Led by China, Eastern Asia can meet key target for
A massive planned buildout of pumped storage hydropower (PSH) in Eastern Asia, driven by China, would allow this region to single-handedly meet the International Renewable
In 2021, the National Energy Administration made it clear in the Medium and Long Term Development Plan for Pumped Storage (2021–2035) that the construction of small and medium-sized pumped storage power stations should be planned according to local conditions in provinces with better resources.
Countries with a small proportion of conventional hydropower tend to deploy large-scale pumped storage power stations, such as France, Japan, South Korea and Germany.
In March 2025, the Commission launched the European Energy Storage Inventory, a real-time dashboard that displays energy storage levels across different European countries. It is the first European-level tool of its kind and offers energy storage data across a full range of technologies.
Small and medium-sized pumped storage power stations have unique development advantages, and the development and construction of small and medium-sized pumped storage power stations have important practical significance for optimizing the energy structure of Zhejiang Province.
The existing literature shows that pumped storage power stations can maximize the power balance of regional power grid, ensure the safe and stable operation of regional power grid, and realize the economic optimization of power grid operation through reasonable modeling and new energy distribution schemes.
Vigorously developing and building small and medium-sized pumped storage power stations is an important measure to solve the current imbalance in energy development in Zhejiang, and it is also an important measure to attract capital investment, ensure local electricity safety, and create a demonstration and pilot zone for common prosperity.

A massive planned buildout of pumped storage hydropower (PSH) in Eastern Asia, driven by China, would allow this region to single-handedly meet the International Renewable
In March 2025, the Commission launched the European Energy Storage Inventory, a real-time dashboard that displays energy storage levels across different European countries.
A new interactive platform delivers real-time clean energy storage insights as Europe shifts toward sustainable energy sources.
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Therefore, this paper analyzes the construction of small and medium-sized pumped storage power stations in Zhejiang from the aspects of construction background, technology
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Promoting the construction of flexible and decentralized small and medium-sized pumped storage power stations is conducive to implementing the dual-carbon goal and improving regional new
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