Shares in Danish renewables group Orsted jumped nearly 5% in early trade on Tuesday after a U.S. judge allowed work to restart on its near-completed Revolution Wind project.

The company said it welcomed the decision by the U.S. District Court for the District of Columbia, adding that the ruling would enable it “to restart impacted activities immediately.”

Revolution Wind is a 50/50 joint venture between Orsted and Skyborn Renewables, a company majority owned by Global Infrastructure Partners. In regulatory filings last year, Orsted and its partner said they had already invested around $5 billion in the offshore wind project.

Orsted shares were up 4.7% by 09:21 GMT. 

The ruling marks a legal setback for the Trump administration, which had sought to block the project as part of a broader move against offshore wind development. The White House suspended five large offshore wind projects late last year, including Revolution Wind off the coast of Rhode Island, citing national security concerns raised by the Pentagon.

Orsted challenged that decision earlier this month, warning that the lease suspension would cause “substantial harm” to the project.

During a hearing on Monday, U.S. District Judge Royce Lamberth said the court should be “very skeptical of the government’s true motives” for halting the development, according to Reuters.

Orsted’s lawsuit is one of a string of lawsuits by offshore wind developers and U.S. states seeking to overturn the Interior Department’s December 22 decision to suspend five offshore wind leases, a move the department said was driven by national security concerns.

The suspension also affected projects developed by Orsted, Equinor’s Empire Wind project near New York, and Dominion Energy’s Coastal Virginia Offshore Wind facility.

The latest ruling mirrors a court decision in September, when a judge rejected the administration’s initial attempt to halt the project. In both cases, judges said the national security rationale cited by the government was insufficient to justify stopping work.