Core Viewpoint - The construction of the State Grid New Source Liaoning Dayahhe Pumped Storage Power Station, a key national project with a total investment of 10.958 billion yuan, has officially entered the main construction phase [1] Group 1: Project Overview - The total installed capacity of the power station is 1.6 million kilowatts, featuring four reversible units of 400,000 kilowatts each [1] - The project will connect to the Northeast Power Grid at a voltage level of 500 kilovolts [1] - Upon completion, the annual power generation is expected to reach 1.605 billion kilowatt-hours [1] Group 2: Project Significance - The power station will play a crucial role in peak regulation, phase regulation, frequency regulation, energy storage, spinning reserve, and black start in the relevant region [1] - As of now, 62% of the preparatory construction work for the power station has been completed [1]