What a National Security Review Cannot Block — and What a Court Ordered the DoD
The DoD halted all US wind project approvals in August 2025, citing radar interference. A federal judge called it a clear violation of statutory law and ordered reviews resumed.
In August 2025, the Department of Defense stopped participating in the legally mandated review process for wind energy projects. It refused to sign off on negotiated agreements, declined to draft new ones, and eventually withdrew from all negotiations — effectively freezing new wind development across the United States.
The stated reason was national security: turbine blades interfere with military radar, and advances in drone technology made the problem worse. A federal judge in Oregon disagreed with the legal analysis. On August 7, 2026, Judge Karin Immergut ruled that the DoD’s halt violated statutory law and ordered the department to resume approvals on the congressionally mandated schedule, as reported by Ars Technica.
The ruling is part of a broader pattern. Courts have been unsympathetic to the Trump administration’s efforts to block wind development — both offshore and onshore — finding that national security concerns do not authorize agencies to ignore the processes Congress established.
What the law requires
Congress created a specific framework for assessing whether wind turbines pose unacceptable risks to military operations and air traffic control. The process is designed to balance energy development with defense needs: when a wind project is proposed near a military installation or flight path, the DoD must evaluate potential radar interference and negotiate mitigation measures with developers.
The statute sets timelines for review. It requires the DoD to participate in good-faith negotiations. And it establishes that national security concerns should be weighed against energy needs — not used as an automatic veto.
Judge Immergut’s ruling emphasized that this framework exists precisely because Congress recognized both interests matter. The DoD cannot unilaterally decide that one interest always prevails.
What the DoD did
Starting in August 2025, the department stopped signing off on negotiated agreements between developers and military installations. It declined to draft new agreements. And it eventually refused to engage in any negotiations at all.
The practical effect was to halt all new wind project approvals nationwide. Even projects that had completed environmental reviews under NEPA (National Environmental Policy Act) could not move forward without DoD participation, because the statutory framework requires military input before permits are issued near defense installations.
The administration argued that evolving drone technology changed the risk calculus. Military radar systems that previously tolerated some interference from turbine blades now face more complex electromagnetic environments, the department claimed. National security required a pause while the DoD reassessed its standards.
What the court said
Individual developers and industry groups sued, arguing that the DoD’s refusal to participate violated the statutory framework. The government raised three defenses: the suit was filed in the wrong court, there were no final agency decisions to review, and the plaintiffs lacked standing.
Judge Immergut rejected all three. She found that the DoD’s blanket refusal to engage constituted a “very clear violation of the law.” Her ruling centered on a straightforward point: Congress created a process, and the executive branch cannot ignore it because it disagrees with the outcome.
“DoD’s review is not a black box,” Immergut wrote. The statute requires transparency, timelines, and negotiation — not silence.
She ordered the DoD to resume wind project approvals using the congressionally mandated schedule and to report progress every 30 days. If the department believes the framework needs updating, she noted, it must ask Congress. Agencies cannot unilaterally suspend laws they find inconvenient.
The offshore pattern
The onshore ruling follows a similar arc for offshore wind. The Trump administration previously blocked offshore projects by claiming turbine radar interference posed national security risks. Courts reviewed the evidence — including classified DoD reports — and found the claims did not justify halting development.
When the legal route proved unsuccessful, the administration tried a different approach: paying companies to abandon their offshore leases voluntarily. This strategy also faced legal challenges, as courts questioned whether the government could use financial incentives to achieve what it could not order directly.
The pattern across both offshore and onshore cases is consistent. The administration identifies a national security concern, uses it to halt wind development, and courts find that the statutory framework already accounts for those concerns through negotiated mitigation.
What remains uncertain
Judge Immergut’s ruling orders the DoD to resume the review process. It does not resolve the underlying technical question of whether wind turbines interfere with military radar in ways that matter for national security. That question is what the statutory framework exists to address — case by case, through negotiation and mitigation.
The ruling also does not undo the delays already caused by the halt. Wind projects that were paused in August 2025 lost months of development time, and some may have faced financing challenges while approvals were frozen. The 30-day reporting requirement is designed to prevent future standstills, but it cannot recover lost momentum.
It is also unclear how the DoD will comply. The department could resume negotiations in good faith, or it could engage in delay tactics that technically satisfy the court’s order while slowing progress. The quarterly reporting requirement creates accountability, but enforcement depends on continued judicial oversight.
What the ruling shows
The case illustrates a recurring tension in American governance: when an executive agency believes national security requires action that conflicts with statutory processes, the courts tend to side with Congress. The DoD has expertise on radar interference and drone operations. But it does not have authority to suspend the review framework that Congress established to balance those concerns against energy development.
Judge Immergut’s ruling does not dismiss national security as unimportant. It insists that the process for evaluating it — with timelines, transparency, and negotiation — matters too. The framework exists because Congress determined that both defense needs and energy development deserve consideration, and that neither should automatically prevail.
The DoD can still raise concerns about specific projects. It can negotiate mitigation measures. It can ask Congress to update the law if it believes the current framework is inadequate. What it cannot do, the ruling makes clear, is stop participating altogether and declare the matter resolved.