两大电网余缺互济保供应（经济新方位）

Core Insights - The article highlights the record high electricity load in China's State Grid area due to extreme weather conditions, with peak loads reaching 1.223 billion kilowatts over three consecutive days [1] - The establishment of a normalized electricity trading mechanism between State Grid and Southern Grid is a significant development aimed at enhancing electricity supply security and market efficiency [2][3] Group 1: Electricity Load and Supply - The electricity load in Hefei, Anhui, has exceeded last year's peak multiple times since July, indicating a sustained high demand [1] - The State Grid has been operating at high capacity, with the need for over 50 Three Gorges power stations to meet the peak load [1] - The normalized electricity trading mechanism allows for the transfer of over 20 billion kilowatt-hours of electricity from Southern regions to Eastern regions, equivalent to the annual consumption of over 800,000 households [2] Group 2: Cross-Grid Trading Mechanism - The new trading mechanism facilitates the exchange of surplus electricity from Southern regions, which have experienced early rainfall and stable load, to Eastern regions facing high demand [3] - The trading system is likened to a nationwide "online electricity marketplace," enhancing competition and ensuring supply during critical periods [3] - The cross-grid trading has the potential to increase transaction volumes significantly, with expectations of over 100 million kilowatt-hours traded from July to September [3] Group 3: Challenges and Solutions - Previous limitations in cross-grid electricity trading were due to a lack of a standardized market mechanism, relying instead on government agreements and emergency dispatch [5] - The complexity of organizing cross-regional transactions has been addressed by developing detailed operational guidelines and improving technological integration between trading platforms [6] - Future plans include further enhancements to the national electricity market system to optimize resource allocation and facilitate broader cross-grid trading [6]