The first US-built offshore wind substation is sailing to New York - Electrek
The first US-built offshore wind substation is sailing to New York
The first US-built offshore wind substation is complete and headed to South Fork Wind– a major milestone for the US offshore wind industry.
Offshore substations collect and stabilize power that the wind turbines generate, preparing it for transmission to shore. South Fork Wind’s 1,500-ton, 60-foot-tall substation was designed and engineered in Kansas, and built near Corpus Christi by Kiewit Offshore Services, the largest offshore fabricator in the US.
The first US-built offshore wind substation left Kiewit’s factory on a ship late last week. It’s going to cross the Gulf of Mexico and then sail up the East Coast for installation off Long Island in a few weeks.
David Hardy, group EVP and CEO Americas at Ørsted, said:
The completion of South Fork Wind’s offshore wind substation is yet another first for this groundbreaking project and moves us one step closer to the project’s first ‘steel in the water.’
South Fork, which is being jointly developed by Danish wind giant Ørsted and energy provider Eversource, is expected to be operational by 2023, when it will become the first completed utility-scale offshore wind farm in US federal waters.
Cable laying is currently under way, and the installation of monopile foundations will begin in coming weeks.
The 132 megawatt (MW), 12-turbine project will produce enough clean energy to power 70,000 homes in New York.
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Read more: The first US-built offshore wind service ship reaches a milestone
Photo: Orsted
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Related Knowledge Center: Offshore wind energy
Over the next decade, U.S. offshore wind power is expected to grow from a single 30-megawatt wind farm off Rhode Island to more than 2,000 MW of capacity along the Atlantic Seaboard. There are contracts for wind power off the coasts of Massachusetts, Connecticut, New York, Maryland, New Jersey, Rhode Island, and Virginia.
The National Renewable Energy Laboratory has estimated the United States has over 4,000 gigawatts (GW) of offshore wind potential, enough to power the country four times over.
The growth in part being spurred by state solicitations, including in New York, where then-Gov. Andrew Cuomo (D) set a commitment of 9,000 MW of offshore wind by 2035, and in Connecticut, where in June 2021, Gov. Ned Lamont (D) signed legislation authorizing the construction of 2,000 MW of offshore wind by 2030.
The offshore development is also being driven by an investment tax credit set to end in December 2019 and is equal to 12 percent of expenditures. U.S. Sens. Susan Collins (R-Maine) and Tom Carper (D-Del.) have introduced a bill to extend the tax credit for up to eight years.
The Interior Department has held eight competitive lease sales that resulted in 15 offshore wind leases over 1.7 million acres that has the potential for 21 GW of capacity. In February 2022, the Bureau of Ocean Energy Management completed a bidding process that realized $4.37 billion for 488,000 acres across six lease areas in federal waters off New York and New Jersey.
Projects have also been proposed off the Southeast coast, off California and Hawaii, and for the Great Lakes.