Business Directory Return to Listing ShareTweetPrinceville Utilities Co Incwww.princevilleutilities.com5-3541 Kuhio HwyPRINCEVILLE, HI 96722808-826-6100EmailAboutPUCI is an investor owned utility company regulated by the Public Utilities Commission. We provide drinking water and wastewater services to Princeville and surrounding areas on the north shore.Utilities-Public Kauai Chamber Directory | Calendar of Events | Member Account | Community Calendar of Events Become a Member