Increasing coal supply, full power generation and "gas" storage -- front-line observation on the "big test" of energy and power supply
2021-10-29
For some time, the supply and demand of electric power and coal in China has been tight. With the increasing power demand for industrial production, the rapid rise of coal prices and the continuous entry of the heating season in northern China, the current situation of energy and power supply in China is complex and severe. Is the energy and power supply guaranteed this winter and next spring? At the Tashan Coal Mine Loading and transportation station of Jinneng holding group in Datong, Shanxi Province, a 10000 ton heavy haul train loaded with coal is sent to the coastal port through Daqin Railway. Since Shanxi Province signed medium and long-term coal supply guarantee contracts for the fourth quarter with 14 provinces, autonomous regions and cities, as of October 26, Jinneng holding group has shipped 3.292 million tons of guaranteed coal to 6 provinces including Guangxi, Jiangsu, Jilin, Anhui, Shanghai and Zhejiang. We will do everything possible to increase coal production and supply, generate more and more electric power, and increase natural gas production and storage. Central and local enterprises have taken various measures to do a good job in ensuring supply. Promote coal production and supply, and curb the irrational rise of coal prices. Inner Mongolia fully promotes the release of coal production capacity, actively implements the supplementary signing of medium and long-term agreements on power coal, and strives to stabilize the coal supply this winter and next spring. The reporter learned from Shanxi, a major coal province, that the main coal enterprises in Shanxi Province jointly promised on October 27 that the calorific value of 5500 kcal this winter and next spring will not exceed 1200 yuan / ton. Since this year, with the normalization of epidemic prevention and control, the economic recovery of some provinces has been strong and the power demand has increased rapidly. From January to September, the growth rate of power consumption in China reached 12.9%, and that in many provinces reached 16% to 20%. In the face of power demand, China Southern Power Grid Corporation promoted more and full power generation on the power generation side, improved the power supply capacity, accelerated the construction of key projects such as Guangdong target grid, Yunnan small hydropower transmission and Meizhou Yangjiang Pumped Storage, promoted the strengthening of coal-fired gas supply guarantee, and maximized the release of coal-fired and gas-fired power generation capacity. Recently, Hunan China Resources Liyujiang power plant's flexible power transmission project to Hunan was successfully put into trial operation. Two 330000 kW units flexibly supply power to Guangdong power grid subordinate to China Southern Power Grid and Hunan power grid subordinate to the State Grid, which can increase the power supply capacity of 660000 kW for Hunan. Zheng long, deputy general manager of the marketing department of China Southern Power Grid Corporation, said that China Southern Power Grid Corporation adheres to the national "west to East power transmission" strategy, takes advantage of the temporal and spatial characteristics of power generation and consumption and the differences of resource endowment among provinces, further strengthens mutual assistance among provinces and optimizes the arrangement of power grid operation mode. It is predicted that the temperature in the north this winter is lower than that in the same period of the year, and even extreme weather may occur. In order to ensure heating gas use in key areas, all localities shall organize gas supply enterprises to increase resource supply as much as possible and coordinate gas use resources as a whole. XIANGGUOSI gas storage of PetroChina Southwest Oil and gas field company, located at the junction of Beibei District and Yubei District of Chongqing, is an important gas source to ensure the supply of natural gas in Sichuan and Chongqing and Beijing Tianjin Hebei in winter. On October 20, XIANGGUOSI gas storage completed the gas injection in the ninth gas injection period, with a total gas injection of 1.914 billion cubic meters. The gas inventory of XIANGGUOSI gas storage has reached 99.5% of the total inventory, preparing for the "big test" of natural gas peak shaving and supply in this winter and next spring in early November. After the capacity expansion, the maximum daily gas production of XIANGGUOSI gas storage can reach 28.55 million cubic meters, which can meet the daily gas needs of about 56 million families. Since this year, Sinopec Southwest Petroleum Bureau has vigorously promoted exploration and development, and made every effort to promote the stable production of three production areas in Western Sichuan, namely, middle and shallow gas field, Yuanba gas field and Weirong shale gas field. As of October 25, this year, Southwest Petroleum Bureau has put into operation 72 new wells, with a new production capacity of 1.14 billion cubic meters and a production capacity of 6.33 billion cubic meters of natural gas, a year-on-year increase of 22%. As a major domestic natural gas supplier, PetroChina, Sinopec and other enterprises have made early deployment in the second half of the year, increasing gas field production, gas reservoir gas injection and increasing LNG import, making every effort to prepare for natural gas supply. On October 25, CNOOC has confirmed that the natural gas resources in the heating season are 26.8 billion cubic meters; On the 26th, Sinopec announced that it plans to supply 27 billion cubic meters of natural gas to the market in the heating season. (outlook new era)
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