Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 45, Issue 4, Pages 2936-2953Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2019.11.215
Keywords
Wind energy; Offshore oil & gas production; Power-to-gas; Power-to-liquid; Techno-economic analysis; Profitability analysis
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Funding
- Italian Ministry of Economic Development, General Directorate for Safety of Mining and Energy Activities National Office of Mining for Hydrocarbons and Georesources
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Chemical storage of electric energy is recognised as a potential solution to improve the penetration of renewable energy. The coupling of renewable power production with offshore oil & gas exploitation by converting electricity into synthetic fuels represents an opportunity to valorize renewables in remote areas in an energy transition panorama. The present study aims at a comparison of alternative power-to-gas and power-to-liquid strategies for the conversion of offshore wind power into different chemical energy vectors (hydrogen, synthetic natural gas and methanol), taking advantage of conventional offshore oil & gas infrastructures for energy conversion and synthetic fuel transportation. A set of technical, economic, environmental and profitability performance indicators was defined to allow the comparison. A case study in the North Sea was analysed. The results showed that electrolyzers capacity and offshore-onshore distance play an important role on economic indicators. Sensitivity analysis was carried out to test the robustness of the results. C-() 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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