Phase 1 of Floating Offshore Wind Substation Standard JIP Completed | Offshore Wind - Offshore WIND
Phase 1 of Floating Offshore Wind Substation Standard JIP Completed | Offshore Wind
Phase 1 of Floating Offshore Wind Substation Standard JIP Completed
DNV has concluded Phase 1 of its joint industry project (JIP) focused on establishing offshore substation standards for the growing floating wind sector.
According to DNV’s 2023 Energy Transition Outlook (ETO), floating offshore wind capacity is projected to exceed 260 GW by 2050.
Offshore substations play a crucial role in the scaling of floating offshore wind, serving as hubs to connect multiple wind turbines and transmit renewable energy to markets.
With a focus on closing gaps in existing technology and standards applicable to floating substations, the JIP could help the wind industry meet its potential and contribute to the ongoing evolution of the global energy system, DNV said.
The JIP’s Phase 1 primary outcomes include affirming the feasibility of floating offshore substations (FOSS) and export cables, identifying gaps requiring attention, and highlighting the maturity of AC solutions compared to DC.
The project also carried out a feasibility analysis for generic floater types and dynamic export cable concepts.
Emphasizing a robust design process for optimized integrated floating substations, DNV plans to incorporate the JIP’s findings in the next update of DNV-ST-0145 for floating substations and of DNV-ST-0359 for dynamic cables, both scheduled for 2024, according to DNV.
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“Standards are important in emerging industries as they encourage innovation and competition while ensuring safety and reliability. It has been very valuable to work alongside 38 leading companies covering all scopes and disciplines in this project, and we look forward to floating substations being integrated to DNV-ST-0145,” said Claus Christensen, Senior Chief Specialist at Ørsted and JIP Chairman.
DNV is now initiating Phase 2 of this JIP, where Phase 1 participants and new participants will be invited to join. Phase 2 will build on Phase 1 delivered and input received from the contributors.
The JIP’s ultimate objective is to support the scaling of floating wind with an acceptable level of technical, commercial, and HSE risk, through robust guidelines, said DNV.
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Related Knowledge Center: Offshore wind energy
Over the next decade, U.S. offshore wind power is expected to grow from a single 30-megawatt wind farm off Rhode Island to more than 2,000 MW of capacity along the Atlantic Seaboard. There are contracts for wind power off the coasts of Massachusetts, Connecticut, New York, Maryland, New Jersey, Rhode Island, and Virginia.
The National Renewable Energy Laboratory has estimated the United States has over 4,000 gigawatts (GW) of offshore wind potential, enough to power the country four times over.
The growth in part being spurred by state solicitations, including in New York, where then-Gov. Andrew Cuomo (D) set a commitment of 9,000 MW of offshore wind by 2035, and in Connecticut, where in June 2021, Gov. Ned Lamont (D) signed legislation authorizing the construction of 2,000 MW of offshore wind by 2030.
The offshore development is also being driven by an investment tax credit set to end in December 2019 and is equal to 12 percent of expenditures. U.S. Sens. Susan Collins (R-Maine) and Tom Carper (D-Del.) have introduced a bill to extend the tax credit for up to eight years.
The Interior Department has held eight competitive lease sales that resulted in 15 offshore wind leases over 1.7 million acres that has the potential for 21 GW of capacity. In February 2022, the Bureau of Ocean Energy Management completed a bidding process that realized $4.37 billion for 488,000 acres across six lease areas in federal waters off New York and New Jersey.
Projects have also been proposed off the Southeast coast, off California and Hawaii, and for the Great Lakes.