Pumped Storage Hydropower in Abandoned Mine Shafts: Key Concerns and Research Directions

The quest for carbon neutrality raises challenges in most sectors. In coal mining, overcapacity cutting is the major concern at this time, and the increase in the number of abandoned mine shafts is a pervasive issue. Pumped storage hydropower (PSH) plants built in abandoned mine shafts can convert i...

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Published inSustainability Vol. 14; no. 23; p. 16012
Main Authors Lyu, Xin, Zhang, Tong, Yuan, Liang, Yang, Ke, Fang, Juejing, Li, Shanshan, Liu, Shuai
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.12.2022
Subjects
Abandoned mines
Alternative energy sources
Basic converters
Carbon
Coal mining
Construction
Design and construction
Efficiency
Electricity
Energy development
Energy industry
Energy resources
Energy storage
Environmental aspects
Excavation
Hydroelectric power
Industrial development
Intelligence
Mine shafts
Pumped storage
Pumped storage power plants
R&D
Research & development
Reservoirs
Solar energy
China
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Summary:The quest for carbon neutrality raises challenges in most sectors. In coal mining, overcapacity cutting is the major concern at this time, and the increase in the number of abandoned mine shafts is a pervasive issue. Pumped storage hydropower (PSH) plants built in abandoned mine shafts can convert intermittent electricity into useful energy. However, studies on basic theories and key technologies are a pressing issue. Six key scientific problems have been identified in PSH development in abandoned mine shafts that are relevant to China’s national conditions, current resource structure, and relative status of energy storage technologies in China and other countries. It is proposed that the research on pumped storage should move closer to the direction of intelligence, stabilization, and greening, and the construction and development should gradually realize integration, completion, and coordination. The goal is to realize integrated, complete, and coordinated development of PSH in abandoned mine shafts, streamline national policies concerning PSH, drive the co-development of industry, education and research, and achieve the carbon neutrality targets set by China.
ISSN:2071-1050
2071-1050
DOI:10.3390/su142316012