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