两大电网余缺互济保供应

Core Insights - The article highlights the record high electricity load in China's State Grid region due to extreme weather conditions, necessitating significant power generation capacity to meet demand [1] - The establishment of a normalized electricity trading mechanism between State Grid and Southern Grid is a key development aimed at enhancing power supply security and market efficiency [3][11] Group 1: Electricity Demand and Supply - From August 4 to 6, the electricity load reached historical highs of 1.222 billion kW, 1.229 billion kW, and 1.233 billion kW, equivalent to the output of over 50 Three Gorges power stations [1] - In Hefei, electricity load has exceeded last year's peak over 10 times since July, indicating a sustained high operational state of the grid [1] - The Southern Grid has contributed to alleviating power supply pressures by providing surplus electricity from regions with high water levels [6] Group 2: Cross-Grid Electricity Trading Mechanism - The normalized electricity trading mechanism aims to break the market segmentation between State Grid and Southern Grid, facilitating mutual support across the national power system [3] - Over 20 billion kWh of electricity will be traded between Southern and Eastern regions from July to September, enough to power over 800,000 households for a year [3] - The trading mechanism is likened to a nationwide "online electricity marketplace," enhancing power supply security during peak periods and stimulating market competition [7] Group 3: Challenges and Solutions - Previous challenges in cross-grid trading included a lack of a standardized market mechanism, leading to inefficient communication and coordination [10] - The new trading framework includes detailed processes for safety checks, transaction execution, and settlement, improving the efficiency of cross-grid electricity transactions [10] - Future plans involve expanding the trading mechanism to include various electricity sources and enhancing the overall design of the national electricity market [11]