Northampton power station (also known as Nunn Mills power station or Hardingstone Junction power station) was an electricity generating station in Northampton, Northamptonshire, England, which began operation for the Northampton Electric Light and Power Company Limited (NELPC) in 1919 and generated power until closure in 1976. The redundant power station buildings were used as a grain storage facility in the late 1970s. Using both the road and rail facilities on site for transportation of grain.