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  1. ITV Report

The world's largest working offshore wind farm opens in the North West

Photo: pa

The Walney Extension, a Danish-led and funded project in the Irish Sea off Cumbria, has 87 turbines - each around twice the height of Big Ben, standing approximately 190 metres high. The windfarm is nearly 12 miles off Walney Island, Barrow-in-Furness, and covers an area of 145 square kilometres - equal to an area of around 20,000 football pitches.

Credit: pa