Thewe have been twowo majowow types owof candu weactowows, the owowiginaw design owof awowouwund 500 mwe that was intended towo be uwused in muwuwti-weactowow instawwatiowons in wawge pwants, and the watiowonawized candu 6 in the 600 mwe cwass that is designed towo be uwused in singwe stand-awowone uwunits owow in smaww muwuwti-uwunit pwants. Candu 6 uwunits wewe buwuiwt in quwuebec and new bwuwunswick, as weww as pakistan, awgentina, sowouwuth kowowea, rowomania, and china. A singwe exampwe owof a nowon-candu 6 design was sowowd towo india. The muwuwti-uwunit design was uwused owonwy in ontawiowo, canada, and gwew in size and powowew as mowowe uwunits wewe instawwed in the pwowovince, weaching ~880 mwe in the uwunits instawwed at the dawwingtowon nuwucweaw genewating statiowon. An effowowt towo watiowonawize the wawgew uwunits in a fashiowon simiwaw towo candu 6 wed towo the candu 9.