Among the 1,128 sets of propulsion machinery with a total installed power of 7.02 million kW that were supplied in 1980 there were only 22 steam turbine plants with a total output of 610,370 kW.
Phakathi kwamaqela oomatshini abaqhutyelwa phambili bewaka elinekhulu namashumi amabini anesibhozo abanamandla afakelelwe ngokupheleleyo ezigidi ezisixhenxe eekilowatzi ezazikhutshwe ngo1980 kwakukho amashumi amabini anegibini iinjina zezityalo ezijikeleziswa ngumsinga wamanzi ezinemveliso yamakhulu amathandathu aneshumi, amakhulu amathathu anamashumi asixhenxe eekilowadzi.