Here’s why a 420-ton, all-electric moving machine has come to New Haven

On a platform suspended nearly 40 feet above New Haven Harbor, Gov. Ned Lamont got a first-hand look Monday at the latest piece of machinery designed to help the state meet its ambitious targets for reducing greenhouse gas emissions. The cargo mover, built by the German firm Sennebogen, is the largest machine of its kind to run entirely on electric power, according to the manufacturer. It was installed by Gateway in December utilizing a $3.1 million in state grants, replacing an older diesel-powered crane that belched carbon dioxide and other smog-forming pollutants into the air. New Haven is one of only three ports in the country equipped with the newest Sennebogen machines. The total $7.5 million cost of the all-electric mover included infrastructure upgrades that allowed Gateway to draw enough power for the machines’ 500 kilowatt motor, which uses enough electricity to power several hundred homes.

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