On November 8th, at the “Safety. Efficient. Clean – 2013 China Green Energy Summit Forum†held in Beijing, the “electric energy substitution†strategy of the State Grid was unanimously acknowledged by experts. Experts at the meeting believed that the focus of “electric energy substitution†should be “green energy,†not only that the power source as a secondary energy source is “green cleanâ€, but also that primary energy sources should also be “green cleanâ€, such as hydropower, wind power, Photovoltaic power generation.
Yu Yanshan, Director of the Development and Planning Department of the National Energy Administration pointed out that the recent data show that China’s green power investment has been much higher than conventional power in recent years. In 2012, China’s green power investment reached 272.9 billion yuan, accounting for 73.1% of all power investment. The rapid development of green power provides the conditions for the realization of "green power substitution".
“But the distribution of green energy resources in China is not balanced, and the power point is far from the load center. Wind, water and solar energy resources are mostly distributed in the economically underdeveloped regions such as the north, west and southwest, and have low power consumption and limited local capacity. “Yan Yanshan said that this requires that China must develop large-scale long-distance transmission, and transfer the abundant green power of wind power, optoelectronics, etc. in the northwest to the eastern and central load centers through UHV, so that it can not only drive the economic development in the west, but also Relieve the air pollution in eastern cities and provide a steady stream of green power support for beautiful China.
Jiang Liping, vice president of the State Grid Energy Research Institute, said that in order to develop green electricity, it must ensure that it is green and low-carbon from all aspects of development, transportation, and consumption. From the point of view of electrical energy substitution, it is a large-scale, intensive development of renewable energy, the use of electricity instead of coal transmission, pure electric vehicles instead of fuel vehicles, all the links of production, transportation, consumption, etc. achieve green low-carbon, only in this way can we achieve China The great development of green energy.
Xu Ayuan, deputy director of the marketing department of the State Grid, said that an important part of the State Grid “electricity substitution†is to support and promote the development of clean and renewable energy such as wind power, hydropower and photovoltaic power generation, and to achieve clean renewable energy through the UHV smart grid. Optimize the configuration with high efficiency to realize the replacement of fossil fuels such as thermal power.
“As the technology matures and the economy grows more and more, the proportion of green and new energy, such as wind power, photovoltaic power generation, biomass power generation, etc., has gradually increased and it has become an important part of the modern energy supply system.†Deputy Director, Development Planning Department, State Grid Corporation of China Zhang Zhengling stated that the State Grid fully supports the development of green new energy. The scale of hydropower transmission will exceed 84 million kilowatts in 2015; wind power will reach 100 million kilowatts in 2015 and 200 billion in 2020; solar photovoltaic power generation will be 21 million kilowatts in 2015. It will reach 50 million kilowatts by 2020.
Zhang Zhengling said that the power grid is an important basic platform for the allocation of renewable energy resources. China's renewable energy resources are concentrated and reversely distributed with the load. Large renewable energy bases are located 1,000 to 3,000 kilometers from the central load center. The integration of large-scale renewable energy bases into large power grids and the establishment of a market platform for the optimal distribution of renewable energy throughout the country is the fundamental way for the large-scale development and efficient use of renewable energy.
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