Installation of the 1,800m landfall portion of the 24km line off the coast of Cornwall ran into initial difficulties.
Its floatation devices lost buoyancy, making it impossible to pay-out of the 90 tonne section.
Contractor CTC Marine devised a method using some 240 ‘pillow’ buoys and a further 150 ball-shaped A5 buoys to pull the cable ashore.
“The next steps include connecting the offshore cable with the onshore cabling on the beach and starting the near-shore trenching operation,” a Wave