The Queen has opened the world's first commercial nuclear power station XL Label

Inflectionals

The Queen has opened the world's first commercial nuclear power station, Calder Hall, nuclear power station

Same spelling in use by the following Labels:

Accident at Grohnde nuclear power station, Philippsburg nuclear power station is to be shut down by its operator, A loss-of-coolant accident Krsko, Das erste kommerzielle Kernkraftwerk wird eröffnet