DescriptionCosta Concordia is 290.20 metres (952 ft 1 in) long, with a beam of 35.50 metres (116 ft 6 in) and a draught of 8.20 metres (26 ft 11 in). She is equipped with a diesel-electric propulsion with six 12-cylinder Wärtsilä 12V46C[14] four-stroke medium-speed diesel generating sets with a combined output of 75,600 kilowatts (101,400 hp) and two 21 MW electric motors connected to fixed-pitch propellers.[15] Her service speed is 19.6 knots (36.3 km/h; 22.6 mph),[9] but during sea trials she could achieve a speed of 23 knots (43 km/h; 26 mph).

(WIKI Updated their info.)

Other info, not sure if was linked before:Loss of Electrical Power