A quantitative assessment of the hydrogen storage capacity of the UK continental shelf

A quantitative assessment of the hydrogen storage capacity of the UK continental shelf
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英国大陆架储氢能力的定量评估

DOI:
10.1016/j.ijhydene.2020.12.106
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发表时间:
2021
影响因子:
7.2
通讯作者:
Scafidi J
Scafidi J
中科院分区:
工程技术2区
文献类型:
--
作者:
Scafidi J

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可再生能源渗透率的提高和英国天然气供应的脱碳将需要大规模的储能。使用氢气作为储能载体,我们估计需要150 TWh的季节性储能来替代天然气生产的季节性变化。大规模储存最适合于多孔岩石储层。我们提出了一种方法来量化的氢存储容量的气田和咸水层使用以前用于评估CO2存储潜力的数据。我们计算的P50值为6900太瓦时的工作气体容量的气田和2200太瓦时的盐水层在英国大陆架,假设气垫气的要求为50%。敏感性分析表明,具有能承受高压的封闭岩石的低温储存场地是理想的场地。北海南部的气田可以利用现有的基础设施和大型海上风电开发项目来开发大规模的海上制氢。
Increased penetration of renewable energy sources and decarbonisation of the UK's gas supply will require large-scale energy storage. Using hydrogen as an energy storage vector, we estimate that 150 TWh of seasonal storage is required to replace seasonal variations in natural gas production. Large-scale storage is best suited to porous rock reservoirs. We present a method to quantify the hydrogen storage capacity of gas fields and saline aquifers using data previously used to assess CO2storage potential. We calculate a P50 value of 6900 TWh of working gas capacity in gas fields and 2200 TWh in saline aquifers on the UK continental shelf, assuming a cushion gas requirement of 50%. Sensitivity analysis reveals low temperature storage sites with sealing rocks that can withstand high pressures are ideal sites. Gas fields in the Southern North Sea could utilise existing infrastructure and large offshore wind developments to develop large-scale offshore hydrogen production.
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