The Department of Infrastructure says it spent more than £46,000 on the Orsted offshore windfarm last year.
A Freedom of Information request asked for the figure, after a similar question was put to the department last year.
In its response, the DOI says in November 2024 it had spent a total of £467,357 on the Moor Vannin application.
And it added in the 12 months to November this year it spent another £46,461.
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