##### 



Exhibit 8

Description of New National Grid plc
and Its Subsidiary Companies

As of March 31, 2002



|                                            |                                           |                 |                                  
|------------------------------------------- | ----------------------------------------- | --------------- | ---------------------------------
|1. National Grid Group plc                  | Public Limited                            | England & Wales | Holding Company                  
|1.1 National Grid (US) Holdings Ltd         | Private Limited Company ("Priv. Ltd Co.") | England & Wales | Intermediate Holding Company     
|1.1.1 National Grid (US) Investments 4      | unlimited company                         | England & Wales | Intermediate Holding Company     
|1.1.1.1 National Grid (US) Partner 2 Ltd    | Priv. Ltd Co.                             | England & Wales | Intermediate Holding Company     
|1.1.1.2 National Grid Twelve Ltd            | Priv. Ltd Co.                             | England & Wales | Special-Purpose Financing Vehicle
|1.1.1.2.1 National Grid Eight Ltd           | Priv. Ltd Co.                             | England & Wales | Special-Purpose Financing Vehicle
|1.1.1.2.2 National Grid Eleven Ltd          | Priv. Ltd Co.                             | England & Wales | Special-Purpose Financing Vehicle
|1.1.1.3 National Grid (US) Partner 1 Ltd    | Priv. Ltd Co.                             | England & Wales | Intermediate Holding Company     
|1.1.1.3.1 National Grid General Partnership | General Partnership                       | Delaware        | Intermediate Holding Company     
|1.1.1.3.1.1 National Grid US LLC            | L.L.C.                                    | Delaware        | Special-Purpose Financing Vehicle





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|                                                           |                                          |                 |                                  
|---------------------------------------------------------- | ---------------------------------------- | --------------- | ---------------------------------
|1.1.1.3.1.2 NG Chicago 1 LLC                               | L.L.C.                                   | Delaware        | Inactive                         
|1.1.1.3.1.3 National Grid Holdings Inc.                    | Corporation                              | Delaware        | Intermediate Holding Company     
|1.1.1.3.1.3.1 National Grid Ten Limited                    | Priv. Ltd Co.                            | England & Wales | Special-Purpose Financing Vehicle
|1.1.1.3.1.3.2 NGG (Delaware) LLC                           | Limited Liability Corporation ("L.L.C.") | Delaware        | Special-Purpose Financing Vehicle
|1.1.1.3.1.3.3 National Grid USA                            | Corporation                              | Delaware        | Intermediate Holding Company     
|1.1.1.3.1.3.3.1 Granite State Electric Company             | Corporation                              | New Hampshire   | Electric Public Utility          
|1.1.1.3.1.3.3.2 Massachusetts Electric Company             | Corporation                              | Massachusetts   | Electric Public Utility          
|1.1.1.3.1.3.3.3 Nantucket Electric Company                 | Corporation                              | Massachusetts   | Electric Public Utility          
|1.1.1.3.1.3.3.4 New England Power Company                  | Corporation                              | Massachusetts   | Electric Public Utility          
|1.1.1.3.1.3.3.4.1 Connecticut Yankee Atomic Power Co.      | Corporation                              | Connecticut     | Nuclear Plant Owner              
|1.1.1.3.1.3.3.4.2 Maine Yankee Atomic Power Co.            | Corporation                              | Maine           | Nuclear Plant Owner              
|1.1.1.3.1.3.3.4.3 Vermont Yankee Nuclear Power Corporation | Corporation                              | Vermont         | Nuclear Plant Owner              
|1.1.1.3.1.3.3.4.4 Yankee Atomic Electric Co.               | Corporation                              | Massachusetts   | Nuclear Plant Owner              





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|                                                                     |             |               |                                                                       
|-------------------------------------------------------------------- | ----------- | ------------- | ----------------------------------------------------------------------
|1.1.1.3.1.3.3.5 New England Hydro-Transmission Electric Company, Inc | Corporation | Massachusetts | Electric Transmission Utility                                         
|1.1.1.3.1.3.3.6 New England Hydro-Transmission Corporation           | Corporation | New Hampshire | Electric Transmission Utility                                         
|1.1.1.3.1.3.3.6.1 New England Hydro Finance Company, Inc.            | Corporation | Massachusetts | Finance Company                                                       
|1.1.1.3.1.3.3.7 New England Electric Transmission Corp.              | Corporation | New Hampshire | Electric Transmission Utility                                         
|1.1.1.3.1.3.3.8 The Narragansett Electric Company                    | Corporation | Rhode Island  | Public Utility Company                                                
|1.1.1.3.1.3.3.9 Wayfinder Group, Inc.                                | Corporation | Massachusetts | Utility Consulting, Energy-Related Company, Nonutility Holding Company
|1.1.1.3.1.3.3.9.1 NEWHC, Inc.                                        | Corporation | Massachusetts | Inactive                                                              
|1.1.1.3.1.3.3.9.2 Monitoring Technology Corp.                        | Corporation | Delaware      | Component Wear Technology Design and Manufacture                      
|1.1.1.3.1.3.3.9.3 Nexus Energy Software Inc.                         | Corporation | Massachusetts | Software/Marketing                                                    
|1.1.1.3.1.3.3.9.4 Separation Technologies Inc.                       | Corporation | Delaware      | Ash Processing Equipment                                              
|1.1.1.3.1.3.3.10 NEES Energy Inc.                                    | Corporation | Massachusetts | Marketing                                                             
|1.1.1.3.1.3.3.10.1 AEMC, LLC                                         | L.L.C.      | Delaware      | Inactive                                                              
|1.1.1.3.1.3.3.10.1.1 AEDR Fuels LLC                                  | L.L.C.      | Maine         | Inactive                                                              





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##### 



|                                                           |             |               |                                                   
|---------------------------------------------------------- | ----------- | ------------- | --------------------------------------------------
|1.1.1.3.1.3.3.11 EUA Energy Investment Corp.               | Corporation | Massachusetts | Energy-Related Company, Nonutility Holding Company
|1.1.1.3.1.3.3.11.1 EUA Bioten, Inc.                        | Corporation | Massachusetts | Inactive                                          
|1.1.1.3.1.3.3.11.2 Eastern Unicord Corp.                   | Corporation | Massachusetts | Inactive                                          
|1.1.1.3.1.3.3.12 National Grid Transmission Services Corp. | Corporation | Massachusetts | Utility Consulting Services                       
|1.1.1.3.1.3.3.13 National Grid USA Service Company Inc.    | Corporation | Massachusetts | Service Company                                   
|1.1.1.3.1.3.3.14 NEES Communications, Inc.                 | Corporation | Massachusetts | Telecommunications Company                        
|1.1.1.3.1.3.3.14.1 Goddard GigaPoP LLC                     | L.L.C.      | Delaware      | Telecommunications Company                        
|1.1.1.3.1.3.3.14.2 NEES Telecommunications Corp            | Corporation | Massachusetts | Inactive                                          
|1.1.1.3.1.3.3.15 Metrowest Realty LLC                      | L.L.C.      | Delaware      | Real Estate Investment Company                    
|1.1.1.3.1.3.3.16 New England Energy Inc.                   | Corporation | Massachusetts | Inactive                                          
|1.1.1.3.1.3.3.17 New England Wholesale Electric Company    | Corporation | Massachusetts | Inactive                                          
|1.1.1.3.1.3.3.18 Niagara Mohawk Holdings, Inc.             | Corporation | New York      | Intermediate Holding Company                      
|1.1.1.3.1.3.3.18.1 Niagara Mohawk Power Corporation        | Corporation | New York      | Electric & Gas Public Utility                     
|1.1.1.3.1.3.3.18.1.1 NM Properties, Inc.                   | Corporation | New York      | Real Property Management                          





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|                                                                   |             |          |                                
|------------------------------------------------------------------ | ----------- | -------- | -------------------------------
|1.1.1.3.1.3.3.18.1.1.1 Salmon Shores, Inc.                         | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.2 Riverview, Inc.                             | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.2.1 Riverview Galusha LLC                     | LLC         | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.3 Landwest, Inc.                              | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.4 Hudson Pointe, Inc.                         | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.5 Upper Hudson Development Inc.               | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.6 Oprop Co., Inc.                             | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.7 Moreau Park, Inc.                           | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.8 Land Management & Development, Inc.         | Corporation | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.8.1 Minoa Farms Development Co. LLC           | LLC         | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.8.2 Salmon Hills Cross Country Ski Resort LLC | LLC         | New York | Invests in Ski Resorts         
|1.1.1.3.1.3.3.18.1.1.8.3 Salmon Shores Partnership                 | Partnership | New York | Real Estate Development Company
|1.1.1.3.1.3.3.18.1.1.8.4 Second Street Associates, LLC             | LLC         | New York | Real Estate Development Company





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|                                                           |             |                 |                                              
|---------------------------------------------------------- | ----------- | --------------- | ---------------------------------------------
|1.1.1.3.1.3.3.18.1.2 NM Uranium, Inc.                      | Corporation | Texas           | Holds Investment in Uranium Mining           
|1.1.1.3.1.3.3.18.1.3 HCE Pepperell, Inc.                   | Corporation | New York        | Inactive                                     
|1.1.1.3.1.3.3.18.1.4 NM Receivables Corp. II               | Corporation | New York        | Management Company for NM Receivables, L.L.C.
|1.1.1.3.1.3.3.18.1.5 NM Receivables LLC                    | L.L.C.      | New York        | Financing Subsidiary                         
|1.1.1.3.1.3.3.18.2 Opinac North America, Inc.              | Corporation | Delaware        | Intermediate Holding Company                 
|1.1.1.3.1.3.3.18.2.1 Opinac Energy Corp.                   | Corporation | Canada          | Intermediate Holding Company                 
|1.1.1.3.1.3.3.18.2.1.1 Canadian Niagara Power Company LTD  | Corporation | Ontario, Canada | Foreign Utility Company                      
|1.1.1.3.1.3.3.18.2.1.1.1 Canadian Niagara Power Inc.       | Corporation | Ontario, Canada | Electric Utility                             
|1.1.1.3.1.3.3.18.2.1.1.2 Westario Power Holdings Inc.      | Corporation | Ontario, Canada | Nonutility Holding Company                   
|1.1.1.3.1.3.3.18.2.1.1.2.1 Westario Power Inc.             | Corporation | Ontario, Canada | Electric Distribution Utility                
|1.1.1.3.1.3.3.18.2.1.1.2.2 Westario Power Services Inc.    | Corporation | Ontario, Canada | Energy Related Marketing Company             
|1.1.1.3.1.3.3.18.2.1.1.3 Rideau St. Lawrence Holdings Inc. | Corporation | Ontario, Canada | Nonutility Holding Company                   





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|                                                                  |               |                 |                                      
|----------------------------------------------------------------- | ------------- | --------------- | -------------------------------------
|1.1.1.3.1.3.3.18.2.1.1.3.1 Rideau St. Lawrence Distribution, Inc. | Corporation   | Ontario, Canada | Electric Distribution Company        
|1.1.1.3.1.3.3.18.2.1.1.3.2 Rideau St. Lawrence Utilities Inc.     | Corporation   | Ontario, Canada | Service Company                      
|1.1.1.3.1.3.3.18.2.1.1.3.3 Rideau St. Lawrence Services Inc.      | Corporation   | Ontario, Canada | Service Company                      
|1.1.1.3.1.3.3.18.2.1.1.4 1161557 Ontario Inc.                     | Corporation   | Ontario, Canada | Inactive                             
|1.1.1.3.1.3.3.18.2.2 Niagara Mohawk Energy, Inc.                  | Corporation   | Delaware        | Energy Marketing and Services Company
|1.1.1.3.1.3.3.18.2.2.1 Telergy Central LLC                        | L.L.C.        | New York        | Exempt Telecommunications Company    
|1.1.1.3.1.3.3.18.2.2.2 Direct Global Power                        | Corporation   | Delaware        | Photovoltaics                        
|1.1.1.3.1.3.3.18.2.3 Telergy, Inc.                                | Corporation   | New York        | Exempt Telecommunications Company    
|1.1.1.3.1.3.3.18.2.4 eVionyx, Inc.                                | Corporation   | Delaware        | Exempt Telecommunications Company    
|1.2 National Grid Holdings One plc                                | plc           | England & Wales | Holding Company                      
|1.2.1 National Grid Holdings Limited                              | Priv. Ltd Co. | England & Wales | Intermediate Holding Company         
|1.2.1.1 National Grid Properties Ltd                              | Priv. Ltd Co. | England & Wales | Real Estate Development              
|1.2.1.2 National Grid Nominees Ltd                                | Priv. Ltd Co. | England & Wales | Nominee Shareholder                  





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|                                                    |               |                 |                                                                         
|--------------------------------------------------- | ------------- | --------------- | ------------------------------------------------------------------------
|1.2.1.3 The National Grid Company plc               | Priv. Ltd Co. | England & Wales | Electric Transmission Company                                           
|1.2.1.3.1 NGC Leasing Ltd                           | Priv. Ltd Co. | England & Wales | Leasing Company                                                         
|1.2.1.3.2 Elexon Ltd                                | Priv. Ltd Co. | England & Wales | Non-profit Company required under the U.K. Electricity Regulatory Regime
|1.2.1.3.3 NG Property Developments Ltd.             | Priv. Ltd Co. | England & Wales | Real Estate Development                                                 
|1.2.1.4 National Grid Four Ltd                      | Priv. Ltd Co. | England & Wales | Holding Company                                                         
|1.2.1.5 National Grid Jersey Holdings Five Limited  | Priv. Ltd Co. | Jersey          | Holding Company                                                         
|1.2.1.5.1 National Grid Three Ltd                   | Priv. Ltd Co. | England & Wales | Intermediate Holding Company                                            
|1.2.1.5.1.1 NGG Telecoms Ltd                        | Priv. Ltd Co. | England & Wales | Intermediate Holding Company                                            
|1.2.1.5.1.1.1 Energis plc                           | plc           | England & Wales | Telecommunications Holding Company                                      
|1.2.1.6 NGG Telecoms Investment Ltd                 | Priv. Ltd Co. | England & Wales | Holding Company                                                         
|1.2.1.7 National Grid Jersey Holdings Four Limited  | Priv. Ltd Co. | Jersey          | Holding Company                                                         
|1.2.1.7.1 Gridcom Limited                           | Priv. Ltd Co. | England & Wales | Telecommunications Company                                              
|1.2.1.8 National Grid Jersey Holdings Three Limited | Priv. Ltd Co. | Jersey          | Holding Company                                                         





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|                                                              |                       |                 |                             
|------------------------------------------------------------- | --------------------- | --------------- | ----------------------------
|1.2.1.8.1 First Point Energy Corp. (formerly MyUtility, Inc.) | Corporation           | Delaware        | Energy Related Services     
|1.2.1.9 National Grid (US) Investments                        | Priv. Unlimited Co.   | England & Wales | Investment Company          
|1.2.1.10 National Grid Gold Limited                           | Priv. Ltd Co.         | England & Wales | Investment Company          
|1.2.1.11 National Grid Insurance Limited                      | Priv. Ltd Co.         | Guernsey        | Captive Insurer             
|1.2.1.12 National Grid Two Ltd                                | Priv. Ltd Co.         | England & Wales | Financial Management Company
|1.2.1.13 National Grid Five Ltd                               | Priv. Ltd Co.         | England & Wales | Intermediate Holding Company
|1.2.1.13.1 NatGrid Finance Holdings Ltd                       | Priv. Ltd Co.         | England & Wales | Intermediate Holding Company
|1.2.1.13.1.1 NatGrid Finance Ltd                              | Priv. Ltd Co.         | England & Wales | Financial Services Company  
|1.2.1.13.1.1.1 NG Jersey Ltd                                  | Priv. Ltd Co.         | Jersey          | Financial Services Company  
|1.2.1.13.1.1.2 NG Investments Ltd                             | Priv. Ltd Co.         | Jersey          | Financial Services Company  
|1.2.1.13.1.1.2.1 NatGrid Investments Ltd                      | Priv. Ltd Co.         | England & Wales | Financial Services Company  
|1.2.1.13.2 National Grid Two Ltd                              | Priv. Ltd Co.         | England & Wales | Inactive                    
|1.2.1.13.2.1 The National Grid Investments Co.                | Private Unlimited Co. | England & Wales | Inactive                    
|1.2.1.13.3 National Grid Six Ltd                              | Priv. Ltd Co.         | England & Wales | Financial Services Company  





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|                                                        |               |                                   |                             
|------------------------------------------------------- | ------------- | --------------------------------- | ----------------------------
|1.2.1.13.4 National Grid International Ltd              | Priv. Ltd Co. | England & Wales                   | Intermediate Holding Company
|1.2.1.13.4.1 National Grid (Isle of Man) Ltd            | Priv. Ltd Co. | Isle of Man (resident in England) | Holding Company             
|1.2.1.13.4.2 National Grid Seven Ltd                    | Priv. Ltd Co. | England & Wales                   | Intermediate Holding Company
|1.2.1.13.4.2.1 National Grid Holdings BV                | Priv. Ltd Co. | Netherlands                       | Holding Company             
|1.2.1.13.4.2.1.1 National Grid Manquehue BV             | Priv. Ltd Co. | Netherlands                       | Holding Company             
|1.2.1.13.4.2.1.1.1 Manquehue Net S.A.                   | Priv. Ltd Co. | Chile                             | Holding Company             
|1.2.1.13.4.2.1.1.1.1 Silica Net S.A.                    | Priv. Ltd Co. | Chile                             | Holding Company             
|1.2.1.13.4.2.1.1.1.1.1 Inversiones Silica Networks      | Priv. Ltd Co. | Chile                             | Intermediate Holding Company
|1.2.1.13.4.2.1.1.1.1.1.1 Silica Networks S.A.           | Priv. Ltd Co. | Chile                             | Telecommunications Company  
|1.2.1.13.4.2.1.2 National Grid Fourteen Ltd             | Priv. Ltd Co. | England & Wales                   | Holding Company             
|1.2.1.13.4.2.1.2.1 National Grid Chile BV               | Priv. Ltd Co. | Netherlands                       | Holding Company             
|1.2.1.13.4.2.1.2.1.1 SCC Uno S.A.                       | Priv. Ltd Co. | Chile                             | Holding Company             
|1.2.1.13.4.2.1.2.1.1.1 SN Investment Argentina S.A.     | Priv. Ltd Co. | Chile                             | Investment Company          
|1.2.1.13.4.2.1.2.1.1.1.1 Silica Networks Argentina S.A. | Priv. Ltd Co. | Argentina                         | Telecommunications Company  





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|                                                                                                                                                          |                             |                 |                                 
|--------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------- | --------------- | --------------------------------
|1.2.1.13.4.2.1.3 National Grid Finance BV                                                                                                                 | Priv. Ltd Co.               | Netherlands     | Holding Company                 
|1.2.1.13.4.2.1.3.1 Compania Inversora En Transmicion Electrica Citelec S.A.                                                                               | Priv. Ltd Co.               | Argentina       | Holding Company                 
|1.2.1.13.4.2.1.3.1.1 Compania de Transporte de Energia Electrica en Alta Tension Transener S.A.                                                           | Priv. Ltd Co.               | Argentina       | Electric Transmission Company   
|1.2.1.13.4.2.1.3.1.1.1 Empresa de Transporte de Energia Electrica por Distribucion Troncal de
la Provincia de Buenos Airies Sociedad Anonima
Transba S.A. | Priv. Ltd Co.               | Argentina       | Electric Transmission Company   
|1.2.1.13.4.2.1.4 National Grid Brazil Finance                                                                                                             | Unlimited liability company | England & Wales | Investment Company              
|1.2.1.13.4.2.1.5 National Grid Reserve VIII BV                                                                                                            | Priv. Ltd Co.               | Netherlands     | Business Development Vehicle    
|1.2.1.13.4.2.1.6 National Grid Brazil BV                                                                                                                  | Priv. Ltd Co.               | Netherlands     | Holding Company                 
|1.2.1.13.4.2.1.6.1 JVCO Participacoes Ltda                                                                                                                | Priv. Ltd Co.               | Brazil          | Telecommunications Company      
|1.2.1.13.4.2.1.6.1.1 Holdco Participacoes Ltda                                                                                                            | Priv. Ltd Co.               | Brazil          | Holding Company                 
|1.2.1.13.4.2.1.6.1.1.1 Intelig Telecomunicacoes Ltda                                                                                                      | Priv. Ltd Co.               | Brazil          | Telecommunications Company      
|1.2.1.13.4.2.1.7 National Grid Zambia BV                                                                                                                  | Priv. Ltd Co.               | Netherlands     | Holding Company                 
|1.2.1.13.4.2.1.7.1 Copperbelt Energy Corporation Plc                                                                                                      | Plc                         | Zambia          | Electricity Transmission Company





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|                                                |                               |                                   |                                                  
|----------------------------------------------- | ----------------------------- | --------------------------------- | -------------------------------------------------
|1.2.1.13.4.2.1.8 National Grid Holland Ltd      | Priv. Ltd Co.                 | England & Wales                   | Investment Company                               
|1.2.1.13.4.2.1.9 National Grid Poland BV        | Priv. Ltd Co.                 | Netherlands                       | Holding Company                                  
|1.2.1.13.4.2.1.9.1 Energis Polska Sp zo.o       | Priv. Ltd Co.                 | Poland                            | Telecommunication Company                        
|1.2.1.13.4.2.1.9.1.1 CEL Polska Sp zo.o         | Priv. Ltd Co.                 | Poland                            | Telecommunication Company                        
|1.2.1.13.4.3 National Grid Indus BV             | Priv. Ltd Co.                 | Netherlands (resident in England) | Business Development Vehicle                     
|1.2.1.13.4.4 National Grid Overseas Ltd         | Priv. Ltd Co.                 | England & Wales                   | Intermediate Holding Company                     
|1.2.1.13.4.4.1 National Grid Overseas Two Ltd   | Priv. Ltd Co.                 | England & Wales                   | Intermediate Holding Company                     
|1.2.1.13.4.5 NG Procurement Holdings Limited    | Priv. Ltd Co.                 | England & Wales                   | Intermediate Holding Company                     
|1.2.1.13.4.5.1 National Grid Procurement BV     | Priv. Ltd Co.                 | Netherlands                       | Holding Company                                  
|1.2.1.13.4.5.1.1 Eutilia NV                     | Public Company                | Netherlands                       | Electronic Supplier of Utility Goods and Services
|1.2.1.13.4.6 National Grid Australia GP Pty Ltd | Priv. Ltd Co.                 | Australia                         | General Partner                                  
|1.2.1.13.4.7 National Grid Australia LLP        | Limited Liability Partnership | Australia                         | Holding Company                                  
|1.2.1.13.4.7.1 National Grid Australia Pty Ltd  | Priv. Ltd Co.                 | Australia                         | Holding Company                                  





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|                                             |               |                                 |                                       
|-------------------------------------------- | ------------- | ------------------------------- | --------------------------------------
|1.2.1.13.4.7.1.1 Basslink Pty Ltd.           | Priv. Ltd Co. | Australia                       | Developing Interconnector in Australia
|1.2.1.13.4.8 BritNed Development Ltd         | Priv. Ltd Co. | England & Wales                 | Interconnection Development           
|1.2.1.13.4.9 Network Mapping Limited         | Priv. Ltd Co. | England & Wales                 | Aerial Line Surveying                 
|1.2.1.14 National Grid One Ltd               | Priv. Ltd Co. | England & Wales                 | Investment Company                    
|1.2.1.15 EnMo Ltd                            | Priv. Ltd Co. | England & Wales                 | Gas Market Administrator              
|1.2.1.16 NGG Telecoms Holdings Ltd.          | Priv. Ltd Co. | England & Wales                 | Intermediate Holding Company          
|1.2.1.17 National Grid (Ireland) 1 Limited   | Priv. Ltd Co. | Luxembourg (Irish incorporated) | Intermediate Holding Company          
|1.2.1.17.1 National Grid (Ireland) 2 Limited | Priv. Ltd Co. | Luxembourg (Irish incorporated) | Intermediate Holding Company          
|1.2.1.17.1.1 National Grid Nine Ltd          | Priv. Ltd Co. | England & Wales                 | Investment Company                    
|1.3 NGG Finance plc                          | Plc           | England & Wales                 | Special Purpose Financing Company