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Phase One complete for massive windfarm project

E13, the 175th and final turbine of phase one of the London Array project Credit: London Array

The first phase of the world's largest offshore windfarm is up and running. The final turbine at the London Array in the Thames Estuary has now been commissioned which means that all of them are exporting power to the national grid.

With all turbines now exporting power to the national grid, London Array is expected to produce enough green electricity to power nearly half a million homes a year.

Queen's green scheme stalls

The procession before the annual Order of the Garter Service at St George's Chapel, Windsor Castle Credit: Gareth Cattermole/PA Wire

Complications with cabling has delayed a hydropower scheme planned for Windsor Castle.

Two giant water turbines were installed on the River Thames in December.

They were scheduled to be up and running early this year.