（新春走基层）世界最大“充电宝”里的春节守护者

Core Viewpoint - The Hebei Fengning Pumped Storage Power Station, known as the world's largest "power bank," plays a crucial role in ensuring electricity supply during the Spring Festival, showcasing its capabilities in energy storage and stability for the North China power grid [1][3]. Group 1: Company Overview - The Fengning Pumped Storage Power Station, located in Fengning County, Hebei Province, has a total installed capacity of 3.6 million kilowatts and was initiated in 2013, making it a significant player in China's energy sector [1]. - The station utilizes large variable-speed pumped storage units, which offer advantages such as adjustable load during water pumping and rapid frequency response, effectively accommodating the randomness and volatility of renewable energy generation [1][3]. Group 2: Operational Insights - During the Spring Festival, when industrial operations halt, the station acts as a "storage device" for excess green electricity generated from wind and solar sources, converting surplus energy into potential energy by pumping water to an upper reservoir [3]. - At peak evening electricity usage times, the station releases water from the upper reservoir to generate electricity, thus filling the gap in the power grid [3][5]. Group 3: Workforce Commitment - The commitment of the station's staff, such as the deputy team leader of the equipment department, is highlighted, with employees working 24-hour shifts to ensure the safety and stability of the equipment during the holiday [5]. - The meticulous nature of equipment inspections is emphasized, with staff required to pay close attention to minor details that could impact the overall operation of the power station [5].