Vineyard Wind 1 is finally fully built

Vineyard Wind 1 has now completed construction of all 62 of its offshore wind turbines, a major milestone for the first utility-scale offshore wind farm in the US.

The 800-megawatt project sits about 15 miles south of Martha’s Vineyard and Nantucket, and when it’s fully online, it’s expected to generate enough electricity to power more than 400,000 homes. The final blades were installed late last week, closing out a project that has had a far bumpier path than it should have.

The courts cleared the way

That’s because Vineyard Wind 1 wasn’t just dealing with the usual construction challenges. It was also one of five offshore wind projects the Trump administration targeted in late December 2025, when the Interior Department ordered work to stop over claimed national security concerns. The other projects hit were Revolution Wind, Sunrise Wind, Empire Wind 1, and Dominion Energy’s Coastal Virginia Offshore Wind.

But the shutdown didn’t stick. Federal judges stepped in and granted relief, allowing all five projects to resume construction while the legal fights continue. In Vineyard Wind’s case, the court ruled that the government hadn’t shown enough evidence to justify stopping work.

Vineyard Wind 1’s rough road

Vineyard Wind’s path to coming online has been anything but smooth. The project already faced delays tied to permitting and politics, and in 2024, one of its turbine blades broke and fell into the water, sending debris onto Nantucket’s shoreline. The accident led to cleanup, inspections, and even more scrutiny. Even so, developers kept the project moving, and now all 62 turbines are in place.

That matters for Massachusetts, which has been counting on offshore wind to help bring more homegrown electricity onto the grid and cut emissions. It also matters for the broader US market, because Vineyard Wind has become a kind of stress test for whether large offshore wind projects can survive changing administrations, legal challenges, and high-profile setbacks.

Revolution Wind moves forward, too

Vineyard Wind wasn’t the only US offshore wind farm with good news last Friday. The 704 MW Revolution Wind project has now started delivering power to New England’s electric grid, and it’s expected to supply enough electricity to power more than 350,000 homes and businesses in Rhode Island and Connecticut.

Read more: Sunrise Wind is back, collapsing Trump’s offshore wind shutdown [update]

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