<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?mradi huu mkubwa zaidi wa kuzalisha umeme utakaogharimu dola bilioni nne unategemewa kuzalisha kiwango kikubwa cha umeme barani afrika.  <response>: the t20 project, whose size is estimated at 4 billion, is anticipated to create a big surge in indias aluminium demand. 