这个超级“充电宝”让临沂电力“满格”

Core Insights - The article discusses the significance and operational efficiency of the Yimeng Pumped Storage Power Station, referred to as a "super charging treasure," located in the mountainous region of Shandong, China [3][5]. Project Overview - The Yimeng Pumped Storage Power Station features two reservoirs with a height difference of 375 meters, enabling efficient energy conversion [3]. - The project, a major energy initiative during Shandong's 12th Five-Year Plan, was approved in September 2014 and began construction in 2015, with full operation achieved in March 2022, one year ahead of schedule [3][4]. - Total investment in the project is 6.34 billion yuan, with a total installed capacity of 1.2 million kilowatts [3]. Technological Innovations - The project utilized acid aggregates for the first time in the hydropower industry, solving key issues related to adhesion and performance, saving 17 million yuan in costs [4]. - The station achieved a "zero counterweight" installation for high-speed, large-capacity units, demonstrating advanced design and manufacturing capabilities [4]. Operational Performance - Since its commissioning, the power station has generated approximately 6.6 billion kilowatt-hours of electricity and has pumped around 8.2 billion kilowatt-hours of water, maintaining a high operational intensity [4]. - The facility operates efficiently, performing two pumping and two generating cycles daily, ranking among the top in the national grid's pumped storage stations [4]. Role in Energy Management - The power station acts as a "smart regulator" for the grid, addressing the challenges posed by the intermittent nature of renewable energy sources like wind and solar [5]. - It converts low-value off-peak electricity into stored potential energy and releases it during peak demand, effectively mitigating energy waste [5]. Environmental and Economic Impact - The construction of the power station has improved the local ecological environment, enhancing vegetation coverage and creating a stable water ecosystem [7]. - The project has generated significant local economic benefits, contributing 1.2 billion yuan annually to local finances and creating over 4,000 jobs [9]. - The station supports rural revitalization by providing stable employment opportunities and boosting related industries [9]. Future Developments - The company plans to enhance operational efficiency and is exploring new strategic projects, including the Rizhao Wulian Pumped Storage Project [9]. - The ongoing operations align with the broader goals of energy transition and sustainable development in the region [9].