Wen Yi Changhumu.
Integrating power generation and energy storage, the photothermal project has advantages.
With China's first 100 MW class photothermal power station-maiden voyage energy-saving Dunhuang 100 MW tower photothermal demonstration power station successfully connected to the grid for power generation, how to better develop photothermal power generation has become the focus of this summit. At the meeting, many experts said that photothermal power generation is still a "niche" field of renewable energy, but compared with wind power and photovoltaic, photothermal power generation has its incomparable advantages, integrating power generation and energy storage, and is a stable and controllable power source with broad development prospects.
At present, China has determined that by 2020 and 2030, the proportion of non-fossil energy in primary energy consumption will reach 15% and 20% respectively. This means that by 2030, the proportion of solar power generation will reach 10%, and the proportion of wind power will also reach 10%. According to this ratio, the converted photovoltaic installed capacity needs to reach 720 million kilowatts. At the same time, according to the planning target, the installed capacity of coal-fired thermal power will be reduced to 900 million kilowatts by 2030. Large-scale photovoltaic devices need to be equipped with energy storage facilities, and energy storage faces the problem of high cost.
According to Sun Rui, vice president of the Electric Power Planning and Design Institute, the installed photovoltaic capacity of 720 million kilowatts should match the energy storage capacity of 380 million kilowatts. 100 MW photothermal project can reduce the supporting energy storage of 380 MW to 130 MW. The advantages of photothermal projects are self-evident.
Chen, director of Jiuquan Energy Bureau, said: "Photothermal power generation enjoys a higher benchmark electricity price than wind power and photovoltaic power generation, and it is not limited to electricity. This is based on the strategic consideration of the green revolution and the construction of ecological civilization, and it also shows that China's photothermal power generation has broad prospects. "
The cycle is long, and it needs precipitation to usher in an outbreak.
Photothermal power generation and photovoltaic are essentially different, and the cycle of photothermal industry is relatively long, which requires patience.
Jin Jianxiang, Chairman of Zhejiang Kong Zhong Solar Energy Technology Co., Ltd. said: "Photovoltaic is a growth point of the electronics industry. Manufacturers can't design photovoltaic panels for you alone, they are all mass-produced. Light and heat is a mechanical industry, and each device is customized, and there is almost no commonality. Photovoltaic construction and verification are very fast, completed in less than half a year, and it will soon prove whether it has reached production. The photothermal construction period is more than two years, and it will take another two years to verify the technical route after completion. However, once the photothermal project has passed the inflection point, it will usher in explosive growth. If domestic photothermal projects have good power generation data in the next two years, the industry will enter a stage of explosive growth by the end of 2020, and it may be too busy at that time. "
Wang, deputy director of the New Energy Department of the Hydropower and Water Conservancy Planning and Design Institute, said: "The construction process of the photothermal project is quite similar to that of offshore wind power. The previous stage made slow progress, and the later stage will usher in explosive growth. The similarity between the two is also reflected in the huge investment; Complex technology and high technical risk; In many links, it is a series relationship. One problem may bring the interruption of the whole chain and directly affect the final result. "
"Domestic offshore wind power started in 2005-2006, but it was not until 20 17-20 18 that the explosion point really came, and the industry began to accelerate. The photothermal power generation industry also needs to go through a process of development and precipitation in order to usher in a real outbreak. " Wang said to him.
Policy support and industrial chain coordination are indispensable.
As a new industry, the further development of photothermal power generation can not be separated from the support of national and local policies, and in the long run, it can not be separated from the coordination and cooperation of the entire industrial chain.
Some participants said: "The high cost of land acquisition is a big problem facing the industry. If the thermal power station is the same as the photovoltaic power station, it will change from face-to-face signing to point signing, and the financial pressure of the enterprise will be much smaller. "
In this regard, Xu Xiaodong said: "As a government, we should take a long-term view and give some preferential conditions. For example, land can be considered for free use at first. Although there is no direct income at the beginning, it can bring popularity and other industries. With popularity, local development has a foundation. "
Another problem facing the development of light and heat is financial subsidies. Wang said frankly: "The rapid price reduction or even parity of wind power and photovoltaic is good for photothermal power generation. On the one hand, only when photovoltaic and wind power withdraw from subsidies can the space for subsidies be given to other industries; On the other hand, the enhancement of wind power and photovoltaic economy is conducive to the integration and development with photothermal power generation. "
Zhao Xiong, deputy general manager of China Guangdong Nuclear Power New Energy Delingha Co., Ltd. said that it is no problem to rely on subsidies in the short term, but the industry should not always rely on subsidies for sustainable development.
Gao Feng, general manager of maiden voyage energy conservation, said: "The whole photothermal industry chain must support and maintain each other, and * * * will jointly develop this industry. Although there is competition in some projects, we should take a long view. The photothermal market is large enough to require more enterprises to gather in the photothermal industry. "
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Produced by | China Energy News (ID: CNEnergy)
Editor | Lu Qixiu