Lead: On December 22, 2025, the federal government announced an immediate pause on leases for five large-scale offshore wind projects being built along the U.S. East Coast, citing national security concerns flagged by the Department of Defense. The Interior Department said the pause will allow it to work with the Pentagon and other agencies to assess and mitigate risks; the announcement affects projects in Massachusetts, Rhode Island/Connecticut, New York and Virginia. The move arrives two weeks after a federal judge vacated an executive order that had sought to block most wind leasing, and it has drawn sharp criticism from environmental groups and industry backers who say the projects were vetted through multi-agency reviews.
Key takeaways
- The Interior Department paused leases for five projects on Dec. 22, 2025: Vineyard Wind (MA), Revolution Wind (RI/CT), Coastal Virginia Offshore Wind (VA), Sunrise Wind (NY) and Empire Wind (NY).
- Officials said the pause responds to national security risks identified by the Pentagon, notably radar interference (“clutter”) that can obscure or generate false moving targets near turbines.
- Interior Secretary Doug Burgum framed the action as a protection measure while details of the risks and mitigation options remain unpublished.
- The action follows a Dec. 8, 2025 federal court ruling by Judge Patti Saris vacating President Trump’s Jan. 20 executive order that previously sought to halt offshore wind leasing.
- Project proponents say the farms were permitted after reviews by agencies including the Coast Guard, Naval Undersea Warfare Center and the Air Force; critics call the pause another political obstruction to renewables.
- Environmental and clean-energy groups—such as the Environmental Defense Fund and the Conservation Law Foundation—warn the pause threatens jobs, investment and affordable clean power for millions of consumers.
- Former naval officer Kirk Lippold noted the projects had been cleared through multi-agency permitting and argued diversified domestic generation could enhance energy resilience.
Background
Offshore wind has been a growing element of U.S. climate and energy strategy, with several utility-scale projects advancing in the Northeast over the past five years. Federal and state authorities have pursued lease auctions, permitting and transmission planning to bring hundreds of megawatts of offshore capacity online to displace fossil generation and serve rising electricity demand.
Political opposition at the federal level intensified with President Trump’s administration prioritizing fossil fuels and issuing a Jan. 20 executive order aimed at pausing leasing and permitting for offshore wind. That Day One order prompted legal challenges led by a coalition of 17 state attorneys general and Washington, D.C., arguing the pause exceeded presidential authority and violated administrative law.
On Dec. 8, 2025, U.S. District Judge Patti Saris vacated the executive order, ruling the broad blockade of leasing was arbitrary and capricious under existing statutes. Despite that judicial setback for the administration, the Interior Department’s new pause uses a different rationale—national security reviews in coordination with the Defense Department—to temporarily stop progress on specific projects.
Main event
The Interior Department announced on Dec. 22 that leases for five high-profile offshore developments would be paused immediately while unclassified national security assessments are reviewed and mitigation options are explored. The statement cited emerging risks and the rapid evolution of adversary technologies as factors warranting further evaluation.
Interior Secretary Doug Burgum emphasized the government’s duty to protect the public and said the pause allows additional interagency work with the Department of Defense. The announcement did not publish the underlying classified or unclassified reports that identify precise vulnerabilities or threat vectors.
The projects named—Vineyard Wind, Revolution Wind, Coastal Virginia Offshore Wind, Sunrise Wind and Empire Wind—are at varying stages, with some turbines already installed and others in advanced construction. The department specifically referenced radar “clutter” from turbine blades and reflective towers as a known source of interference that can both mask and generate spurious targets near wind arrays.
Industry and environmental groups immediately criticized the move as an attempt to stifle offshore wind deployment. They pointed out that the permits for these projects were issued following multi-agency review and that courts recently rejected a prior executive effort to halt leasing. Administration officials said the pause is procedural and aimed at cross-agency risk mitigation rather than an outright cancellation.
Analysis & implications
Practically, the pause injects uncertainty into project financing, supply-chain schedules and labor plans. Developers depend on predictable permitting and lease timelines; an open-ended suspension risks higher costs, delayed interconnection and possible contract penalties for suppliers and port operators.
Legally, the administration’s pivot from a broad executive order to a targeted national-security-based pause raises questions about the scope of agency discretion and the evidentiary threshold required to suspend projects already permitted. Courts will likely weigh the classified nature of some Defense assessments against requirements for reasoned decision-making under the Administrative Procedure Act.
From a security-technology perspective, radar clutter is a real, documented phenomenon; mitigation measures exist—radar software filtering, sensor fusion, alternate radar placements or turbine design changes—but they require technical study, testing and funding. The pause could lead to a formal interagency framework that prescribes specific mitigations or exclusion zones for certain types of defense systems.
Geopolitically and economically, delays to U.S. offshore wind deployment may slow domestic industrialization of an emerging supply chain that creates manufacturing and port jobs. Conversely, proponents argue that expanding diverse domestic energy sources enhances resilience; opponents counter that unresolved security risks near dense population centers merit caution.
Comparison & data
| Project | State(s) | Current status (Dec. 22, 2025) |
|---|---|---|
| Vineyard Wind | Massachusetts | Leases paused; turbines operating at site |
| Revolution Wind | Rhode Island / Connecticut | Leases paused; construction underway |
| Coastal Virginia Offshore Wind | Virginia | Leases paused; project advancing |
| Sunrise Wind | New York | Leases paused; development stage |
| Empire Wind | New York | Leases paused; development stage |
The table summarizes the five impacted projects and their general status as of the announcement. While exact installed capacity and commercial timelines vary by project, the common thread is that all five have moved through state and federal permitting processes and are now subject to the same interagency pause driven by national-security review.
Reactions & quotes
We must prioritize protecting Americans from emerging threats while examining how large offshore structures interact with defense sensors.
Doug Burgum, U.S. Interior Secretary (statement)
Burgum framed the pause as a security-first step; he did not release the underlying assessments, saying only that the decision follows Defense Department input.
This action unlawfully impedes clean-energy deployment and risks jobs and affordable power for millions.
Ted Kelly, Environmental Defense Fund (comment)
Kelly and other clean-energy advocates said the pause undermines long-term grid affordability and the region’s ability to meet climate and energy goals.
The projects received multi-agency review during permitting, and further obstruction risks wasting prior technical work and investment.
Kirk Lippold, former USS Cole commander (expert comment)
Lippold noted that agencies including the Coast Guard and naval centers were involved in earlier assessments and suggested the projects could contribute to energy resilience if technical issues are addressed.
Unconfirmed
- The Interior Department has not publicly released the specific Pentagon reports or detailed technical findings that triggered the pause.
- It is not confirmed whether the Defense Department formally recommended a full pause or instead requested targeted mitigations for particular installations.
- The timeline for resuming leases, restarting construction or adopting specific mitigation measures remains unspecified.
Bottom line
The Dec. 22 pause places a temporary but potentially consequential roadblock in the East Coast offshore wind pipeline, balancing asserted defense concerns against energy, economic and climate objectives. Developers and states that invested in these projects will watch whether interagency review delivers measurable mitigation steps or effectively amounts to a longer-term restriction on offshore wind near dense population centers.
Legal and technical outcomes over the coming months will determine whether the pause becomes a model for future national-security reviews or a short-term procedural step that preserves the projects with added safeguards. Stakeholders should expect continued litigation, detailed technical studies and negotiations between industry, state governments and federal agencies.