Floating storage of wind and wave energy producers

FlexiFloat Substructure overall dimensions:

• 420 x 240 x 54m (37m above sea level)

• Substructure weight: 9800 tons

• Water depths: 30 – 800m

• Mooring: 10 anchor and 24 mooring lines

Prototype wind turbine and wave energy installation

• 40 MW installed wind turbine capacity
• 30 MW installed wave energy capacity

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 -2021
  Years of production and demonstration		2022 -2025
  Years of operation		25
  Number of wind turbines		9
  Number of wave energy generator modules		3
  Total installed capacity		70 MW
  Production 25year x 8760hrs/year x 70MW x *0.49		7,51 millions MWh
  CAPEX (inshore) **118 millions EUR/ 7,51 millions MWh		15,7 EUR/MWh
  CAPEX (offshore)***35 millions EUR/ 7,51 millions MWh		4,7 EUR/MWh
  OPEX (O&M) ****75 millions EUR/ 7,51 millions MWh		10,0 EUR/MWh
  Contingency 20%		6,1 EUR/MW
  LCoE(LevelisedCost of Energy, incl 20% contingency)		36,5 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.