[CNN Tianwan Nuclear Power Unit No. 7 was successfully connected to the grid for the first time] On October 8, the Tianwan Nuclear Power Plant Unit 7 of China National Nuclear Power Investment Holding, a subsidiary of China National Nuclear Corporation, was successfully connected to the grid for the first time on October 8, officially sending the first kilowatt hour of electricity to the grid, laying a solid foundation for the subsequent commercial operation of the unit. It is understood that Tianwan Nuclear Power Base plans to build 8 units. Units 1-6 have safely and stably generated more than 550 billion kilowatt hours. Unit 7 is expected to be put into commercial operation within the year. After all eight units of the Tianwan Nuclear Power Base are put into operation, the total installed capacity will exceed 9 million kilowatts, the annual power generation will exceed 70 billion kilowatt hours, and the annual carbon dioxide emissions will be reduced by 57.4 million tons.