A study released by the University of Edinburgh on January 21 said that the porous rocks on the seabed of the British North Sea are expected to be used for long-term storage of electricity generated by renewable energy generation, thereby solving the storage problem of offshore wind power and so on.

　　The use of renewable energy sources such as wind and solar power to generate electricity often depends on weather conditions. Therefore, if you want to use it as a continuous and stable power supply method, it is necessary to find reliable and cheap energy storage technology. Researchers from the Universities of Edinburgh and Strathclyde used mathematical modeling to assess the potential of a technology called compressed air energy storage, combining it with data on geological formations in the UK's North Sea to analyze the UK's Energy storage capacity.

　　Researchers say deep wells are drilled into porous rock in the North Sea seabed, using electricity generated from renewable energy sources to create compressed air, which is then stored under high pressure in the pores of the rock; in the event of power shortages This compressed air can be extracted to drive turbines to generate electricity.

　　Relevant research results were published in the latest issue of the British magazine "Nature Energy". Julian Muly-Castillo of the University of Edinburgh, one of the report's authors, said the technology has the potential to store renewable energy generation in the summer for use during peak demand in the winter. However, Muli-Castillo also admitted that although this method is feasible, the cost may be relatively high. "More research is needed in the future to improve this technology in order to reduce the cost."

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