The Pentagon has halted 155 wind projects across 24 states, arguing that drones could conceal themselves within wind farms.

      TL;DR: The Pentagon has halted the permitting of 155 wind projects (44GW) across 24 states due to concerns about drones. Developers have incurred $2 billion in losses and have filed a lawsuit claiming political motivations.

      The Pentagon has paused the permitting process for at least 155 wind projects in 24 states for almost a year, citing worries that drones could hide among wind turbines and evade radar detection. These projects have a total capacity of 44 gigawatts, which is four times that of the offshore wind projects previously canceled by the Trump administration through $2.6 billion in federal payments, as reported by Grist.

      Wind turbines produce “blade flash” on radar and their steel bases reflect electromagnetic waves, complicating the ability to differentiate between turbines and aircraft. Although the Pentagon has evaluated wind projects for over a decade and mandated radar upgrade costs from developers, it now contends that those upgrades may not suffice against small, lethal drones that can navigate through wind farms without detection. Developers argue that they have faced an additional $2 billion in costs due to the permitting freeze.

      The wind industry claims the halt is politically motivated. A coalition of renewable energy organizations filed a lawsuit against the Department of Defense in May, labeling the permitting pause as “the most damaging new tactic” in an “unprecedented campaign” against the sector. The suit further claims that there was no public notice or transparency involved in this decision, which is typically necessary for any federal rule changes. The Pentagon maintains that this is merely a delay, not a change in rules. The Trump administration has been altering defense technology policies across various sectors, including AI, autonomous weapons, and now wind energy permitting.

      Some developers might have missed a July 4 construction deadline to receive federal tax credits under the One Big Beautiful Bill Act. Fifty-five Democratic representatives have sent a letter asking for a private briefing from the Pentagon regarding the delays, but the Pentagon has yet to respond. In contrast, Europe’s energy infrastructure is advancing rapidly under different political circumstances, highlighting a stark contrast with the U.S. where 44 gigawatts of wind capacity remains unused while the administration claims the industry's national security responsibilities take precedence over development interests.