Vineyard Wind 1, the first commercial-scale offshore wind project in the U.S., celebrated its groundbreaking in Barnstable, Massachusetts on Thursday.

The project, a joint venture between Avangrid Renewables and Copenhagen Infrastructure Partners, will ultimately be able to generate 800 megawatts of electricity, enough to power more than 400,000 homes with clean energy. 

The first steps of construction on the project, which will ultimately generate enough clean energy to power over 400,000 homes. The project is expected to begin delivering power to the grid in 2023.

“Vineyard Wind 1 represents a historic milestone for advancing our nation’s clean energy production. This project and others across the country will create robust and sustainable economies that lift up communities and support good-paying jobs, while also ensuring future generations have a livable planet,” said U.S. Interior Secretary Haaland. “The Interior Department is committed to responsibly accelerating our nation’s transition to a clean energy future, and doing so in coordination with our partners, stakeholders, Tribes and ocean users to avoid and reduce potential impacts as much as we can.”