Core Viewpoint - The Hainan Free Trade Port is set to fully operate with the completion of the Hainan 500 kV main grid project, marking a significant advancement in the region's power infrastructure [1] Group 1: Project Overview - The Hainan 500 kV main grid project has been fully put into operation as of December 15, which is a key project under the national "14th Five-Year" power development plan [1] - The project includes the construction of three new 500 kV substations and new transmission lines that pass through 14 cities and counties, including Haikou, Sanya, Danzhou, and Qionghai [1] Group 2: Infrastructure Impact - The project creates a complete "口" shaped ultra-high voltage ring network structure, representing a historic leap in the voltage level of Hainan's power grid from 220 kV to 500 kV [1] - The power transmission capacity has increased by over four times, allowing for more flexible distribution of electricity across the entire island, enhancing the safety and reliability of power supply [1]
海南500千伏主网架工程投产 海南自贸港电力输送能力提升超4倍
Jing Ji Guan Cha Wang·2025-12-16 05:12