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U.S. Pledges Up to $100 Million for Chernobyl Arch Repairs

The pledge signals a push for G7 partners to fund a €500 million repair of the damaged Chernobyl containment arch.

Overview

  • The State Department, which announced Wednesday it would commit up to $100 million, said the sum covers 20% of a $500 million G7 repair plan.
  • The administration said it will work with Congress to provide the money and urged G7 and European partners to make substantial pledges.
  • The New Safe Confinement, a steel arch installed in 2019 to cover the destroyed Reactor 4, was hit by a Russian drone in February 2025 that tore a hole in its outer shell.
  • U.S. officials said the damage means the arch no longer provides adequate protection, creating a risk of a dangerous radiation leak without full repairs.
  • The United States has already contributed more than $365 million over three decades to build and maintain the arch, which was designed for a 100-year lifespan.