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                                                                                        National Grid USA and Subsidiaries           | 
              
          
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                                                                                        National Grid North America Inc. and Subsidiaries           | 
              
          
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                                                                                        National Grid Generation           | 
              
          
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                                                                                        Annual Report and Accounts 2023/24           | 
              
          
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                                                                                        Strategic Report 2023-24           | 
              
          
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                                                                                        Financial Statements 2023-24           | 
              
          
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                                                                                        Corporate Governance Report 2023-24           | 
              
          
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                                                                                        Additional Information 2023-24           | 
              
          
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                                                                                        Annual Report and Accounts 2023/24 – 20F           | 
              
          
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                                                                                        Annual Report and Accounts 2022/23           | 
              
          
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                                                                                        Additional Information 2022-23           | 
              
          
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                                                                                        Annual Report and Accounts 2022/23 - Interactive           | 
              
          
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                                                                                        Corporate Governance Report 2022-23           | 
              
          
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                                                                                        Financial Statements 2022-23           | 
              
          
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                                                                                        Strategic Report 2022-23           | 
              
          
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                                                                                        6 June 2023 - Notice of 2023 Annual General Meeting           | 
              
          
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                                                                                        Annual Report and Accounts 2022/23 – 20F           | 
              
          
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                                                                                        Annual Report and Accounts 2022/23 - Form 20-F XBRL data files           | 
              
          
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                                                                                        ARA Key Board activities 2024/25           | 
              
          
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                                                                                        ARA Governance report 2024/25           |