100 kW CC-OTEC Plant and Deep Ocean water Applications

in Kumejima, Okinawa, Japan

Katsuya Furugen Department of Commerce, Industry and Labor

Okinawa Prefectural Government

Yasuyuki Ikegami Institute of Ocean Energy, Saga University(IOES), JAPAN

-Seminar and Technology Match Make Event- by Government of the Netherlands

Hawai’i Convention Center Honolulu, HAWAI’I,USA

September 10, 2013

OTEC Demonstration Facility in Kumejima (Okinawa)

Okinawa Prefectural Deep Sea Water Research Center, since 2000

OTEC Demonstration

Facility (Picture on 10 March. 2013)

Go to NEW STAGE (ReSTART) of Real OTEC Technology to connect the electric grid for the first time in 15 years in the world.

IOES (Institute of Ocean Energy, Saga Univ.)

Experiments and Demonstration by IOES (Institute of Ocean Energy, Saga University)

30 kW Electricity Desalination H2 Storage

Lithium Recovery

NEDO Renewable Energy Technology White Paper (outline)

~ Toward a new, energy-diversified society ~

July 2010

New Energy and Industrial Technology Development

Organization (NEDO)

JAPAN

7. OTEC ～Technology Roadmap～

Power Demands in Okinawa

8

REFERENCE：NEDO「海洋エネルギーポテンシャルの把握に係る業務」（ 平成23年3月）における温度差分布図（5年間平均値）に追記

Okinawa Mainland Population：approx.1.25mil. Total Capacity of Existing Power Plant：1733MW

Kumejima Population：approx.9thou. Total Capacity of Existing Power Plant：19.2MW

Miyakojima Population：approx.50thou. Total Capacity of Existing Power Plant：76.5MW Ishigakijima Population：approx.45thou. Total Capacity of Existing Power Plant：69MW

Chichijima Population：approx.2 thou. Total Capacity of Existing Power Plant：4.3MW

Minamitorishima （Out of this map: 24o17’N 153o59E）

Kuroshio Current Area

Okinotorishima

Implementation System of Okinawa’s OTEC Demonstration Project

Okinawa pref. Gov

Main role ○ ＩＨＩ Plant Construction Produce & set up sea water system Design, work ・・・ｅｔｃ ○ Xenesys Basic concept Produce & set up generation unit & heat exchanger Examine multiple usage of DSW ・・・ｅｔｃ ○ Yokogawa Electric Produce & set up electricity & control system ・・・ｅｔｃ

ＩＨＩ Plant Construction, Xenesys, Yokogawa Electric （JV）

Institute of Ocean Energy, Saga University

Commission Cooperation Cooperation

100kW OTEC Demonstration Facility in Kumejima (Okinawa) Power Generation Unit

Unit A for Continuous Power

Generation (max.50kW)

Unit B for Experiments on

Elemental Technology (50kW size without Turbine Generator)

Evaporator A

Evaporator B Condenser B

Condenser A

Monitoring and Control

Space

>Working Fluid: R134a >Thermo Cycle: Rankine (2-Stage Rankine when Unit-A and B are combined) >Evaporator and Condenser: Titanium Plate HEX (Cross Flow) >Turbine Generator (Unit-A): 50kW, 400V, 33000rpm with frequency conditioner

OTEC Demonstration Facility in Kumejima (Okinawa) Recent Mile Stones

Jan. 2013 Feb. 2013 Mar. 2013 Apr. 2013 May. 2013

28 Jan. Construction Started at Site

16 June. Official Operation Starts

30 Mar. / 1st Power Generation Test Succeeded

Surface Water: 23.5 oC, 330t/h Deep Water: 9.3 oC, 250t/h Power Output: 3.1kW (for Test)

June,2013

Aquaculture Using DOW ‘TAKUMI’ Project 拓海

Recycling Mineral Rich Deep Ocean Water

(by Prof. Ouchi)

Marine Forum 21 Project

海洋肥沃化装置「拓海」の設計・製作・設置・運用について

㈱大内海洋コンサルタント大内一之

海洋肥沃化装置「拓海」の開発と実海域実験

㈱大内海洋コンサルタント 大内 一之

TAKUMI in Final Docking Before Delivery in IHI Yokohama Shipyard, May 2003

TAKUMI on Operation at Sagami Bay

(by Prof. Ouchi, The University of Tokyo )

16

Nippon Kaiji Kyokai (known as ClassNK) has issued its first Approval-in-Principle (AIP) for Totally Submerged OTEC

floating power plant model of JMU(Japan Marine United Corp.)

On September 2nd ,2013

17

Fukushima Wind Farm Project

18

19

Nippon Kaiji Kyokai (known as ClassNK) has issued its first Approval-in-Principle (AIP) for Totally Submerged OTEC

floating power plant model of JMU(Japan Marine United Corp.)

On September 2nd ,2013