The Trump administration made a controversial decision on Monday to “pause” leases for five large offshore wind farms being built off the East Coast. This move has raised concerns about the future of the fast-growing clean energy industry in the United States. The Department of the Interior, headed by Secretary Doug Burgum, cited “emerging national security risks” as the reason for the decision, although no concrete evidence was provided to support this claim.
The affected projects are located off the coasts of New York State, Connecticut, Rhode Island, Massachusetts, and Virginia. These projects were expected to generate around 5.8 gigawatts of offshore wind power between 2025 and 2029, which would have been sufficient to power millions of homes along the Eastern Seaboard. The decision to pause these leases puts at risk the $10 billion investment made in the U.S. wind industry since 2021 and jeopardizes the country’s future energy capacity.
The announcement referenced a 2024 Energy Department report that highlighted the issue of radar clutter caused by wind turbines. The report warned that wind turbines in the line of sight of defense and civilian radar systems could lead to interference and false alarms. The Trump administration suggested lowering radar detection thresholds as a solution to mitigate clutter but acknowledged that this could result in missing actual targets. Another proposed solution was to ensure that wind farms are not built in a radar’s line of sight.
Environmental groups and industry experts have criticized the decision, with Ted Kelly of U.S. Clean Energy at the Environmental Defense Fund calling it baseless and unlawful. The Coastal Virginia Offshore Wind project, one of the affected projects, was developed in close coordination with the military to minimize radar effects. Collaboration between wind farm operators, scientists, and the military has been ongoing for decades to address radar interference issues.
The Department of Defense has been cited as a key player in the decision to pause the offshore wind projects, claiming that these large-scale wind farms create radar interference. However, both the Department of the Interior and the Department of Defense have not provided further details or comments on the matter.
As this story continues to develop, updates may be made to provide more insight into the implications of this decision on the offshore wind industry and the broader clean energy sector. If you’re interested in staying informed about developments in science and industry, consider supporting publications like Scientific American, which have been advocating for science and innovation for over 180 years.

