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Honolulu Seawater Air Conditioning, LLC, is currently developing a 25,000-ton seawater air conditioning district cooling system for downtown Honolulu.  This renewable energy system is designed to cool buildings in the downtown core using deep ocean cold water.  A seawater air conditioning (SWAC) system is a cost-effective and attractive “green energy” investment, and a smart way to use renewable energy for air conditioning.
HSWAC Receives Govenor's Innovation Award for Dec 2009

Jan 14, 2010 - Governor Lingle announced three recipients for the Governor's Innovation Award for their role in creating an "innovation-based economy and a stronger future for the state."

Download January 2010 News

Hawaii's Energy Evolution

CNN’s John King takes a look at how Hawaii is curbing its energy costs, the highest in the U.S., December 20, 2009

 

 Watch the video

 

Hawaii in Early Stages of Energy Revolution

  

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Honolulu to implement cooling with deep-sea water

By Christopher Pala-Environmental Science & Technology

Honolulu will soon become the first warm-climate city to use deep-sea water to cool part of its downtown.

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Final EIS for State of Hawaii Published

The FEIS is available online on the Office of Environmental Quality Control website. Follow the link below to view a copy of the Final EIS for Honolulu Seawater Air Conditioning:

HSWAC Final EIS  Scroll near the bottom of the list to "2009-09-23-FEIS-Honolulu-Seawater-AirConditioning."

Cold ocean water to be turned into A/C

By Mark Niesse - Associated Press Writer - Associated Press, November 7, 2009

The plan to pump frigid waters from the ocean's depths to air condition downtown Honolulu isn't a pipe dream, and it could reduce the state's dependence on fossil fuels while slashing power bills that are the highest in the nation.

Read the full article