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Nick Blenkey / Marine Log

US - VIDEO: Crowley to build and operate America's first fully electric harbor tug

“The eWolf represents everything Crowley stands for: innovation, sustainability and performance,” said Chairman and CEO Tom Crowley, as Crowley Maritime announced that it is to build and operate what will be the first fully electric harbor tugboat in the U.S.

“The eWolf represents everything Crowley stands for: innovation, sustainability and performance,” said Chairman and CEO Tom Crowley, as Crowley Maritime announced that it is to build and operate what will be the first fully electric harbor tugboat in the U.S.

“With this groundbreaking tug design, our team continues to embrace our role as leaders in the maritime industry while providing our customers with innovative and sustainable solutions done right,” Crowley continued

The 82-foot eWolf, with 70 tons of bollard pull, will operate at the Port of San Diego’s Tenth Avenue Marine Terminal and will be operational by mid-2023.

The tug will be built at the Master Boat Builders shipyard in Coden, Ala., with the design and on-site construction management being providedby Crowley Engineering Services and its recently integrated Jensen Maritime naval architecture and marine engineering group.

The tug’s battery system will be charged at a specially designed, shoreside station developed with Cochran Marine.

“Crowley’s first-of-its-kind electric tugboat is a game changer. It checks all the boxes by providing environmental, economic, and operational benefits for our communities and maritime industry,” said Chairman Michael Zucchet of the Port of San Diego Board of Port Commissioners. “We are proud to work with Crowley and couldn’t be more pleased the eWolf will operate exclusively on San Diego Bay.”

The eWolf will feature a design that allows the vessel to operate fully electric with full performance capabilities – and zero carbon emissions.


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