Renewable Energy Deployment Technology Developed in Okinawa
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1 OKINAWA ENETECH CO., INC. Sadao Asato June 18, 2015 Renewable Energy Deployment Technology Developed in Okinawa
Transcript of Renewable Energy Deployment Technology Developed in Okinawa
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OKINAWA ENETECH CO., INC.Sadao Asato
June 18, 2015
Renewable Energy Deployment TechnologyDeveloped in Okinawa
OKINAWA ENETECH CO., INC.１. Summary of Okinawa Prefecture
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Okinawa
Data on Okinawa Prefecture
Area 2,300 sq. km
Population 1,416,000
Avg. temperature 23℃
Annual number of typhoons
(1951 – 2013 avg.)7.4
Average solar radiation time
1,710 hours
Average annual rainfall 2,040 mm
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2. Technology developed in Okinawa
RE Output control
Battery
Load control
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●Hateruma Island Project
System Stabilizer(Fly-wheel)
Wind Turbines(Capacity: 245kW×2)
Small-scale Power System
50％
50％
Variation Control
Electric Power LoadApprox. 700kW (Max)
Variation control by the demandDiesel Generator
(Total Capacity: 950kW)
【Laboratory Test】
Seawater DesalinationPlantＰ
【Verification Study】
Wind turbine tiltable system Flywheel
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RO Membrane
Seawater Tank
High-Pressure Pump
Seawater Desalination Plant DG Output Lower Limit Measures
●Hateruma Island Project
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Tonga
Ghana
Laos
Thailand Cambodia
New Caledonia
Mongolia
Botswana
Hawaii
Kiribati
SolomonIslands
3. Overseas Projects
Russia
Samoa
Jamaica
Maldives
SeychellesCook Islands
Indonesia
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PalauMarshallIslands
Vanuatu
Fiji
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●System Interconnection Demonstration Project of Photovoltaic Power Generation in Thailand
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●Project in Thailand ① Project Overview
Power Conditioner
Solar Panel
Main Photovoltaic Generation System Load
Existing Diesel Generator
Storage Battery
Interconnection
• Photovoltaic generation outputcharge and discharge
• Photovoltaic generation outputstabilization
OKINAWA ENETECH CO., INC.●Project in Thailand② Interaction with Local People
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Project structureIntegration of Okinawa and Hawaii's knowledge and experience to Pacific regions
ENETECH
Okinawa Hawai’i
Marshall Islands
Planning of PV Hybrid system
Legal system related to
renewables
Maximum allowable amount of renewables
Optimizing operation of existing
diesel gen. sets
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For a sustainable world…
We would like to deepen technical exchanges with various people around the world to further improve technical capabilities, which makes for a sustainable future.
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Thank you very much!
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