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The Public Utilities Commission (PUC) regulates all chartered, franchised, certificated, and registered public utility companies operating in the State; reviews and approves rates, tariffs, charges and fees; determines the allowable rate of earnings in establishing rates; issues guidelines concerning the general management of franchised or certificated utility businesses; and acts on requests for the acquisition, sale, disposition or other exchange of utility properties, including mergers and consolidations.

PUC Opens Investigation of Federal Tax Legislation’s Impact on Public Utilities in Hawaii

The Public Utilities Commission has opened a new proceeding to investigate the impact of the recently signed Tax Cuts and Jobs Act of 2017 on regulated utilities in Hawaii. The Commission intends to ensure that Hawaii customers benefit from lower federal tax rates on their utility bills. Read More

PUC Expands Options for Customers to Install Rooftop Solar and Energy Storage

In a Decision and Order issued today, the Hawai‘i Public Utilities Commission approved two new programs that will expand opportunities for customers to install rooftop solar and battery energy storage systems, while clarifying terms of existing programs to provide greater certainty for customers who have already invested in a rooftop photovoltaic (PV) system. Read More

October 16, 2017 Response from Alan Oshima, President and CEO of HECO, Regarding HEI New Subsidiary Pacific Current

Alan Oshima, President and CEO of Hawaiian Electric Company, responds to the October 2, 2017 letter from Chair Iwase regarding Pacific Current’s agreement to purchase the Hamakua Energy Partners’ power plant on Hawaii Island. Read More

Letter to Alan Oshima, President and Chief Executive Officer of Hawaiian Electric Company (“HECO”), Regarding HEI New Subsidiary Pacific Current

The Commission received a press release issued by Hawaiian Electric Industries, Inc. (“HEI”), dated September 20, 2017, stating that HEI has established a new subsidiary, Pacific Current, which has agreed to purchase the Hamakua Energy Partners (“HEP”) power plant on Hawaii Island, “for an undisclosed price.” The HEP power plant provides energy and capacity services to Hawaii Electric Light Co., Inc. (“HELCO”) under a power purchase agreement which is in effect and expires in 2030. In response to HEI’s recent announcement, the Commission, on October 2, 2017, issued written questions to HECO, to assist the Commission in determining whether the HEP power purchase agreement between HELCO and its affiliate Pacific Current is in furtherance of the public interest. Read More

PUC Opens Docket and Invites Public Comment on The Hawaiian Electric Companies’ Grid Modernization Strategy

The Hawaii Public Utilities Commission (“Commission”) invites all interested parties to submit public comments regarding the Hawaiian Electric Companies’ Final Grid Modernization Strategy. Information on how to file public comments on the Hawaiian Electric Companies’ Final Grid Modernization Strategy can be found here.

Environmental Protection Agency’s WaterSense Fix-a-Leak Week March 20-26, 2017

In support of the National Association of Regulatory Utility Commission’s (“NARUC”) resolution supporting the Environmental Protection Agency’s (“EPA”) WaterSense “Fix-a-Leak Week”, March 20 – 26, 2017, the Hawai’i Public Utilities Commission encourages the adoption of programs and the offering of products that promote water efficiency, and to find and fix leaks to save water in our community. Read More

PUC Encourages the Public to Stay Safe by Doing Business Only with PUC Certified Motor Carriers

February 2, 2017 – The Hawai’i Public Utilities Commission’s (“PUC”) reminds the public that its enforcement officers continue to be on the road at unannounced times statewide to ensure that motor carriers are in compliance with state laws and rules. High-traffic tourist attraction areas such as Kailua, Oahu and Hana, Maui are among the patrolled areas. Read More

Development of Rules for Water and Wastewater Service

The Public Utilities Commission (PUC) regulates privately-owned water and sewage treatment utilities in Hawaii. (The Commission does not regulate municipal water and wastewater utility services provided by local city and county governments.) Read More

PUC Annual Report for Fiscal Year 2016

The Public Utilities Commission (“Commission” or “PUC”) of the State of Hawaii (“State”) submits this Annual Report pursuant to §269-5, Hawaii Revised Statutes (“HRS”). In short, this report summarizes the activities and operations of the Commission and the public utilities it regulates during the 2016 Fiscal Year (“FY”), which runs from July 1, 2015 to June 30, 2016. Read Report

PUC Reforms Energy Programs to Support Future Sustainable Growth in Hawaii Rooftop Solar Market

With a Decision and Order issued on October 12, 2015, the Hawaii PUC has established reforms through a collaborative process that will support further sustainable growth in the market for rooftop solar systems and other distributed energy resources (“DER”) desired by Hawaii’s residents and businesses. Read More

PUC Orders Action Plans to Achieve State’s Energy Goals

The Hawaii Public Utilities Commission (PUC) announced four major decisions and orders that collectively provide key policy, resource planning, and operational directives to the Hawaiian Electric Companies (HECO Companies). Read More

Recent additions to the Resource Library. Go to the Resource Library for all resources.
Advanced Energy Now 2014 Market Report
Global and U.S. Markets by Revenue 2011-2013 and Key Trends in Advanced Energy Growth. Prepared by Navigant Research. The Advanced Energy Now 2014 Market Report is the first annual report of market size, by revenue, of the advanced energy industry, worldwide and in the United States. As defined by Advanced Energy Economy (AEE), a national […]
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American’s Power Plan
America’s Power Plan is a policy toolkit, developed to facilitate the transition to a clean energy future. Market forces, driven by public demand for cleaner, more efficient energy and technological innovation are redefining America’s power sector. These trends will change the electricity system and utility businesses at their core. But our century-old legal, economic and […]
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Investigating a Higher Renewables Portfolio Standard in California, Executive Summary
January 2014 – Energy and Environmental Economics, Inc. This report presents the results of a study of a 50% renewables portfolio standard (RPS) in California in 2030. The study was funded by the Los Angeles Department of Water and Power (LADWP), Pacific Gas and Electric Company (PG&E), the Sacramento Municipal Utilities District (SMUD), San Diego […]
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Hawaii Energy

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Find the latest information concerning the new and expanded Hawaii Energy Efficiency Programs

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One Call Center

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The One Call Center system will provide advanced warning to excavators of the location of underground lines before they begin digging.

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About PUC

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Learn more about the Commission's Goals and Objectives, history, Commissioners, Statutues, Administrative Rules, and General Orders

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