World’s biggest floating solar farm powers up outside London

Five years in planning and due to be finished in early March, more than 23,000 solar panels will be floated on the Queen Elizabeth II reservoir near Heathrow and used to generate power for local water treatment plants

Construction of Europe’s largest floating solar panel array is underway on London’s Queen Elizabeth II reservoir. Photograph: Martin Godwin for the Guardian

Fiona Harvey

On a vast manmade lake on the outskirts of London, work is nearing completion on what will soon be Europe’s largest floating solar power farm – and will briefly be the world’s biggest. Read more.