Articles | Volume 7, issue 2
https://doi.org/10.5194/wes-7-887-2022
https://doi.org/10.5194/wes-7-887-2022
Research article
 | 
14 Apr 2022
Research article |  | 14 Apr 2022

Analysing the effectiveness of different offshore maintenance base options for floating wind farms

Nadezda Avanessova, Anthony Gray, Iraklis Lazakis, R. Camilla Thomson, and Giovanni Rinaldi

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Cited articles

Arvesen, A., Birkeland, C., and Hertwich, E. G.: The Importance of Ships and Spare Parts in LCAs of Offshore Wind Power (and supporting information), Environ. Sci. Technol., 47, 2948–2956, https://doi.org/10.1021/es304509r, 2013. a
Besnard, F., Fischer, K., and Tjernberg, L. B.: A model for the optimization of the maintenance support organization for offshore wind farms, IEEE T. Sustain. Energ., 4, 443–450, https://doi.org/10.1109/TSTE.2012.2225454, 2013. a
Borg, M., Jensen, M. W., Urquhart, S., Andersen, M. T., Thomsen, J. B., and Stiesdal, H.: Technical definition of the tetraspar demonstrator floating wind turbine foundation, Energies, 13, 4911, https://doi.org/10.3390/en13184911, 2020. a
Buljan, A.: Gondan Shipyard Launches Edda Wind’s First CSOV, https://www.offshorewind.biz/2021/05/27/gondan-shipyard-launches-edda-winds-first-csov/ (last access: 8 March 2022), 2021. a
Carroll, J., McDonald, A., and McMillan, D.: Failure rate, repair time and unscheduled O&M cost analysis of offshore wind turbines, Wind Energy, 19, 1107–1119, https://doi.org/10.1002/we.1887, 2016. a, b
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Short summary
This study analyses two logistical strategies that could be considered for operation and maintenance of floating wind farms. The results show that the OPEX for the strategy with an offshore maintenance base (OMB) is 5 %–8 % lower than with a service operation vessel. When CAPEX and the net present value are taken into account, then the fixed costs associated with building the OMB have a significant impact on selecting a preferred strategy.
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