Xin Lang Cai Jing·2026-01-20 00:36Core Insights - The rapid development of AI technology is driving explosive growth in data center construction, which significantly increases electricity demand and is a major reason for the electricity supply gap [2][9] - The electricity index is currently at a historically low valuation, with a PE ratio of approximately 17 times as of December 31, 2025, providing a certain margin of safety for investors [4][12] Group 1: Electricity Demand and Supply - Data centers are becoming the core growth engine for electricity demand due to their massive power consumption [2][9] - The electricity supply gap is primarily caused by the increasing energy needs of data centers [2][9] Group 2: Index Composition and Weighting - The index includes various power generation methods with the following weightings: thermal power (40.81%), hydroelectric (24.81%), wind (14.25%), nuclear (11.83%), and solar (6.87%) [10][11] - The top ten weighted stocks in the index include leading companies such as Changjiang Electric Power, China Nuclear Power, and Three Gorges Energy, collectively accounting for 52.07% of the index [3][10] Group 3: Valuation Insights - The current valuation of the electricity index is lower than most of the past decade, indicating potential investment opportunities [4][12] - The historical PE ratio trend of the index suggests a favorable entry point for investors [5][12]