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City and County of Honolulu, HI

09/13/2017 | Press release | Distributed by Public on 09/13/2017 19:29

09/13/17 Biogas project receives PUC approval

FOR IMMEDIATE RELEASE
Wednesday, September 13, 2017
Contact: Markus Owens, ENV PIO, (808) 768-3454


KAPOLEI, Hawai'i - The City and County of Honolulu's Department of Environmental Services (ENV) and Hawai'i Gas are moving forward with a public-private contract to capture and process biogas from the city's Honouliuli Wastewater Treatment Plant (WWTP) after the Public Utilities Commission (PUC) approved the project this week. The public-private partnership is expected to generate approximately $1.6 million in annual revenue to the city.

'We are pleased that the project to turn wastewater gases into renewable natural gas is moving forward,' said Environmental Services Director Lori Kahikina. 'This first-of-its-kind project in Hawai'i will benefit the city financially, and more importantly, is equivalent to eliminating the need for approximately 15,000 barrels of oil and reducing greenhouse gases by the amount produced by 400 cars every year.'

Currently, the Honouliuli WWTP's anaerobic digesters flare its gases. The digesters produce about 800,000 therms of energy annually. One therm is equivalent to 29.3 kilowatt-hours.

'Incorporating cost-effective renewable natural gas as part of our fuel mix is a key priority as we continue to do our part to advance Hawai'i's clean energy future,' said Alicia Moy, president & CEO of Hawai'i Gas. 'We look forward to working with the city on this project and other projects like it so that we can provide renewable fuels for our customers and provide the city with a steady stream of revenue. This is a win-win partnership for the residents of O'ahu and our customers.'

This effort by Hawai'i Gas, which was awarded the contract in July 2016, should be operational within 12 to 18 months. The contract runs through December 31, 2024, however a provision in the contract could extend the term. Hawai'i Gas will invest about $5 million in the infrastructure to process the raw biogas and to connect the Honouliuli WWTP to the company's existing pipeline.