The Trump administration has ordered Denmark-based Ørsted A/S to stop all work on its nearly finished Revolution Wind farm, a roughly $4 billion project located more than 15 miles south of the Rhode Island coast. In a letter dated 22 August, the Bureau of Ocean Energy Management instructed the company to suspend construction pending a review of national-security and environmental issues. The 704-megawatt facility—45 of 65 turbines are already in place—had been scheduled to supply power to about 350,000 homes in Rhode Island and Connecticut next year. State officials, union leaders and the New England grid operator warned that delaying the wind farm could undermine regional power reliability, dent economic growth and lift electricity prices. Rhode Island Governor Dan McKee called the action “an attack on our energy,” while ISO New England said the project is embedded in its near-term reliability planning. Financial markets reacted swiftly: Ørsted’s shares fell as much as 19 percent to a record low on 25 August, erasing billions of dollars in market value and clouding the company’s planned 60 billion-krone ($9.4 billion) share sale. The developer said it is assessing the financial impact and considering legal options. The stop-work order is part of a broader White House push against large-scale wind developments. In a separate court filing, the Interior Department signaled it will move by 12 September to vacate federal approval for US Wind’s $6 billion, 114-turbine project off the Maryland coast, a facility expected to power about 718,000 homes. Repeated federal interventions have rattled the nascent U.S. offshore-wind sector, which the Biden administration had targeted for rapid expansion. Industry groups say the policy reversal jeopardizes tens of billions of dollars in investment and thousands of construction jobs along the Atlantic seaboard.