Home > NPPs in Japan > Fukushima Daiichi-4
  
    NPPs in Japan
    
      
      
                    Under decommissioning
            Fukushima Daiichi-4
                          
            
            
              
                                  
                    | Age: | 
                                        33 | 
                  
                                                  
                    | Reactor Type: | 
                    BWR | 
                  
                                                  
                    | Gross Output: | 
                    784MWe | 
                  
                                                  
                    | Net Output: | 
                    760MWe | 
                  
                                
                  | Owner: | 
                                    TEPCO | 
                
                
                  | Operator: | 
                  
                                          TEPCO                                       | 
                
              
             
                        
              
                                  
                    | Date of order: | 
                    1972 | 
                  
                                                  
                    | Construction Start: | 
                    1972-09 | 
                  
                                                  
                    | Concrete placing: | 
                    1973-02-12 | 
                  
                                                  
                    | Initial Criticality: | 
                    1978-01-28 | 
                  
                                                  
                    | Grid connection: | 
                    1978-02-24 | 
                  
                                                  
                    | Commercial Operation: | 
                    1978-10-12 | 
                  
                                                  
                    | Main contractor: | 
                    Hitachi | 
                  
                                                  
                    | Architect Engineer: | 
                    Hitachi | 
                  
                                                  
                    | Reactor System supplier: | 
                    Hitachi | 
                  
                                                  
                    | Reactor Vessel supplier: | 
                    Hitachi/BHK | 
                  
                                                  
                    | Incore Structure supplier: | 
                    Hitachi | 
                  
                                                  
                    | Fuel supplier: | 
                    NFI | 
                  
                                                  
                    | Steam raising supplier: | 
                    Hitachi | 
                  
                                                  
                    | Turbine generator supplier: | 
                    Hitachi | 
                  
                                                  
                    | Civil works: | 
                    various |