An underwater turbine that is set to be used in the world's first tidal farm near Islay has successfully completed initial tests in hostile waters off Orkney.
Scottish Power Renewables fitted their 100-foot long device at the end of last year and it's already powering the Orkney Island of Eday.
Scotland Tonight looked at the experimantal development, and spoke to Alan Mortimer, the Head of Innovation at Scottish Power Renewables.
More About Scotland Tonight
- 11 charts that show what people think about the future of Scotland
- Defence review: Clyde shipyards to build eight frigates for Navy
- Kevin Bridges talks meltdowns, mid-gig selfies and going Dutch
- Scotland Tonight: Best-selling Outlander author Diana Gabaldon
- Scotland Tonight: Are we heading for an antibiotic apocalypse?
- Scotland Tonight: Pressure on Corbyn as Labour divisions exposed
- Support among Scots to remain in EU at strongest level yet, poll finds
People who read this story also read
- 73-year-old drove onto crossing as 90mph Glasgow-bound train approached
- Sheriff gives predatory scoutmaster heavy fine instead of 'soft' jail term
- Jealous boyfriend tried to kill suspected love rival with a sword
- Lib Dems claim SNP group too 'unstable' for council coalition
- Woman dies after suffering head injury during fall at night club