Research on pumped storage and complementary energy development models for abandoned mines in China

Abstract

Within the framework of achieving carbon neutrality, various industries are confronted with fresh challenges. The ongoing process of downsizing coal industry operations has evolved into a new phase, with the burgeoning proliferation of abandoned mines posing a persistent issue. Addressing the challenges and opportunities presented by these abandoned mines, this paper advocates for a scientific approach centered on the advancement of pumped storage energy alongside gas-oil complementary energy. Leveraging abandoned mine tunnels to establish pumped storage power stations holds significant ecological and economic importance for repurposing these sites. This initiative not only serves as an effective means to restore the ecological balance in mining regions but also provides an environmentally friendly approach to repurposing abandoned mine tunnels, offering a blueprint for economically viable pumped storage power stations. This article delineates five crucial scientific considerations and outlines seven primary models for the utilization of abandoned mine sites, delineating a novel, comprehensive pathway for energy and power development that emphasizes multi-energy complementarity and synergistic optimization within abandoned mines.

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