Renewables

GLDD develops new subsea rock installation vessel for offshore wind

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Great Lakes Dredge & Dock Corporation is moving forward with the design and development of the first U.S.-flagged Jones Act compliant, inclined fallpipe vessel for subsea rock installation.

The vessel represents a critical advancement in building the future of the new U.S. offshore wind industry, including establishing a U.S.-based rock supply chain network spanning eastern seaboard states with active offshore wind leases.

Pending business conditions and a final investment decision, GLDD’s vessel will be U.S. owned, built and operated by American workers.

The vessel is expected to help spur additional job growth and regional economic opportunities corresponding with the establishment of a U.S.-based rock supply chain network for subsea rock installation, with quarries in states along the East Coast.

Further, the project should generate additional economic and job opportunities on the Gulf Coast, where the vessel will be built. While the vessel initially would serve the East Coast, GLDD believes it will be available as offshore wind projects develop along the Gulf and West Coasts.

“U.S. offshore wind’s potential growth could be a true economic stimulus for America. We believe this is the optimal time for us to leverage our extensive specialized vessel expertise to enter this exciting market now coming to the United States. We are initiating this project because we firmly believe that a Jones Act compliant offshore wind subsea rock installation vessel is a critical foundational piece required to advance the U.S. offshore wind energy industry. We are committed to safe and sustainable operations and excited to make history with this landmark vessel.”

Lasse Petterson, GLDD’s chief executive officer and president.

GLDD has engaged engineering firm Ulstein Design and Solutions for the vessel’s conceptual and regulatory design engineering.

Pending federal permitting and regulatory approvals as well as a final investment decision, the vessel will be operational as early as Q1 2024, to coincide with major offshore wind project construction timelines.

“We applaud GLDD’s foresight and decisive action in entering this potentially transformative new industry in its early days. Their new vessel will complete another major piece of the offshore wind industry puzzle. This milestone brings our nation one step closer to realizing the substantial benefits from clean energy including the economic growth from projects, supply chain development, and job creation.

“We look forward to playing a key role in developing this new industry on the eastern seaboard that will provide multidimensional benefits to our nation. The full potential direct, indirect and induced economic benefits of offshore wind development have yet to be calculated because the various aspects and value of the supply chain are still unknown and yet to be developed. The potential impacts are staggering.”

Liz Burdock, CEO of the Business Network for Offshore Wind.

Anela Dokso

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