100 billion kettles later...

■ Hinkley B in Somerset generated 3 per cent of the UK’s electricity last year

■ Over its 46 years, it has boiled the equivalent of 100 billion kettles

■ It has generated 311 terawatt hours, or

311 billion kilowatt hours – to use the units we see on our domestic energy bills

■ That’s enough to power 100 million homes for a year at average UK usage

■ 750 people work at the site, which came online in 1976 – when Mamma Mia! by Abba was No1 in the charts