On July 16, 2025, on the Delaware River and from the Hanwha Shipyard in Philadelphia, the launching of the Acadia took place. This vessel was commissioned by Great Lakes Dredge & Dock Company (GLDD), the leading dredging provider in the United States, and represents the first Jones Act-compliant subsea rock installation vessel to be built on U.S. soil.
SRI vessel to strengthen subsea infrastructure
The Acadia has been conceived as a strategic asset for cementing, protecting and stabilizing subsea infrastructure. With a load capacity of up to 20,000 tons of rock, the vessel allows for the precise installation of material to protect power cables, oil and gas pipelines and offshore wind energy structures.
The design of the Acadia was designed by the Norwegian firm Ulstein and focuses on operational efficiency. It features dynamic positioning technologyadvanced unloading systems and accommodation space for 45 crew members. This configuration positions it as a benchmark for complex operations in both U.S. waters and international scenarios.
By complying with the Jones Act, the Acadia strengthens the United States’ ability to execute coastal projects without relying on foreign vessels. This step strengthens energy sovereignty, promotes local employment in the shipbuilding industry and expands GLDD’s presence in the global offshore services market.
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Source and photo: Great Lakes Dredge & Dock Company
