LAPSE:2023.22569
Published Article
LAPSE:2023.22569
At What Cost Can Renewable Hydrogen Offset Fossil Fuel Use in Ireland’s Gas Network?
Tubagus Aryandi Gunawan, Alessandro Singlitico, Paul Blount, James Burchill, James G. Carton, Rory F. D. Monaghan
March 24, 2023
The results of a techno-economic model of distributed wind-hydrogen systems (WHS) located at each existing wind farm on the island of Ireland are presented in this paper. Hydrogen is produced by water electrolysis from wind energy and backed up by grid electricity, compressed before temporarily stored, then transported to the nearest injection location on the natural gas network. The model employs a novel correlation-based approach to select an optimum electrolyser capacity that generates a minimum levelised cost of hydrogen production (LCOH) for each WHS. Three scenarios of electrolyser operation are studied: (1) curtailed wind, (2) available wind, and (3) full capacity operations. Additionally, two sets of input parameters are used: (1) current and (2) future techno-economic parameters. Additionally, two electricity prices are considered: (1) low and (2) high prices. A closest facility algorithm in a geographic information system (GIS) package identifies the shortest routes from each WHS to its nearest injection point. By using current parameters, results show that small wind farms are not suitable to run electrolysers under available wind operation. They must be run at full capacity to achieve sufficiently low LCOH. At full capacity, the future average LCOH is 6−8 €/kg with total hydrogen production capacity of 49 kilotonnes per year, or equivalent to nearly 3% of Irish natural gas consumption. This potential will increase significantly due to the projected expansion of installed wind capacity in Ireland from 5 GW in 2020 to 10 GW in 2030.
Keywords
Energy Storage, energy system, geographic information system, Hydrogen, natural gas network, water electrolysis, wind energy
Suggested Citation
Gunawan TA, Singlitico A, Blount P, Burchill J, Carton JG, Monaghan RFD. At What Cost Can Renewable Hydrogen Offset Fossil Fuel Use in Ireland’s Gas Network?. (2023). LAPSE:2023.22569
Author Affiliations
Gunawan TA: Mechanical Engineering, Alice Perry Engineering Building, National University of Ireland Galway, Galway H91 HX31, Ireland; Ryan Institute for Marine, Environmental and Energy Research, National University of Ireland Galway, Galway H91 TK33, Ireland; MaREI [ORCID]
Singlitico A: Center for Electric Power and Energy (CEE), Department of Electrical Engineering, Technical University of Denmark (DTU), 2800 Kgs. Lyngby, Denmark [ORCID]
Blount P: Coillte CGA, Dublin Road, Wicklow A63 DN25, Ireland
Burchill J: Network Services Centre, Gas Networks Ireland, Dublin 11 D11 Y895, Ireland
Carton JG: Mechanical & Manufacturing Engineering, DCU Glasnevin Campus, Dublin City University, Dublin 9 D09 V209, Ireland
Monaghan RFD: Mechanical Engineering, Alice Perry Engineering Building, National University of Ireland Galway, Galway H91 HX31, Ireland; Ryan Institute for Marine, Environmental and Energy Research, National University of Ireland Galway, Galway H91 TK33, Ireland; MaREI
Journal Name
Energies
Volume
13
Issue
7
Article Number
E1798
Year
2020
Publication Date
2020-04-08
Published Version
ISSN
1996-1073
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PII: en13071798, Publication Type: Journal Article
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LAPSE:2023.22569
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doi:10.3390/en13071798
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Mar 24, 2023
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