Abstract
Poland has had a total of 70 mines, but now more than half of them is out of operation. This mining closure raises with respect to the environment and unemployment. Innovative technology is needed to overcome the problems that arise and could simultaneously make use of abandoned mine infrastructure. The increased electricity generation coming from renewable energy, which produces fluctuating and intermittent energy for the electric power system, causes frequency problems such that energy storage technologies are needed. Abandoned mines can be used for the implementation of energy storage plants. This paper explores the possibility of using abandoned mines in Poland for electrical energy storage. Closed mines can be used to store clean and flexible energy. This idea has the potential to support sustainable economic development within the community following mine closure in Poland.
Highlights
Some review papers in the literature provide a more detailed review of one energy storage topic, such as a review of hydrogen energy storage, whereas the purpose of this paper is to provide an overview of several electrical energy storage technologies that may be utilized in abandoned mines in Poland, as well as to draw comparisons between these systems
Excess electricity generated that is not used due to low demand can be converted into were built in salt deposits, while other storage facilities have been built in partially depleted gas with the Power to Gas (PtG) system and stored underground
This paper reviewed and compared the technology available for redeveloping abandoned mine shafts in Poland for the purpose of electrical energy storage
Summary
By 2040, global energy demand will increase significantly, and the demand for energy sourced from renewable sources is predicted to have increased by 15% [1]. The coal and lignite mining sector is an are used to meet Poland’s electrical energy needs, accounting for a percentage of 78.3%, important part of the Polish economy. Hard coal and lignite by more than 50%, from 150 million tons in 1990 to 70 million tons of coal in 2016 This is are used to meet Poland’s electrical energy needs, accounting for a percentage of 78.3%, due the closure of coal mines, with 40 ofisthe. This paper reviews the types of electrical energy storage that can be applied to abandoned mines in Poland by focusing on a comparison of their operating principles, technological factors, advantages, and disadvantages. Due to the great amount of information on particular topics, some relevant articles were unable to be included, as they did not fit the aim of this article
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