2022-11-26
http://w3.windfair.net/wind-energy/pr/39937-dnv-deepsea-semi-floating-offshore-foundation-approval-of-principle-development-wind-farm-off-grid-electrification-north-atlantic-odfjell-oceanwind

DNV awards Approval in Principle for the Deepsea Semi™ floating wind foundation

DNV has awarded Odfjell Oceanwind an Approval in Principle (“AiP”) for the Deepsea Semi™ floating wind foundation design. This design has been developed for use in floating wind farms and for off-grid applications including temporary electrification of oil and gas installations in harsh environments.

Image: Odfjell OceanwindImage: Odfjell Oceanwind

The Deepsea Semifoundation is dimensioned for wind turbine generators up to 15MW and is optimised for low cost, industrial mass-production. The design basis supports all areas for floating wind farms currently planned in the North Atlantic region, including Scotwind and Utsira Nord, and covers a range of 60 to 1300 meters water depth. It is optimised for Siemens Gamesa’s SG 11.0-200 DD and SG 14.0-222 DD offshore wind turbines and is undergoing classification and certification from DNV on that basis. The AiP is part of this ongoing class approval process involving Odfjell Oceanwind, Siemens Gamesa and DNV. The AiP is an independent assessment of a concept within an agreed framework, confirming that the design is feasible, and no significant obstacles exist to prevent the concept from being realised.

“This AiP marks an important milestone for us”, says Per Lund, CEO of Odfjell Oceanwind. “Building on the long-term relationship with DNV, we chose to work closely with them from day one and will continue to do so for the class approval and certification of our fleet of Mobile Offshore Wind Units. The mindset from shipping we share with DNV has proved very valuable when creating a product and service for floating wind power that scales much faster compared to what we have seen in the industry before”.

“Several recent expert reports have highlighted how important it is to tackle the climate crisis today. As such, we need to be exploring solutions that can maximise the contribution of sustainable, zero carbon energy generation to the energy transition”, says Erik Henriksen, Director of Business Development - Offshore Classification at DNV. “Novel solutions need the grounding of solid technical standards to build the trust that is essential for them to succeed in the market. An Approval in Principle from DNV demonstrates that a solution has the fundamentals in place to progress based on rigorous and state-of-the-art standards. We look forward to continuing to work with Odfjell Oceanwind and Siemens Gamesa in the ongoing classification and certification process”.

The proprietary Deepsea Semi™ design has been developed for use in Odfjell Oceanwind’s fleet of Mobile Offshore Wind Units (MOWUs) by its in-house design team. Odfjell Oceanwind plans to order the first batch of MOWUs later in 2022, and going into operation in 2024. The units will be operated as one fleet under Odfjell Oceanwind’s management. Odfjell Oceanwind intends to build the first MOWUs for electrification of offshore oil and gas installations. This can contribute to significant decarbonisation of the industry, complementing electrification with power from shore.

The Deepsea Semi™ design also allows for an integrated WindGrid™ module, using hybrid technology and energy storage for uninterrupted power supply to installations not connected to a larger power grid. The WindGrid™ module has been designed and optimised by Siemens Energy based on its experience in oil and gas and grid applications to enable energy storage systems, including the BlueVault™ battery energy storage and BlueDrive™ converters. DNV has previously verified that MOWUs with WindGrid™ may reduce emissions with up to 60-70% compared to power generation from gas turbine generators alone.

Follow this link to see DNV’s press release on the topic: DNV awards Odfjell Oceanwind AiP for new Deepsea Semi™ floating offshore wind foundation

Source:
Odfjell Oceanwind
Author:
Press Office
Link:
knowledge.odfjell-oceanwind.com/...
Keywords:
DNV, Deepsea Semi, floating, offshore, foundation, Approval of Principle, development, wind farm, off grid, electrification, North Atlantic, Odfjell Oceanwind




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