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      • About MHI Group
        • Philosophy and Vision
        • Corporate Policy
        • Corporate Overview
        • Officers
        • Corporate Organization
        • Company Brochure
        • History
        • Exhibition Facilities
        • Event & Exhibition
        • Outline of MHI Group
        • MHI Group’s Declaration to achieve Carbon Neutral by 2040
      • CEO Message
      • Business Domains
      • Group Company Network
        • Region
        • Products
        • Business
        • Alphabetical Order
        • Text Version
      • Locations
        • Head Offices & Domestic Offices
        • Research & Innovation Center
        • Works & Plants
        • Overseas Offices
        • Nagasaki Shipyard & Machinery Works
        • Shimonoseki Shipyard & Machinery Works
        • Hiroshima Machinery Works
        • Mihara Machinery Works
        • Kobe Shipyard & Machinery Works
        • Takasago Machinery Works
        • Yokohama Dockyard & Machinery Works
        • Sagamihara Machinery Works
        • Hitachi Works
        • Kure Works
      • Procurement
        • Procurement Policy
        • MHI Group Supply Chain CSR Promotion Guidelines
        • Procurement Network
        • Registration
      • REGIONS
        • Mitsubishi Heavy Industries in AMER
        • Mitsubishi Heavy Industries in EMEA
        • Mitsubishi Heavy Industries in APAC
        • Mitsubishi Heavy Industries in THAILAND
      • Mitsubishi Minatomirai Industrial Museum
      • Careers
    • Our Business
      • Products
        • Energy
        • Aircraft
        • Space
        • Ship & Ocean
        • Transportation
        • Material handling
        • Environment
        • Automotive
        • Industrial machinery
        • Infrastructure
        • Living & leisure
        • Defense
        • Engineering
      • Technology
        • Technical Review
        • Main Research & Innovation
        • Intellectual Property
        • Yokohama Hardtech Hub
      • Nuclear Energy Systems
        • Quality Assurance
        • Nuclear Power Plant Exporter's Principles of Conduct
        • Bidding information
    • Sustainability
      • Management
        • Framework
        • Materiality Explanation Cartoon
        • GRI Guidelines Comparison Tables
        • Recognition from Society
      • Governance
      • Environment
        • Certification: ISO14001
        • TCFD Disclosure
        • How MHI Group is Helping to Protect Biodiversity
        • Products / Projects that Contribute to the Decarbonization
      • Society
        • Certification(ISO45001)
        • Policy on Human Rights
      • Library
    • Investors
      • Management Policy
        • Corporate Governance
        • Disclosure Policy
      • Financial Data
        • Financial Highlights
        • Outline of Financial Results
        • Main Financial Data
        • Main Financial Index
        • Business Segment Data
        • Overseas Sales by Region
        • Consolidated Statement of Financial Position
        • Consolidated Statement of Profit or Loss
        • Consolidated Statement of Cash Flows
      • IR Library
        • Financial Results
        • Medium-Term Business Plan
        • Briefings by Topic
        • Business Presentation
        • MHI Report (Annual Report) and Other Reports
        • Other Presentation
        • Conference Movie
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        • Analyst Coverage
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        • ESG Finance
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      • ENERGY - 
      • Nuclear Power Generation - 
      • Pressurized Water Reactor (PWR)

      Pressurized Water Reactor (PWR)
      [ Nuclear Power Generation ]
      [ ENERGY ]

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      • History
      • Orders Received
      • Features of the LWR Plant
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      Pressurized Water Reactor (PWR) in Japan

      A pressurized water reactor (PWR) is a type of light water reactor system that is most widely used around the world

      The PWR reactors constitute the largest majority of nuclear power plants in the world and uses ordinary water as the moderator and coolant. There are 24 PWR nuclear power plants in Japan, of which all but the first few plants were designed, manufactured, and constructed by MHI as the main contractor.

      • HistoryMHI Group completed the first Pressurized Water Reactor (PWR) nuclear power plant in Japan, Mihama Unit 1, in 1970.
      • Orders Received There are 24 PWR nuclear power plants, now in operation in JAPAN, of which total electrical output reached nearly 20,000 MWe.
      • Features of the LWR Plant Nuclear power generation makes use of energy generated by the nuclear fission.
      • Configuration of Basic System About Configuration of Basic System
      • Major Systems About Major Systems
      • Pumps for nuclear power plant About Pumps for nuclear power plant
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