Beatrice, the largest offshore wind project in Scotland and fourth in the world, should be operational later this year.Read more
The last turbine is installed in one of world's largest offshore wind farms.
The UK has gone a full week without using electricity generated from coal, the system operator has reported.
That's the first time since coal was first used for making electricity in the 19th century.
"As more and more renewables come on to our energy system, coal-free runs like this are going to be a regular occurrence," said National Grid Electricity System Operator (ESO) director Fintan Slye.
"We believe that by 2025 we will be able to fully operate Great Britain's electricity system with zero carbon," he said.
Last year renewable power sources accounted for 27.5% of UK electricity generation.