The turbine hall at Rugeley contains two C. A. Parsons generating sets, each have a capacity of 500 MW. The two units were numbered 6 and 7, a continuation of the numbering from the ‘A’ station. Unit 6 was commissioned on 9th January 1970, and Unit 7 later that year on 15th October 1970.
The turbines are Parsons TC2F110 model, consisting of one High Pressure (HP), one Intermediate Pressure (IP) and three Low Pressure (LP) stages. Steam is reheated after the HP stage.
Rugeley B Generating Units
Unit 6 was last run on 8th June 2016 and had run for a total of 285,595 hrs. It had a total of 2,764 starts (2313 hot and 451 cold) and generated a total of 125,776 GWh (average load 440 MW).
Unit 7 was last run on 15th October 2015 and had run for a total of 289,320 hrs. It had a total of 2,705 starts (2318 hot and 387 cold) and generated a total of 123,501 GWh (average load 427 MW).
Turbine Hall Pictures
In addition to the two steam turbine units, Rugeley also had two gas turbine generators. These were capable of starting the main generator sets without an electricity supply from the National Grid, and could also provide additional capacity as and when needed. The gas turbines were powered by Rolls Royce Avon 300 series engines, and each had a capacity of 25 MW.