<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.hivi sasa, kuna karibu mitambo ya umeme ya nyuklia 443 inayofanya kazi katika nchi 33, ikitoa karibu 10 ya umeme ulimwenguni.  <response>: at the present time, some 438 nuclear power stations operating in 31 countries deliver around 16 of the worlds electrical energy. 