This record-breaking monopile is headed to the US’s first commercial offshore wind farm

This record-breaking monopile is headed to the US’s first commercial offshore wind farm

germany Special constructions of EEW pipes (EEW SPC), which manufactures offshore wind monopiles, has completed its heaviest monopile to date for the first commercial offshore wind farm in the United States.

EEW SPC, based in Rostock on the Baltic coast, built the 1,895 ton steel monopile for Vineyard Wind 1, which is 15 miles south of Martha’s Vineyard and Nantucket and 35 miles from mainland Massachusetts. EEW SPC will process more than 98,000 tons of steel into monopiles for the US project. The monopiles will each have a diameter of 9.6 meters (31.4 feet) and a maximum length of 85 meters (279 feet).

For perspective: A fully loaded Boeing 747-8 The plane can weigh up to 447 tons when fully loaded with fuel, cargo and passengers. So that means four fully loaded Boeing 747-8 planes would weigh around 1,772 tonnes (1,953 tonnes).

The $3.5 billion Vineyard Wind will feature 62 13-megawatt (MW) Haliade-X turbines spaced one nautical mile apart.

The 800 MW Vineyard Wind 1 is a 50-50 joint venture between clean energy company Avangrid and the CI II and CI III funds of Copenhagen Infrastructure Partners (CIP).

It will provide clean energy to more than 400,000 Massachusetts homes and businesses and reduce carbon emissions by more than 1.6 million tons per year. The electricity produced by the turbines will be collected by an offshore substation before being transmitted to land.

In December, the first of 62 transition parts to be manufactured for Vineyard Wind 1 was shipped to the United States from Spain. The transition piece, an essential link in the offshore wind turbine, is made of steel and connects the monopile and the wind turbine. Italian electrical cable company Prysmian groupcable ships, Cable Enterprise and Ulisseare also in the United States, installing submarine cables manufactured and tested in Finland and Italy.

North American Wind Energy reported yesterday that, according to UMass Dartmouth and Springline Research Group, “An analysis of Vineyard Wind Project employment and expenditure data collected from 2017 through September 2022 shows that the numbers reported by Vineyard Wind are double initial projections in terms of jobs created and economic output.”

Vineyard Wind 1 is expected to go live this year.

Learn more: New York State gets a large offshore wind farm

Photo: EEW SPC

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