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MHK Projects/Makai Ocean Energy Research Center
Coordinates 19.7275°, -156.0589°Latitude: 19.727629719167
Longitude: -156.05890274048
Device Nameplate Capacity (MW) 0.1  +
Device Units Sold? No  +
Estimated End Date 2017/12/31  +
Has the US Preliminary Permit Been Obtained? No  +
MHK Project Timeline and Milestones 2009 - received funding to build the close
2009 - received funding to build the closed cycle OTEC plant, also known as the OTEC heat exchanger test facility. 2011 - dedication of the completed HX facility 2013 - received additional funds to install a 100kW turbine 2014 - installing turbine and connecting to the U.S. grid
ng turbine and connecting to the U.S. grid  +
Main Overseeing Organization Makai Ocean Engineering Inc +
Number of Build Out Units Deployed 1  +
Number of Devices Deployed 1  +
Permit/License Buildout (MW) 0.1  +
Permit Description Makai's land based OTEC plant did not require an offshore permit. The offshore pipelines from which the OTEC plant draws seawater were previously permitted by NELHA.  +
Permit Title None  +
Place Kailua-Kona + , Hawaii: Energy Resources + , United States: Energy Resources +
ProjectTechnology MHK Technologies/OTEC +
Project City Kailua-Kona +
Project Country United States: Energy Resources +
Project Details Makai Ocean Engineering has designed, owns
Makai Ocean Engineering has designed, owns, and operates a closed-cycle OTEC system in Kailua-Kona Hawaii. True deep cold seawater is drawn from a depth of about 2,000 ft using the deep pipelines (that were also designed by Makai) provided at the Natural Energy Laboratory of Hawaii Authority (NELHA). This closed-cycle system uses ammonia as the working fluid, and features the ability to test and easily "swap out" candidate OTEC heat exchangers, which are critical to the overall economics of OTEC. As of Feb 2014, this is the largest closed cycle system in the world. A turbine, rated at 100kW, will be installed on the power cycle some time in late 2014. This will be the largest operational OTEC plant in the world, as well as the only closed-cycle OTEC plant ever connected to a U.S. electrical grid. This facility was funded by Makai Ocean Engineering, the Office of Naval Research (ONR), Hawaii Natural Energy Institute (HNEI), and Naval Facilities Command (NAVFAC).
I), and Naval Facilities Command (NAVFAC).  +
Project Footprint 0.0001  +
Project Installed Capacity (MW) 0.1  +
Project Nearest Body of Water Pacific Ocean  +
Project Phase Phase 3  +
Project Phase Date 2014/01/01  +
Project Resource Ocean Thermal Energy Conversion  +
Project Start Date 2009/07/01  +
Project State/Province Hawaii: Energy Resources +
Project Status Active  +
United States Permit No  +
Was This Project DOE Funded? No  +
Categories Marine and Hydrokinetic Technology Projects
Modification date
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01:38:28, 28 March 2014  +
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MHK Technologies/OTEC + Project(s) where this technology is utilized
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