四川：2项迎峰度夏重点电网工程投运

Group 1 - The core viewpoint of the articles highlights the successful commissioning of two key power transmission projects in Sichuan, which are essential for meeting the increasing electricity demand in the region by 2025 [1][2] - The Baotang Hydropower Station, with a capacity of 750,000 kW and an average annual generation of approximately 3 billion kWh, is a significant addition to the Sichuan power grid [1] - The Chengdu Financial City 220 kV substation project, designed as an indoor GIS smart substation, adds 480,000 kVA of capacity to support electricity needs in Chengdu's Jinjiang District and High-tech South District [2] Group 2 - The Sichuan Electric Power Company is undertaking 13 key projects to ensure reliable electricity supply during peak summer demand, with plans to complete all by the end of June [1][2] - The construction of the Baotang Hydropower Station faced challenges due to high-altitude conditions and environmental concerns, leading to optimized construction methods to minimize ecological impact [1] - The Chengdu Financial City project utilized night-time construction to reduce disruption to municipal and traffic operations, completing 14.6 kilometers of underground cable installation in 45 days [2]