<prompt> Translate the following text to SwahiliAnother alternative approach would involve retrofit of more than one unit at a time during low-demand periods and avoiding any outage during high demand periods.  <response>: Njia nyingine ingehusisha upgrading ya zaidi ya kitengo kimoja kwa wakati mmoja wakati wa vipindi vya mahitaji ya chini na kuepuka kukatika yoyote wakati wa vipindi vya mahitaji ya juu. 