High voltage direct current systems through submarine cables for offshore wind farms: A life-cycle cost analysis with voltage source converters for bulk power transmission

Hakan Acaroğlu and Fausto Pedro García Márquez

Energy, 2022, vol. 249, issue C

Abstract: The utilization of alternative power systems is prominent for energy transmission, supply, and security. This paper conducts an economic analysis for offshore wind farms, in which bulk power of wind energy is transmitted from offshore wind farms with high voltage direct current through submarine cables. The motivation is the examination of the hypothesis that any asset should be conditional on the total cost of infrastructure and installation, being at least amortized or generating profits depending on the interest rates of any countries. This hypothesis is tested with a life-cycle cost analysis using 40-year lifetime. The operation time is 27 years and conducted with a cumulative cash flow calculation. The transmission route starts from Bozcaada and Gokceada and ends in Istanbul (Turkey). Based on 600 MW voltage source converter, 222 km submarine cables are proposed to be a project for investors and decision makers. The investment seems feasible in terms of the generated profit and economic findings such as 10-year break-even point, and 121.11 M$ net present value. Sensitivity analysis reveals that government subsidies on the infrastructure and environmental costs are powerful incentives and create solutions. Thereby, economic and environmental advantages of this investment can provide a model for other selected regions in Turkey and any other country.

Keywords: High voltage direct current (HVDC); Offshore wind farm; Voltage source converter (VSC); Life-cycle cost (LCC); Submarine cables; Net present value (NPV) (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:249:y:2022:i:c:s0360544222006168

DOI: 10.1016/j.energy.2022.123713

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