Techno-economic analysis of low carbon hydrogen production from offshore wind using battolyser technology

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Jenkins, Brian and Squires, David and Barton, John and Strickland, Dani and Wijayantha, K. G. U. and Carroll, James and Wilson, Jonathan and Brenton, Matthew and Thomson, Murray (2022) Techno-economic analysis of low carbon hydrogen production from offshore wind using battolyser technology. Energies, 15 (16). 5796. ISSN 1996-1073 (https://doi.org/10.3390/en15165796)

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Abstract

A battolyser is a combined battery electrolyser in one unit. It is based on flow battery technology and can be adapted to produce hydrogen at a lower efficiency than an electrolyser but without the need for rare and expensive materials. This paper presents a method of determining if a battolyser connected to a wind farm makes economic sense based on stochastic modelling. A range of cost data and operational scenarios are used to establish the impact on the NPV and LCOE of adding a battolyser to a wind farm. The results are compared to adding a battery or an electrolyser to a wind farm. Indications are that it makes economic sense to add a battolyser or battery to a wind farm to use any curtailed wind with calculated LCOE at £56/MWh to £58/MWh and positive NPV over a range of cost scenarios. However, electrolysers, are still too expensive to make economic sense.

ORCID iDs

Jenkins, Brian, Squires, David, Barton, John, Strickland, Dani, Wijayantha, K. G. U., Carroll, James ORCID logoORCID: https://orcid.org/0000-0002-1510-1416, Wilson, Jonathan, Brenton, Matthew and Thomson, Murray;
CORE (COnnecting REpositories)