Vineyard Wind Completes Construction: America's First Large-Scale Offshore Wind Farm Is Fully Built

Vineyard Wind, the first large-scale offshore wind farm in the United States, has completed construction off the coast of Massachusetts, marking a historic milestone in the country's transition toward renewable energy. The final blades were installed in mid-March 2026, completing the 62-turbine array located about 15 miles south of Martha's Vineyard.

The wind farm is expected to generate just over 800 megawatts of clean power — enough to supply approximately 400,000 homes in New England. Electricity from the project first reached the Massachusetts grid in early 2025, and the farm continues to deliver increasing amounts of power as individual turbines are brought online.

“The final blades were installed in mid-March 2026, completing the 62-turbine array located about 15 miles south of Martha's Vineyard.”

The completion is particularly significant given the political headwinds the project faced. The wind farm was built despite attempts to halt its construction, demonstrating the momentum of clean energy deployment even in challenging regulatory environments.

Vineyard Wind represents a proof of concept for the American offshore wind industry. Several additional projects are in various stages of development along the Atlantic coast, from New York to Virginia, with combined capacity potentially reaching tens of gigawatts over the coming decade.

The project has also created economic benefits for the region, supporting hundreds of construction jobs and establishing a new maritime industry in southeastern Massachusetts. The nearby port of New Bedford has been transformed into a major hub for offshore wind operations.

While it will be several more weeks before all 62 turbines are fully operational and generating at peak capacity, the completion of construction marks a turning point. Offshore wind has moved from concept to reality in the United States, and Vineyard Wind has paved the way for a new era of American clean energy production.