"This year is the most stressful year for power supply and demand in recent years. The total power gap may exceed the worst in history in 2004." Shuai Junqing, deputy general manager of State Grid Corporation, predicts that only 26 provinces within the scope of the State Grid are operating. The power gap will reach 30 million kilowatts. Among them, 10 provincial-level power grids such as Beijing-Tianjin-Tangshan, Hebei, Shanghai, Jiangsu, Zhejiang, Anhui, Hunan, Henan, Jiangxi, and Chongqing will have tight supply and demand.
Shuai Junqing further predicted that if the supply of coal still continues the current situation, the contradiction between power supply and demand during the peak summer will be further aggravated. It is expected that the power gap will be expanded to 30 million kilowatts to 40 million kilowatts, and power shortages are concentrated in North China, East China and Central China. The northeast and northwest power grids have surplus power of more than 13 million kilowatts and 14 million kilowatts respectively.
"At present, some provinces in East China and Central China have begun to limit production and limit electricity for industrial users. The scale of power cuts during the peak summer season will be further expanded." Shuai Junqing said.
â– Coping
State Grid: priority to protect residential electricity
In response to the most serious power shortage that may have occurred this summer since 2004, the State Grid Corporation, a large central enterprise that supplies electricity to 26 provinces, promised on the 23rd that it will actively take measures to ensure the orderly supply of electricity, giving priority to residents' lives, hospitals, and Schools and other important users of public interest and national security use electricity.
In response to the severe power consumption situation this summer, the State Grid promised to give full play to the role of large-scale power grid resource allocation and demand-side power management, fully guarantee the orderly supply of power, and resolutely guard against large-scale power outages and large-scale blackouts. Ensure the safe and stable operation of the power grid, ensure reliable power supply to key cities and important users, ensure the electricity consumption of urban and rural residents, and meet the needs of the whole society.
Shuai Junqing said that the State Grid will strictly control the use of electricity by the “two high†enterprises and overcapacity industries, and reduce the demand for unreasonable electricity. Cooperate with the local government to improve the peak-to-valley time-of-use electricity price, strictly implement the differential electricity price of high-energy-consuming industries, and increase the adjustment of price leverage.
He said that in accordance with the principle of "limited security", a sound and orderly electricity plan will be formulated to achieve "limited power cuts" and priority to ensure that residents' lives, hospitals, schools and other public interests and national security are important. The user uses electricity. According to Xinhua News Agency
â– Causes
High-energy industry is the "accomplice" of power shortage
For the "electricity shortage" coming ahead of this summer, Shuai Junqing, deputy general manager of the State Grid Corporation, said that there are four main reasons.
◠For a long time, China's power development has been dominated by local balance, and energy allocation has relied too much on coal. The proportion of coal transportation and transmission in the coal transfer area of ​​Shanxi, Shaanxi and western Inner Mongolia is 20:1. The proportion of coal transportation and transmission in East China Coal Transfer Zone is 48:1, and the proportion of transmission is obviously low, which brings tight transportation capacity and rapid rise in coal prices. And other issues.
â— The space for thermal power development in the eastern part of China is extremely limited, and it is urgent to input large-scale power from the western and northern energy bases through the inter-regional power grid. However, the current cross-regional power grid construction is lagging behind, and the trans-regional power transmission capacity is insufficient. The surplus power in the northeast and northwest power grids is difficult to support North China, East China and Central China Power Grid.
â— As the price of coal has risen sharply, it is much higher than the adjustment of electricity price. As a result, thermal power enterprises “have more power generation and more lossesâ€, and the willingness to generate electricity has been declining. Even the coal-fired power base prefers to sell coal that is unwilling to generate electricity.
◠The high-energy-consuming industry “heads up†is an important reason for the increase in electricity consumption. Last year, the capacity of high-energy-consuming industries that were suppressed by the pressure of energy-saving and emission-reduction standards was released. In the first quarter, the growth rate of electricity consumption in high-energy-consuming industries such as chemicals and building materials contributed more than 30% to the total electricity consumption of the whole society.
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