<prompt> Translate the following text to SwahiliSince 1998, close to 200 GWe of new capacity have been built or is currently under construction with an even larger quantity being proposed.  <response>: Tangu mwaka 1998, karibu Gigawatts 200 za uwezo mpya zimejengwa au ziko chini ya ujenzi na kiasi kikubwa zaidi kinapendekezwa. 