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Interior Pauses Leases for 5 East Coast Offshore Wind Projects on National Security Grounds

The department says classified Pentagon reports warn that turbine-related radar clutter could mask real targets.

Overview

  • Leases for Vineyard Wind 1, Revolution Wind, Coastal Virginia Offshore Wind, Sunrise Wind and Empire Wind 1 were suspended effective immediately.
  • Interior cites Defense Department findings that rotating blades and reflective towers create radar interference that can obscure or create false targets.
  • Officials did not set an end date for the pause, and some developers report receiving 90‑day stop‑work instructions as agencies assess mitigation options.
  • Developers, trade groups and several officials dispute the rationale, noting prior Defense consultations during permitting and available technical fixes such as radar software upgrades and operational measures.
  • The move follows a federal ruling this month that struck down President Trump’s broader wind leasing ban, and states and companies say they are evaluating legal responses as billions in investment and power for millions hang in the balance.