Geologic hydrogen storage is not new technology. There are several locations around the world that store hydrogen underground, predominantly in salt caverns, although there are other geologies believed to be suitable for large-scale storage.
- Kobos, Peter Holmes, Lord, Anna Snider, Borns, David James, and Klise, Geoffrey T. A life cycle cost analysis framework for geologic storage of hydrogen : a user’s tool.. United States: N. p., 2011. Web. doi:10.2172/1029761. https://prod-ng.sandia.gov/techlib-noauth/access-control.cgi/2011/116221.pdf
- Renewable Energy Storage: Combining Existing Dry Low NOX Combustion Technology with Proven Hydrogen Storage and Production Approaches, Mitsubishi Hitachi Power Systems, https://www.changeinpower.com/wp-content/uploads/2020/03/MHPS-ACES-Proven-Technology.pdf.