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Description
A Tidal energy extraction scheme is proposed at Churchill Barrier 1 and/ or 2 and a wave overtopping solution at Churchill Barrier 2. Five options were proposed:
- Re-facing Barrier 2 to be optimised as a wave overtopping solution with energy capture at Barrier 1 and/or 2.
- Remove section of Barrier and replace with bridge and free flow turbines for energy capture at Barrier 1 and/or 2.
- Remove section of Barrier and replace with structure for vertical axis turbines for energy capture at Barrier 1 and/or 2.
- Remove section of Barrier and replace with structure for horizontal axis turbines for energy capture at Barrier 1 and/or 2.
- Beach recharge at Barrier 2 with energy capture at Barrier 1 only
Up to 20 turbines and a new road created (proposed).
Location
Orkney, UK. Tidal energy extraction scheme at Churchill Barrier 1 and/ or 2 and a wave overtopping solution at Churchill Barrier 2.
Project Progress
Proposed timeline includes:
Key Environmental Issues
For biological/ ecological features, the study area was extended to 2km around the barrier (10km in relation to nationally and internationally designated sites) to take into account potential species and habitat sensitivities, and the potential for mobile species that could be present in and around the area.