May of 2009 when the State Grid announced the smart grid development plan to the society for the first time, domestic related companies such as Guodian NARI, Huawei, ZTE and other companies have taken actions. Even some companies that have nothing to do with the grid have begun to adjust their layout and enter the smart grid. For example, the Shenzhen Aerospace Science and Industry Corporation announced the acquisition of two power equipment manufacturers, plans to use this as a platform to enter the smart grid field; Holley Pharmaceuticals said it would sell its pharmaceutical companies and concentrate resources on the smart grid.

However, the number of foreign companies attracted from this forum can be judged: no one will give up the competition for the Chinese market. According to an expert from the State Grid Corporation of China, although some equipment technologies in domestic power grid construction have reached or are at the leading level in the world, there is still a big gap in the smart grid field. He reminded relevant domestic companies to make more efforts on the core technologies of smart grid key equipment.

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