3d visuelisering av floating windpark av Flexifloat

Floating storage of wind turbines

We customize and optimize floating foundation of wind turbines in marine areas

Floating windpark

FlexiFloat Substructure overall dimensions:

  • 420 x 240 x 54m (34m above sea level)

  • Substructure weight: 5700 tons

  • Water depths: 30 – 800m

  • Mooring: 6 lines

Prototyp turbine installation 9 off turbines: 3 twin-rotor and 3 singel-rotor

  • 33,3 MW installed capacity
  • Twin-rotor height/diameter: 94m/105m
  • Singel-rotor height/diameter: 124m/117m
  • Turbin overall weight incl support towers: 3500 tons
  • Windpark overall weight: 9200 tons

Feature:

  • Complete installation close to fabrication yard inshore.
  • Low cost on production, towing, installation, operation and maintenance (Low LCoE)
  • Excellent stability in High Waves and Heavy Wind.
  • Extended height above sea and stability improve turbine efficiency and lifetime
  • Area-efficient installation
  • Option to install helideck and transformation module on substructure.
  • Feasibility for extension of windfarm.
  • Years of development 2016 -2020
    Years of production and commissioning 2020 -2023
    Years of operation 25
    Number of turbines 9
    Installed capacity 33,3 MW
    Water depth (UtsiraNord) 250m
    Distance from port and grid connection (UtsiraNord) 40km
    Average wind speed (UtsiraNord) 10,2m/s
    Soil condition(UtsiraNord) Homogenus medium clay
    Production 25year x 8760hrs/year x 33,3MW x *0.49 3,55 millions MWh
    CAPEX (inshore) **68 millions EUR/ 3,55 millions MWh 19 EUR/MWh
    CAPEX (offshore)***7 millions EUR/ 3,55 millions MWh 2 EUR/MWh
    OPEX (O&M) ****60 millions EUR/ 3,55 millions MWh 17 EUR/MWh
    Contingency 20% 8 EUR/MW
    LCoE(LevelisedCost of Energy, incl 20% contingency) 46 EUR/MWh

*49% load factor (4290 annual hours of maximum load) **complete inshore installation ready for sail away. ***towing offshore, mooring, grid and commissioning. ****operation and maintainance in 25years lifetime.

   

Our Solution

Flexifloat is a slim, modularised and elastic floating platform for offshore multi-turbines with remarkable low construction and service cost

The Team

Einar Flexifloat
Einar

Flexifloat

CEO

Terje Flexifloat
Terje

Valide

Marked

Uwe

DTU

Analysis

Frank Flexifloat
Frank

Turbine

Ivar Flexifloat
Ivar

Rosenberg WP

Production

Thomas

Kluge

Contract