Volume 28: Closing Carbon Cycles – A Transformation Process Involving Technology, Economy, and Society: Part III

Lessons from the Offshore Oil and Gas Industry for Hydro-Pneumatic Subsea Energy Storage Concepts Rasmus Juhlin, Mohsen Assadi



In order to avoid catastrophic climate change, the world is currently involved in an ambitious energy transition. In this great transition, fossil-based fuels are to be replaced with intermittent renewable energy. Science will provide the “know-why” but the ultimate success will be dependent on combining this with the engineers “know-how”. This paper aims to bring light to what capabilities the engineer discipline has with regards to subsea engineering with a focus on subsea structures so that the scientific community can make use of it when researching new subsea storage concepts. Novel ideas for design of subsea hydropneumatics energy storage concepts adapted from the oil and gas industry including a justification for them has been reviewed and presented in the paper. Although publications around subsea hydropneumatics energy storage solutions exists there are few, if any, related to design considerations.

Keywords Subsea engineering, subsea energy storage, hydro-pneumatic energy storage, energy transition

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