Hawaii Public Utilities Commission Sets New Rates for Hawaii Water Service's Waikoloa Systems to Help Keep Utility Service Safe and Reliable

Core Points - Hawaii Water Service has received approval to increase annual revenue by $4.7 million to support investments in water and wastewater systems, inflation, and operating costs [1] - The company has invested approximately $33 million in its Waikoloa systems since the last rate adjustment in 2019 [2] - The new rates, effective October 9, 2025, include a fixed charge for non-residential water system customers for conservation-related activities [3] Investment and Infrastructure - Almost $17 million has been allocated for improvements to drinking water wells and sewer pump stations, including backup power generators [5] - More than $8 million has been invested in transmission and distribution pipelines to reduce leaks and enhance reliability [5] - Nearly $8 million has been dedicated to water and wastewater treatment plant improvements to meet water quality standards and increase treatment capacity [5] Company Overview - California Water Service Group is the parent company of Hawaii Water Service and other regulated utilities, serving over 2.1 million people across multiple states [4]