Optimising production and long-term bulk storage of hydrogen from offshore wind in salt caverns in the Irish Sea

✨ Streethran, N., Byrne, K., White, J., O'Neill, N., and Leahy, P. (2026). 'Optimising production and long-term bulk storage of hydrogen from offshore wind in subsurface salt caverns', Journal of Energy Storage, 153, p. 120988. Available at: https://doi.org/10.1016/j.est.2026.120988.

• Repository: https://github.com/wind-to-hydrogen-toolkit/hydrogen-salt-storage
• Documentation: https://wind-to-hydrogen-toolkit.github.io/hydrogen-salt-storage

Acknowledgements

This research was carried out as part of the H-Wind and HYSS projects. The H-Wind project was supported by a research grant from Taighde Éireann – Research Ireland under Grant No. 12/RC/2302 – P2 and by the industry consortium members: DP Energy, Equinor, ESB, and Gas Networks Ireland. The HYSS project was supported by a grant from Sustainable Energy Authority of Ireland (SEAI) and Geological Survey Ireland under the SEAI Research, Development & Demonstration Funding Programme 2021, Grant No. 21/RDD/725.

Installation

This project uses Python ≥ 3.11.

Installation of the project (including notebooks) from source

Clone this Git repository:

git clone https://github.com/wind-to-hydrogen-toolkit/hydrogen-salt-storage.git
cd hydrogen-salt-storage

Create a virtual environment and install all requirements:

python -m venv .venv
source .venv/bin/activate
python -m pip install --upgrade pip setuptools wheel
python -m pip install -r requirements.txt

To run tests:

python -m pytest --cov

Installation of the h2ss module

python -m venv .venv
source .venv/bin/activate
python -m pip install --upgrade pip setuptools wheel
python -m pip install https://github.com/wind-to-hydrogen-toolkit/hydrogen-salt-storage/archive/refs/heads/main.zip

Documentation

To build the documentation locally:

cd docs && make html

To clean build the documentation locally:

cd docs && make clean html

Licence

Copyright 2023-2026 N. Streethran

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.