国内投资放量+海外AI缺电，电网板块上行，电网ETF（561380）涨超3.3%，近20日净流入超14亿元

Group 1 - The core viewpoint of the articles highlights the significant growth in the power grid sector driven by domestic investment and overseas demand for AI-related power supply, with the electric grid ETF (561380) rising over 3.3% and attracting over 1.4 billion yuan in net inflows in the past 20 days [1] - Global electricity investment is continuously growing due to the increase in renewable energy installations, which have a greater elasticity in demand for power equipment compared to traditional energy sources [1] - The domestic market has shown a resonance in demand for power equipment since the "14th Five-Year Plan," with strong demand for transformers and other main equipment, while the pace of ultra-high voltage projects is slightly below expectations [1] Group 2 - The electric grid ETF (561380) tracks the Hang Seng A-share Electric Grid Equipment Index (HSCAUPG), which reflects the performance of mainland listed companies related to electric grid equipment, focusing on power transmission and automation [2] - The index emphasizes trends in electric grid modernization and digital transformation, indicating a high concentration in the industry [2] - The expected fixed asset investment by the State Grid during the "15th Five-Year Plan" is projected to reach 4 trillion yuan, a 40% increase compared to the "14th Five-Year Plan," suggesting a continuous record high in grid investment [1]