The Yokosuka Area is a base for energy industrial technology research.
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The Yokosuka Area is located on the west coast (Sagami Bay) of theMiura peninsula. There are R&D facilities on an extensive area of approximately 260,000 square meters, with approximately 400 employees
including researchers on electrical engineering, information and communication engineering, mechanical engineering, chemistry, materials
science, and nuclear power engineering engaged in a wide range ofR&D work from basic studies to practical applications. There was theHigh Voltage Research Institute (Incorporated foundation) at this site
before 1977. After succeeding the business of the High Voltage PowerLaboratory (1977), tests and research on high power and high voltage
related to power transmission and distribution facilities have been
conducted here. Departments related to nuclear power, thermal powerand Electric power system have sequentially moved from the Komae
Area, currently, Energy Transformation Research Laboratory(EXRL), Grid
Innovation Research Laboratory(GdRL), in addition to Risk Assessment
Research Team of Nuclear Risk Research Center(NRRC) and Yokosuka
Operation and Service Center, which deals with office works, safety andsupports research laboratories, are located here in the Yokosuka Area
as a "base for energy industry technology".

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Main BuildingNew Main Building
Large bus stopReception

Organization of the Yokosuka Area
Nuclear Risk Research Center（NRRC）

Risk Assessment Research Team

Strategy and Planning Division

Energy Transformation
Research Laboratory（EXRL）

Plant Systems Engineering Division
Materials Science Division
Performance Demonstration Center
Energy Chemistry DivisionArea Research Building Ⅳ・Wireless Power Transfer・Power Semiconductor Fabrication /Evaluation Equipment

 Research Building Ⅴ
Strategy and Planning Division

Grid Innovation
Research Laboratory(GdRL)・Stress Corrosion Cracking Testing Facility
for Environment of High Temperature Water

ENIC Division Research Building Ⅵ

Grid and Communication Technology Division Research Building Ⅶ・High-Voltage Hall

Electric Facility Technology Division
Yokosuka Operation and Service Center
Safety Management Center

High Power Testing Center
Shiobara Testing Yard

・Spherical Aberration Corrected Transmission
Electron Microscope : Cs-corrected TEM

・Structural Material Strength Evaluation Test Equipment
・Secondary Battery Performance Evaluation
Testing Equipment
・New Functional Devices Research Facilities

Area Research Building Ⅷ・loT Laboratory
・Thermal Cycling Test Apparatus of Thermal Barrier Coating (TBC)
・Non-Destructive Inspection Equipment
・Communication Media Experimental Facility
・Water Electrolysis (PEMWE・AWE) Short-circuit Test Building
・High Power Test Facilities Coal Combustion Test FacilityⅠ・Coal Combustion Test Facility Coal Gasification Test Facility
 Thermal Power Feedwater Treatment Test Equipment
★ Coastal Exposure Test StationArea

 Component Creep Test Control Building Advanced Fuel Utilization Test Building High-voltage Insulation Test Building Long Length XLPE Cable Deterioration Test Building Heat Pump Test Building Ⅲ・Component Creep Test Facility

・Long Length XLPE Cable Deterioration Test Facility Power Plant Thermal-hydraulic Test Building

・Pipe Wall Thinning Test Facilities
・Fluid Leakage Experiment for The Inﬂuence on Personnel and Surrounding
Equipment by Pipe Failure
・Three-dimensional Thermal Hydraulics Test Facility with High-Energy
X-ray CT System Materials Analysis and Characterization Building
・Atom Probe Tomograph・Spherical Aberration Corrected Transmission
Electron Microscope : Cs-corrected TEM

・Biomass Carbonized Fuel Production Test Facility
・Liqueﬁed Ammonia-based Solvent Extraction Apparatus

・Research and Development Facility for Industrial andCommercial Heat Pumps
・Air Heat Exchanger Test Facility for Heat Pumps(Frost-Free Heat Pumps Research Facility) Coal Combustion Test Building Ⅱ
・Single-Burner Combustion Test Furnace Advanced Distribution Grid Test BuildingArea
 Fuel Cell Test Building Ⅰ

・Direct Biomass Fuel Cells Test Facility Fuel Cell Test Building Ⅱ・Solid Oxide Fuel Cells (SOFC) /Solid Oxide Electrolysis Cells (SOEC) Test facility Heat Pump Test Building Ⅱ・Evaluation Facility for Residential Heat Pumps