Hawaii to use seawater to cool state office buildings in Honolulu

Nov. 17, 2017
State has reached a preliminary agreement with Honolulu Seawater Air Conditioning to cool seven state office buildings and the state Capitol.

HONOLULU, NOV 17, 2017 -- The state of Hawaii has reached a preliminary agreement with Honolulu Seawater Air Conditioning to cool seven state office buildings and the state Capitol.

Under the terms of the agreement, HSWAC will deliver chilled fresh water to air condition the eight state buildings in Downtown Honolulu. According to a statement from the department, the planned switch to chilled water will reduce state electricity consumption by more than 5.3 million kilowatt-hours each year.

Pacific Business News reports that under the terms of the agreement, HSWAC will deliver chilled fresh water to air condition the eight state buildings in Downtown Honolulu. According to a statement from the department, the planned switch to chilled water will reduce state electricity consumption by more than 5.3 million kilowatt-hours each year.

In addition to expected energy savings, the state Department of Accounting and General Services said that potable water consumption is expected to drop by 11.4 million gallons per year and sewage discharge will be reduced by over 1.7 million gallons annually in buildings covered by the agreement.

The $250 million Honolulu Seawater Air Conditioning project has been in the works for several years, but has yet to break ground on any construction.

Read more here.

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