How have the project costs changed across the life of the project

The Project has consistently remained in the region of £40M since the original business case was produced in May 2023. The design assumptions have changed since the original business case draft, and the current cost estimate reflects a 28MW (4 x 7MW turbines) windfarm.

The design evolution and project costings are explained in our response to a May 2025 House of Keys query, which was sent to all Tynwald members on 19 May 2025"