 Rapid progress was being made with the development of larger boilers and generator units.Drakelow A Power Station was commissioned in 1955 and had 2 × 60 MW and 2 × 62 MW English Electric turbo-alternators giving a total capacity of 240 megawatts (MW).By the time of its opening, work had already started on its larger 480 MW sister, Drakelow B Power Station.