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As the Wind Turbine Turns: When Can a Federal Agency Change Its Mind?

By David Mandelbaum on January 20, 2026
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Aerial Drone View Wind Turbine

Since its inauguration in January 2025, this federal administration has been engaged in a broad effort to change course on many fronts, including environmental and energy policy. Two district court decisions and a decision by the Secretary of the Interior involving development of offshore wind energy provide an opportunity to consider whether any law constrains agency discretion to implement a new administration’s policies, even when that would involve a reversal of prior decision making.

The column as published referred to the Dec. 22, 2025 order pausing offshore wind projects already leased and some under construction. Unsurprisingly, several developers challenged the order. Three obtained preliminary injunctions. Va. Elec. Power Co. v. U.S. Dep’t of the Interior, No. 2:25-cv-00830 (E.D. Va. Jan. 16, 2026); Empire Leaseholder, LLC v. Burgum, No. 1:26-cv-004 (D.D.C. Jan. 15, 2026); Revolution Wind, LLC v. Burgum, No. 1:25-cv-02999 (D.D.C. Jan. 12, 2026).

Link to Read “As the Wind Turbine Turns: When Can a Federal Agency Change Its Mind?” authored by David G. Mandelbaum on The Legal Intelligencer website. (subscription) Read “As the Wind Turbine Turns: When Can a Federal Agency Change Its Mind?” authored by David G. Mandelbaum on The Legal Intelligencer website. (subscription)

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Photo of David Mandelbaum David Mandelbaum

David G. Mandelbaum represents clients facing problems under environmental laws. He regularly represents clients in lawsuits and also has helped clients achieve satisfactory outcomes through regulatory negotiation or private transactions. A Fellow of the American College of Environmental Lawyers, David teaches Superfund, and…

David G. Mandelbaum represents clients facing problems under environmental laws. He regularly represents clients in lawsuits and also has helped clients achieve satisfactory outcomes through regulatory negotiation or private transactions. A Fellow of the American College of Environmental Lawyers, David teaches Superfund, and Oil and Gas Law in rotation at the Temple University Beasley School of Law as well as an environmental litigation course at Suffolk (Boston) Law School.

Since United States v. Atlas Minerals, the first multi-generator Superfund contribution case to go to trial in 1993, Mr. Mandelbaum has been engaged in matters involving allocation of costs among responsible parties, especially under the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA).  He has tried large cases and resolved others as lead counsel.  He has written, spoken, and taught extensively on the subject.  More recently he also has been engaged to assist lead counsel from this firm and others:

  • to develop cost allocation methodologies;
  • to craft expert testimony in support of a favored methodology (given a definition of “fairness,” why one methodology better tracks it than another);
  • to develop efficient case management approaches; and to assist private allocation as part of the neutral team.

Concentrations

  • Air, water and waste regulation
  • Superfund and contamination
  • Climate change
  • Oil and gas development
  • Water rights
Read more about David MandelbaumEmailDavid's Twitter Profile
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  • Posted in:
    Administrative and Regulatory, Environmental and Climate
  • Blog:
    E2 Law Blog
  • Organization:
    Greenberg Traurig, LLP
  • Article: View Original Source

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