First nuclear power plant to produce commercial quantities of electricity

On 17th October 1956, at 12.16 GMT the British queen pulled the lever which would direct electricity from the power station into the National Grid for the first time.
A large clock on the wall of the power station registered the first kilowatts of energy to be produced. The town of Workington, 15 miles (24 km) up the Cumberland coast from Calder Hall, became the first town in the world to receive light, heat and power from nuclear energy. Within four hours nuclear-powered electricity was reaching London.
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