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
- Scotland Tonight: Was law too lenient on faulty implants boss?
- Scotland Tonight: Is the action plan for human rights working?
- Scotland Tonight: Clutha responders record single with Jai McDowall
- Watch a live stream of Scotland Tonight: Scotland's current affairs show
- How much of a problem is rowdy behaviour at football matches?
- Does STV poll show momentum shifting in favour of independence?
- Scotland Tonight: The life, death and legacy of Nelson Mandela
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
- Woman dies after suffering head injury during fall at night club
- Lib Dems claim SNP group too 'unstable' for council coalition
- Jealous boyfriend tried to kill suspected love rival with a sword