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Competitiveness of a low specific power, low cut-out wind speed wind turbine in North and Central Europe towards 2050

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This work is part of an ongoing study, creatively named the "LowWind Project", which is a collaborative effort between DTU and industry to design and eventually implement a 3.4 MW 100 W/m^2 low wind (LW) turbine with a hub height of 127.5 m, a rotor diameter of 208 m, and a cut-out wind speed of 13 m/s. This paper investigates at what price point this LW turbine becomes competitive in Northern and Central Europe's energy system, as well as what impact the introduction of this technology has on the system. Similarly, the impact system flexibility has on LW investment is also analysed by limiting future transmission investment. Furthermore, this paper also analyses the amount of revenue this LW technology could generate compared to conventional turbines to further investigate the business case for this technology. The main finding here is that this LW technology begins to see investment at a 45% price increase over a conventional onshore wind turbine with an equal hub height (127.5 m) and a smaller rotor diameter (142 m vs 208 m). The addition of LW technology also leads to a reduction in transmission investment, and similarly, reductions in transmission capacity lead to further investment in LW technology. Lastly, it is shown that in the future Northern and Central European energy system, in wind dominated areas such as Denmark, this LW technology could generate revenues that are more than 120% higher than conventional turbines (per MW), making the case that this technology could be a worthy endeavor.


Danish Energy Agency; EUDP (grant 64019-0074)

DTU Wind Energy; PSfuture (La Cour Fellowship)

Danish Energy Agency; EUDP (grant 64018-0032)

Nordic Energy Research (grant 76084)


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Submitting Author's Institution

Technical Univesity of Denmark

Submitting Author's Country

  • Denmark

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