Summary:
- The article discusses a record $57.4 billion investment plan by China's State Grid Corporation, the world's largest utility company. This plan is aimed at upgrading and expanding China's power grid infrastructure.
- The investment will focus on building new ultra-high voltage transmission lines and modernizing existing grid networks. This is expected to improve the efficiency and reliability of China's power supply.
- The article also mentions that the investment plan has led to a surge in the stock prices of Chinese power companies, as investors see it as a positive development for the industry.