四川电网13项迎峰度夏保供重点工程全部投运

Core Insights - The successful electrification of the 500 kV transmission project at the Bala Hydropower Station on June 30 marks the completion of 13 key projects in Sichuan's power grid for the summer peak demand of 2025, significantly enhancing the backbone of the Sichuan power grid and optimizing electricity resource allocation [1][2] Group 1: Project Overview - The 13 key projects include the construction of 704 kilometers of new lines and an additional substation capacity of 9.62 million kVA, which collectively enhance the power supply capacity of Sichuan's grid by 6.55 million kW [1] - The projects are designed to address the anticipated increase in electricity demand due to higher than normal summer temperatures, with a projected year-on-year increase in maximum electricity load of approximately 4% [1] Group 2: Engineering and Safety Management - The State Grid Sichuan Electric Power Company employs a "six precision and four optimization" construction philosophy, focusing on key milestones and scientific organization of construction to ensure safety and efficiency [2] - The company has implemented a combination of "cloud detection and on-site supervision" to manage risks and ensure that construction safety and progress are aligned [2] Group 3: Project Execution Challenges - The Bala Hydropower Station project faced significant challenges due to adverse weather conditions during its peak construction period, including low temperatures, snow, and heavy rain [2] - Despite these challenges, the project was completed four months ahead of schedule, allowing the 746,000 kW of clean hydropower and photovoltaic capacity to be integrated into the Sichuan power grid in time for the summer peak [2]