The 500-kilowatt machine sits on the seabed and turns with the incoming and outgoing tides, and engineers will spend two years testing how it copes with strong currents.
Whether you have an hour with a pushchair or a whole day and good boots, the coast path around Greyling Bay has a stretch to suit. Here are six of the best, with distances and how to get there.
Volunteers at Fenwick Point are among more than 200 sites counting and ringing migrating birds this autumn, building a picture of the journeys made by waders and songbirds.
Small hotels and guesthouses around Greyling Bay report a rise in out-of-season bookings after joining forces to sell guided walks, cookery sessions and harbour suppers as short-break packages.
Every beach in the city has met national bathing-water standards again, with six rated excellent, after sewer overflow upgrades cut the number of spills into Greyling Bay by more than half.
For the first time in its history, the public can climb the 117 steps of the Fenwick Point lighthouse, take a guided tour of the lamp room and have lunch in the old keeper's cottage.
