<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo Le nkampani yasungulwa ngo-1889 njenge-Washington Water Power Company.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Le nkampani yasungulwa ngo - 1889 njenge - Washington Water Power Company, kwaze kwaba yilapho ibhodi yabaqondisi livuma ukushintsha igama layo laba yi - Avista Corporation, kusukela ngo - January 1, 1999. 