##### 



Exhibit 8
 Company Name
    
    Registered Office address1
    
    ADVANTICA CORPORATE VENTURES LIMITED
    
    1 - 3 Strand, London, WC2N 5EH2
    
    ADVANTICA LIMITED
    
    1 - 3 Strand, London, WC2N 5EH3
    
    Advantica Pty Limited
    
    SUITE 18 , GREENWICH SQUARE, 130-134 PACIFIC HIGHWAY,
GREENWICH NSW, AUSTRALIA4
    
    ADVANTICA, INC.
    
    1170 HARRISBURG PIKE, CARLISLE, PA 170135
    
    AGL Systems International Limited
    
    1-3 Strand, London, WC2N 5EH6
    
    Aerial Group Limited
    
    1-3 Strand, London, WC2N 5EH7
    
    Aerial UK Limited
    
    1-3 Strand, London, WC2N 5EH8
    
    Ample Design Limited
    
    1-3 Strand, London, WC2N 5EH9
    
    ASSETHALL LIMITED
    
    1 - 3 Strand, London, WC2N 5EH10
    
    BEEGAS NOMINEES LIMITED
    
    1 - 3 Strand, London, WC2N 5EH11
    
    BLACKWATER A LIMITED
    
    1 - 3 Strand, London, WC2N 5EH12
    
    BLACKWATER B LIMITED
    
    1 - 3 Strand, London, WC2N 5EH13
    
    BLACKWATER C LIMITED
    
    1 - 3 Strand, London, WC2N 5EH14
    
    BLACKWATER D LIMITED
    
    1 - 3 Strand, London, WC2N 5EH15
    
    BLACKWATER E LIMITED
    
    1 - 3 Strand, London, WC2N 5EH16
    
    BLACKWATER H LIMITED
    
    1 - 3 Strand, London, WC2N 5EH17
    
    BLACKWATER J LIMITED
    
    1 - 3 Strand, London, WC2N 5EH18
    
    BRITISH TRANSCO CAPITAL, INC.
    
    CT CORPORATION, CORPORATION TRUST CENTER, 1209
ORANGE STREET, WILMINGTON, DELAWARE,19801, USA19
    
    BRITISH TRANSCO FINANCE (NO 1) LIMITED
    
    C/O MAPLES AND CALDER, UGLAND HOUSE,, SOUTH GEORGE
STREET, GEORGE TOWN, GRAND CAYMAN, P O BOX 309 GT,
CAYMAN ISLANDS20
    
    BRITISH TRANSCO FINANCE (NO 2) LIMITED
    
    C/O MAPLES AND CALDER, UGLAND HOUSE,, SOUTH GEORGE
STREET, GEORGE TOWN, GRAND CAYMAN, P O BOX 309 GT,
CAYMAN ISLANDS21
    
    BRITISH TRANSCO FINANCE (NO 3) LIMITED
    
    1 - 3 Strand, London, WC2N 5EH22
    
    BRITISH TRANSCO FINANCE (NO 5) LIMITED
    
    1 - 3 Strand, London, WC2N 5EH23
    
    BRITISH TRANSCO FINANCE, INC.
    
    CT CORPORATION, CORPORATION TRUST CENTER, 1209
ORANGE STREET, WILMINGTON, DELAWARE, 19801, USA24
    
    BRITISH TRANSCO INTERNATIONAL FINANCE BV
    
    SCHOUWBURGPLEIN 30-34, ROTTERDAM 3012 CL, THE
NETHERLANDS25
    
    Britned Development Limited
    
    1-3 Strand, London, WC2N 5EH26
    
    BSC CO Limited
    
    1-3 Strand, London, WC2N 5EH27
    
    C4Gas SAS
    
    Park Atrium, 11 Rue des Colonies, 1000 Brussels,
Belgium28
    
    COGSYS LIMITED
    
    1 - 3 Strand, London, WC2N 5EH29
    
    Connecticut Yankee Atomic Power Company
    
    362 Injun Hollow Road, East Hampton, CT 006424-3099,
United States30
    
    EASTLANDS (BENEFITS ADMINISTRATION) LIMITED
    
    1 - 3 Strand, London, WC2N 5EH31
    
    Elexon Limited
    
    4th Floor, 350 Euston Road, London, NW1 3AW32
    
    EUA Energy Investment Corporation
    
    25 Research Drive, Westborough MA 01582, United States




---



##### 



Company Name
    
    Registered Office address33
    
    EUA FRC II Energy Associates
    
    25 Research Drive, Westborough MA 01582, United States34
    
    FirstPoint Energy Corporation
    
    c/o The Company Corporation, 2711 Centerville Road, 
Suite 400, Wilmington, DE 19808, United States35
    
    FULCRUM CONNECTIONS (EMPLOYERS) LIMITED
    
    1 - 3 Strand, London, WC2N 5EH36
    
    FULCRUM CONNECTIONS LIMITED
    
    1 - 3 Strand, London, WC2N 5EH37
    
    FULCRUM GAS SERVICES LIMITED
    
    1 - 3 Strand, London, WC2N 5EH38
    
    FULCRUM INFRASTRUCTURE SERVICES LIMITED
    
    1 - 3 Strand, London, WC2N 5EH39
    
    FULCRUM PIPELINES LIMITED
    
    1 - 3 Strand, London, WC2N 5EH40
    
    Granite State Electric Company
    
    9 Lowell Road, Salem, New Hampshire, USA41
    
    GridAmerica Holdings Inc.
    
    2711 Centerville Road, Wilmington, Delaware, USA42
    
    Gridcom Limited
    
    1 - 3 Strand, London, WC2N 5EH43
    
    Holdco Participacoes Ltda
    
    Praia de Botafogo, No 300-50 Andar, Sala 1301
(parte), Rio de Janeiro, RJ, Brazil44
    
    Independent Towers of Vermont, LLC
    
    80 Central St., Boxborough, MA 0171945
    
    Intelig Telecomunicacoes Ltda
    
    Praia de Botafogo, No 370, Botafogo, Rio de Janeiro,
Brazil46
    
    INTEROTEX LIMITED
    
    Blackway House, Stretton Grandison, Ledbury,
Herefordshire, HR8 2UN47
    
    Inversiones ABC Limitada
    
    Avenida Del Condor 760, Huechuraba, Santiago, Chile48
    
    JOINT RADIO COMPANY LIMITED
    
    Unit 108 The Blackfriars Foundry, 156 Blackfriars
Road, London, SE1 8EN49
    
    JVCO Participacoes Ltda
    
    Praia de Botafogo, No 300-50 Andar, Sala 1301
(parte), Rio de Janeiro, RJ, Brazil50
    
    Land Management and Development, Inc
    
    300 Erie Boulevard West, Syracuse, New York, USA51
    
    LANDRANCH LIMITED
    
    1 - 3 Strand, London, WC2N 5EH52
    
    Landwest, Inc
    
    300 Erie Boulevard West, Syracuse, New York, USA53
    
    LATTICE ENERGY SERVICES LIMITED
    
    1 - 3 Strand, London, WC2N 5EH54
    
    LATTICE GROUP EMPLOYEE BENEFIT TRUST LIMITED
    
    1 - 3 Strand, London, WC2N 5EH55
    
    LATTICE GROUP INTERNATIONAL HOLDINGS LIMITED
    
    1 - 3 Strand, London, WC2N 5EH56
    
    LATTICE GROUP PLC
    
    1 - 3 Strand, London, WC2N 5EH57
    
    LATTICE GROUP TRUSTEES LIMITED
    
    1 - 3 Strand, London, WC2N 5EH58
    
    LATTICE GROUP US HOLDINGS, INC.
    
    1209 ORANGE STREET, WILMINGTON, DE1980159
    
    LATTICE INTELLECTUAL PROPERTY LIMITED
    
    1 - 3 Strand, London, WC2N 5EH60
    
    LATTICE OPSCO LIMITED
    
    1 - 3 Strand, London, WC2N 5EH61
    
    LATTICE TELECOM FINANCE (NO 1) LIMITED
    
    15 - 19 Athol Street, Douglas, Isle of Man, IM1 1LB62
    
    Lattice Telecommunications Asset Development
Company Limited
    
    1 - 3 Strand, London, WC2N 5EH63
    
    Maine Yankee Atomic Power Company
    
    Edison Drive, August, ME 04330, United States64
    
    MAINSTREAM FORTY-SEVEN LIMITED
    
    1 - 3 Strand, London, WC2N 5EH65
    
    Massachusetts Electric Company
    
    55 Bearfoot Road, Northborough MA 01532, United States66
    
    Melmar Limited
    
    Third Floor, St. Georges Court, Upper Church Street, 
Douglas, Isle of Man, IM1 1EE67
    
    Mercator Developments Limited
    
    1-3 Strand, London, WC2N 5EH68
    
    Metrowest Realty LLC
    
    The Corporation Trust Company, Corporation Trust
Center, 1209 Orange Street, Wilmington, Delaware, USA




---



##### 



Company Name
    
    Registered Office address69
    
    Nantucket Electric Company
    
    25 Research Drive, Westborough MA 01582, United States70
    
    Natgrid Finance Holdings Limited
    
    1-3 Strand, London, WC2N 5EH71
    
    Natgrid Finance Limited
    
    1-3 Strand, London, WC2N 5EH72
    
    Natgrid Investments Limited
    
    1-3 Strand, London, WC2N 5EH73
    
    NATGRID Limited
    
    1-3 Strand, London, WC2N 5EH74
    
    NatGrid One Limited
    
    1-3 Strand, London, WC2N 5EH75
    
    National Grid (IOM) UK Ltd
    
    2nd Floor, Sixty Circular Road, Douglas, Isle of Man,
IM1 1SA76
    
    National Grid (Ireland) 1 Limited
    
    25/28 North Wall Quay, Dublin 1, Republic of Ireland77
    
    National Grid (Ireland) 2 Limited
    
    25/28 North Wall Quay, Dublin 178
    
    National Grid (Southall) General Partner Limited
    
    1-3 Strand, London, WC2N 5EH79
    
    National Grid (Southall) LP Limited
    
    1-3 Strand, London, WC2N 5EH80
    
    National Grid (US) Holdings Limited
    
    1-3 Strand, London, WC2N 5EH81
    
    National Grid (US) Investments
    
    1-3 Strand, London, WC2N 5EH82
    
    National Grid (US) Investments 2
    
    1-3 Strand, London, WC2N 5EH83
    
    National Grid (US) Investments 3
    
    1-3 Strand, London, WC2N 5EH84
    
    National Grid (US) Investments 4 Limited
    
    1-3 Strand, London, WC2N 5EH85
    
    National Grid (US) Partner 1 Limited
    
    1-3 Strand, London, WC2N 5EH86
    
    National Grid (US) Partner 2 Limited
    
    1-3 Strand, London, WC2N 5EH87
    
    National Grid Australia Pty Limited
    
    Offices of Maples and Calder, Ugland House, PO Box
309, South Church Street, George Town, Grand Cayman,
Cayman Islands88
    
    National Grid Australia Pty Ltd
    
    Level 3, 410 Collins Street, Melbourne 3000, Australia89
    
    National Grid Brazil B.V.
    
    1-3 Strand, London, WC2N 5EH90
    
    National Grid Brazil Finance
    
    1-3 Strand, London, WC2N 5EH91
    
    National Grid Brazil Transmission B.V.
    
    Rokin 55, 1012 KK Amsterdam, Netherlands92
    
    National Grid Chile B.V.
    
    Rokin 55, 1012 KK Amsterdam, Netherlands93
    
    National Grid Commercial Holdings Limited
    
    1-3 Strand, London, WC2N 5EH94
    
    National Grid Communications, Inc.
    
    80 Central Street, Boxborough MA 01719, United States95
    
    National Grid Eight
    
    1-3 Strand, London, WC2N 5EH96
    
    National Grid Eighteen Limited
    
    1-3 Strand, London, WC2N 5EH97
    
    National Grid Electricity Transmission plc
    
    1-3 Strand, London, WC2N 5EH98
    
    National Grid Eleven
    
    1-3 Strand, London, WC2N 5EH99
    
    National Grid Fifteen Limited
    
    1-3 Strand, London, WC2N 5EH100
    
    National Grid Finance B.V.
    
    Rokin 55, 1012 KK Amsterdam, Netherlands101
    
    National Grid Five Limited
    
    1-3 Strand, London, WC2N 5EH102
    
    National Grid Four Limited
    
    1-3 Strand, London, WC2N 5EH103
    
    National Grid Fourteen Limited
    
    1-3 Strand, London, WC2N 5EH104
    
    NATIONAL GRID GAS FINANCE (NO 1) PLC
    
    1-3 Strand, London, WC2N 5EH105
    
    National Grid Gas Holdings plc
    
    1-3 Strand, London, WC2N 5EH106
    
    National Grid Gas plc
    
    1-3 Strand, London, WC2N 5EH107
    
    National Grid Gold Limited
    
    1-3 Strand, London, WC2N 5EH108
    
    National Grid Grain LNG Limited
    
    1-3 Strand, London, WC2N 5EH109
    
    National Grid Holdings B.V.
    
    Rokin 55, 1012 KK Amsterdam, Netherlands110
    
    National Grid Holdings Inc.
    
    Corporation Service Company, 2711 Centerville Road,
Suite 400, County of New Castle, City of Wilmington
DE 19808, United States111
    
    National Grid Holdings Limited
    
    1-3 Strand, London, WC2N 5EH112
    
    National Grid Holdings One plc
    
    1-3 Strand, London, WC2N 5EH113
    
    National Grid Holland Limited
    
    1-3 Strand, London, WC2N 5EH114
    
    National Grid India B.V.
    
    Rokin 55, 1012 KK Amsterdam, Netherlands




---



##### 



Company Name
    
    Registered Office address115
    
    National Grid Indus B.V.
    
    1-3 Strand, London, WC2N 5EH116
    
    NATIONAL GRID INSURANCE COMPANY
(IRELAND) LIMITED
    
    38/39 FITZWILLIAM SQUARE, DUBLIN 2,
REPUBLIC OF IRELAND117
    
    NATIONAL GRID INSURANCE COMPANY
(ISLE OF MAN) LIMITED
    
    Third Floor, Jubilee Buildings, Victoria Street,
Douglas, Isle of Man, IM1 2LR118
    
    National Grid Interconnectors Limited
    
    1-3 Strand, London, WC2N 5EH119
    
    National Grid International Limited
    
    1-3 Strand, London, WC2N 5EH120
    
    National Grid Ireland Three
    
    c/o A&L Goodbody Solicitors, 25/28 North Wall Quay,
Dublin 1, Ireland121
    
    National Grid Jersey Holdings Five Limited
    
    Whiteley Chambers, Don Street, St Helier, Jersey122
    
    National Grid Jersey Investments Limited
    
    Whiteley Chambers, Don Street,, St. Helier, , Jersey,
Channel Islands, JE4 9WG123
    
    National Grid Jersey Investments Two Limited
    
    Whiteley Chambers, Don Street,, St. Helier, , Jersey,
Channel Islands, JE4 9WG124
    
    National Grid Land and Properties Limited
    
    1-3 Strand, London, WC2N 5EH125
    
    National Grid Land Developments Limited
    
    1-3 Strand, London, WC2N 5EH126
    
    National Grid Land Investments Limited
    
    1-3 Strand, London, WC2N 5EH127
    
    National Grid Manquehue B.V.
    
    Rokin 55, 1012 KK Amsterdam, Netherlands128
    
    National Grid Metering Limited
    
    1-3 Strand, London, WC2N 5EH129
    
    National Grid Middle East FZCO
    
    Dubai Airport, Free Zone Authority, Dubai, United
Arab Emirates130
    
    National Grid Netherlands One B.V.
    
    1-3 Strand, London, WC2N 5EH131
    
    National Grid Netherlands Three B.V.
    
    1-3 Strand, London, WC2N 5EH132
    
    National Grid Netherlands Two B.V.
    
    1-3 Strand, London, WC2N 5EH133
    
    National Grid Nine Limited
    
    1-3 Strand, London, WC2N 5EH134
    
    National Grid Nineteen Limited
    
    1-3 Strand, London, WC2N 5EH135
    
    National Grid One Limited
    
    1-3 Strand, London, WC2N 5EH136
    
    National Grid Overseas Limited
    
    1-3 Strand, London, WC2N 5EH137
    
    National Grid Overseas Two Limited
    
    1-3 Strand, London, WC2N 5EH138
    
    National Grid Poland B.V.
    
    Rokin 55, 1012 KK Amsterdam, Netherlands139
    
    National Grid Procurement BV
    
    Rokin 55, 1012 KK Amsterdam, Netherlands140
    
    NATIONAL GRID PROPERTY (HIGH WYCOMBE) LIMITED
    
    1-3 Strand, London, WC2N 5EH141
    
    National Grid Property (Northampton) Limited
    
    1-3 Strand, London, WC2N 5EH142
    
    NATIONAL GRID PROPERTY (TAUNTON) LIMITED
    
    1-3 Strand, London, WC2N 5EH143
    
    NATIONAL GRID PROPERTY (WARWICK) LIMITED
    
    1-3 Strand, London, WC2N 5EH144
    
    National Grid Property Developments Limited
    
    1-3 Strand, London, WC2N 5EH145
    
    National Grid Property Holdings Limited
    
    1-3 Strand, London, WC2N 5EH146
    
    National Grid Property Limited
    
    1-3 Strand, London, WC2N 5EH147
    
    National Grid Property Nominees (No 1) Limited
    
    1-3 Strand, London, WC2N 5EH148
    
    National Grid Property Nominees (No 2) Limited
    
    1-3 Strand, London, WC2N 5EH149
    
    National Grid Property Regeneration Limited
    
    1-3 Strand, London, WC2N 5EH150
    
    National Grid Seven Limited
    
    1-3 Strand, London, WC2N 5EH151
    
    National Grid Seventeen Limited
    
    1-3 Strand, London, WC2N 5EH152
    
    National Grid Six Limited
    
    1-3 Strand, London, WC2N 5EH153
    
    National Grid Sixteen Limited
    
    1-3 Strand, London, WC2N 5EH154
    
    National Grid Telecoms Investment Limited
    
    1-3 Strand, London, WC2N 5EH155
    
    National Grid Ten
    
    1-3 Strand, London, WC2N 5EH156
    
    National Grid Three Limited
    
    1-3 Strand, London, WC2N 5EH157
    
    National Grid Transmission Services Corporation
    
    25 Research Drive, Westborough MA 01582, United States158
    
    National Grid Twelve Limited
    
    1-3 Strand, London, WC2N 5EH




---



##### 



Company Name
    
    Registered Office address159
    
    National Grid Twenty Limited
    
    1-3 Strand, London, WC2N 5EH160
    
    National Grid Twenty One Limited
    
    1-3 Strand, London, WC2N 5EH161
    
    National Grid Two Limited
    
    1-3 Strand, London, WC2N 5EH162
    
    National Grid UK Limited
    
    1-3 Strand, London, WC2N 5EH163
    
    National Grid US 6 LLC
    
    Corporation Service Company, 2711 Centerville Road, 
Suite 400, New Castle County, Wilmington DE 19808,
United States164
    
    National Grid US 7 Inc.
    
    25 Research Drive, Westborough MA 01582, United States165
    
    National Grid US LLC
    
    Corporation Service Company, 2711 Centerville Road,
Suite 400, Wilmington DE 19808, United States166
    
    National Grid US8 Inc.
    
    300 Erie Boulevard West, Syracuse, New York, USA167
    
    National Grid USA
    
    25 Research Drive, Westborough MA 01582, United States168
    
    National Grid USA Service Company, Inc.
    
    25 Research Drive, Westborough MA 01582, United States169
    
    National Grid Wireless Aerial Sites plc
    
    1-3 Strand, London, WC2N 5EH170
    
    National Grid Wireless Finance plc
    
    1-3 Strand, London, WC2N 5EH171
    
    National Grid Wireless Holdings, Inc.
    
    80 Central Street, Boxborough MA 01719, United States172
    
    National Grid Wireless Holdings Limited
    
    1-3 Strand, London, WC2N 5EH173
    
    National Grid Wireless Limited
    
    1-3 Strand, London, WC2N 5EH174
    
    National Grid Wireless No 2 Limited
    
    1-3 Strand, London, WC2N 5EH175
    
    National Grid Wireless No 3 Limited
    
    1-3 Strand, London, WC2N 5EH176
    
    National Grid Wireless No 4 Limited
    
    1-3 Strand, London, WC2N 5EH177
    
    National Grid Wireless Pension Trust Limited
    
    1-3 Strand, London, WC2N 5EH178
    
    National Grid Wireless Services, Inc.
    
    80 Central Street, Boxborough MA 01719, United States179
    
    National Grid Zambia Limited
    
    1-3 Strand, London, WC2N 5EH180
    
    NEES Communications, Inc.
    
    80 Central Street, Boxborough MA 01719, United States181
    
    NEES Energy, Inc.
    
    25 Research Drive, Westborough MA 01582, United States182
    
    NetMap Limited
    
    1-3 Strand, London, WC2N 5EH183
    
    Network Mapping Limited
    
    1-3 Strand, London, WC2N 5EH184
    
    New England Electric Transmission Corporation
    
    9 Lowell Road, Salem, New Hampshire, USA185
    
    New England Energy Incorporated
    
    25 Research Drive, Westborough MA 01582, United States186
    
    New England Hydro Finance Company, Inc.
    
    25 Research Drive, Westborough MA 01582, United States187
    
    New England Hydro-Transmission Corporation
    
    9 Lowell Road, Salem, New Hampshire, USA188
    
    New England Hydro-Transmission Electric
Company, Inc.
    
    25 Research Drive, Westborough MA 01582, United States189
    
    New England Power Company
    
    25 Research Drive, Westborough MA 01582, United States190
    
    New England Wholesale Electric Company
    
    25 Research Drive, Westborough MA 01582, United States191
    
    NEWHC, Inc.
    
    25 Research Drive, Westborough MA 01582, United States192
    
    Newport America Corporation
    
    280 Melrose Street, Providence, Rhode Island, 02907,
USA193
    
    NG Australia GP Pty Ltd
    
    Level 3, 410 Collins Street, Melbourne 3000, Australia194
    
    NG Australia LLP
    
    Level 3, 410 Collins Street, Melbourne 3000, Australia




---



##### 



Company Name
    
    Registered Office address195
    
    NG Chicago I LLC
    
    c/o Corporation Service Company, 2711 Centerville
Road, Suite 400, Wilmington, DE 19808196
    
    NG Chicago II, LLC
    
    c/o Corporation Service Company, 2711 Centerville
Road,Suite 400, Wilmington, DE 19808197
    
    NG Jersey Limited
    
    Whiteley Chambers, Don Street, St. Helier, Jersey,
JE4 9WG198
    
    NG Leasing Limited
    
    1-3 Strand, London, WC2N 5EH199
    
    NG Luxembourg 3 Sarl
    
    2 rue J Hackin, L - 1746 Luxembourg, Luxembourg200
    
    NG Luxembourg 4 Sarl
    
    2 rue J Hackin, L - 1746 Luxembourg, Luxembourg201
    
    NG Luxembourg 5 Sarl
    
    2 rue J Hackin, L - 1746 Luxembourg, Luxembourg202
    
    NG Luxembourg General Partnership
    
    RL&F Service Corp., One Rodney Square, Tenth Floor,
Tenth and King Streets, Wilmington, New Castle
County, Delaware, 19801203
    
    NG LUXEMBOURG HOLDINGS LIMITED
    
    1-3 Strand, London, WC2N 5EH204
    
    NG LUXEMBOURG SA
    
    2 rue J Hackin, L - 1746 Luxembourg, Luxembourg205
    
    NG Luxembourg Two S.A.R.L
    
    46A Avenue J.-F Kennedy, Luxembourg, L-1855206
    
    NG Nominees Limited
    
    1-3 Strand, London, WC2N 5EH207
    
    NG Procurement Holdings Limited
    
    1-3 Strand, London, WC2N 5EH208
    
    NGC do Brasil Participacoes Ltda
    
    Av. Rio Branco No. 1, Room 1608, Rio de Janeiro RJ,
Brazil209
    
    NGC Employee Shares Trustee Limited
    
    1-3 Strand, London, WC2N 5EH210
    
    NGC Indus Limited
    
    1-3 Strand, London, WC2N 5EH211
    
    NGC Two Limited
    
    1-3 Strand, London, WC2N 5EH212
    
    NGC Zambia Limited
    
    1-3 Strand, London, WC2N 5EH213
    
    NGET FINANCE (NO 1) PLC
    
    1-3 Strand, London, WC2N 5EH214
    
    NGG (Delaware) LLC
    
    Corporation Service Company, 2711 Centerville Road,
Suite 400, Wilmington DE 19808, United States215
    
    NGG FINANCE (NO 1) LIMITED
    
    1-3 Strand, London, WC2N 5EH216
    
    NGG Finance plc
    
    1-3 Strand, London, WC2N 5EH217
    
    NGG Limited
    
    1-3 Strand, London, WC2N 5EH218
    
    NGG Telecoms Holdings Limited
    
    1-3 Strand, London, WC2N 5EH219
    
    NGG Telecoms Limited
    
    1-3 Strand, London, WC2N 5EH220
    
    NGM1 (GBR) Limited
    
    Line Wall Road, Gibraltar221
    
    NGT Five Limited
    
    C/O MAPLES AND CALDER, UGLAND HOUSE,, SOUTH GEORGE
STREET, GEORGE TOWN, GRAND CAYMAN, P O BOX 309 GT,
CAYMAN ISLANDS222
    
    NGT Four Limited
    
    C/O M & C Corporate Services, PO Box 309GT, Ugland
house, South Church Street, Grand Cayman, Cayman
Islands, Cayman Islands223
    
    NGT HOLDING COMPANY (ISLE OF MAN) LIMITED
    
    3rd Floor, St Georges Court, Upper Church Street,
Douglas, IM1 1EE, Isle of Man224
    
    NGT INTELLECTUAL PROPERTY LIMITED
    
    1-3 Strand, London, WC2N 5EH225
    
    NGT LUXEMBOURG ONE LIMITED
    
    1-3 Strand, London, WC2N 5EH226
    
    NGT ONE LIMITED
    
    1-3 Strand, London, WC2N 5EH227
    
    NGT TELECOM NO.1 LIMITED
    
    1-3 Strand, London, WC2N 5EH228
    
    NGT TELECOM NO.2 LIMITED
    
    1-3 Strand, London, WC2N 5EH229
    
    NGT Three
    
    1-3 Strand, London, WC2N 5EH230
    
    NGT Two Limited
    
    1-3 Strand, London, WC2N 5EH231
    
    Niagara Mohawk Energy, Inc.
    
    Corporation Service Company, 84 State Street, Boston
MA 02109, United States232
    
    Niagara Mohawk Holdings, Inc.
    
    300 Erie Boulevard West, Syracuse, New York, USA233
    
    Niagara Mohawk Power Corporation
    
    300 Erie Boulevard West, Syracuse, New York, USA




---



##### 



Company Name
    
    Registered Office address234
    
    NM Properties, Inc.
    
    Secretary of State, 41 State Street, Albany, NY,
12231-0001, USA235
    
    NM Uranium, Inc.
    
    300 Erie Boulevard West, Syracuse, New York, USA236
    
    ONSTREAM METERING SERVICES LIMITED
    
    1-3 Strand, London, WC2N 5EH237
    
    Opinac Energy Corporation
    
    Bennett Jones LLP, One First Canadian Place, Suite
3400, P.O. Box 130, Toronton ON M5X 1A4, Canada238
    
    Opinac North America, Inc.
    
    300 Erie Boulevard West, Syracuse, New York, USA239
    
    Patience Realty Corp.
    
    280 Melrose Street, Providence, Rhode Island, 02907,
USA240
    
    PORT GREENWICH LIMITED
    
    1-3 Strand, London, WC2N 5EH241
    
    Prudence Corporation
    
    280 Melrose Street, Providence, Rhode Island, 02907,
USA242
    
    RISX ENVIRONMENTAL MANAGEMENT LIMITED
    
    6 West Craibstone Street, Aberdeen, Aberdeenshire,
AB11 6DL243
    
    RISX LIMITED
    
    6 West Craibstone Street, Aberdeen, Aberdeenshire,
AB11 6DL244
    
    Riverview, Inc
    
    300 Erie Boulevard West, Syracuse, New York, USA245
    
    SCC Uno S.A.
    
    11th Floor, Avenida Vitacura 4380, Santiago, Chile246
    
    Silver Bow Communications II, Inc.
    
    80 Central St., Boxborough, MA 01719247
    
    SOFRER SA
    
    1 Place de la Boule, 92024 Nanterre, France248
    
    SSE TRANSCO LIMITED
    
    1-3 Strand, London, WC2N 5EH249
    
    SST GmbH
    
    c/o Paul Thomas, Ernsberger, StraBe 5a, 81241 Munich,
Germany250
    
    SST TOWERS COMMUNICATIONS SAS
    
    4 Rue Marivaux, 75002 Paris, France251
    
    STARGAS NOMINEES LIMITED
    
    1-3 Strand, London, WC2N 5EH252
    
    STC International Holdings Limited
    
    1-3 Strand, London, WC2N 5EH253
    
    STONER ASSOCIATES EUROPE LIMITED
    
    1-3 Strand, London, WC2N 5EH254
    
    Supergrid Energy Transmission Limited
    
    1-3 Strand, London, WC2N 5EH255
    
    Supergrid Limited
    
    1-3 Strand, London, WC2N 5EH256
    
    TELECOM INTERNATIONAL HOLDINGS LIMITED
    
    1-3 Strand, London, WC2N 5EH257
    
    Telink Limited
    
    1-3 Strand, London, WC2N 5EH258
    
    Terracom Design & Development Limited
    
    1-3 Strand, London, WC2N 5EH259
    
    Terracom Estates Limited
    
    1-3 Strand, London, WC2N 5EH260
    
    The Electricity Transmission Company Limited
    
    1-3 Strand, London, WC2N 5EH261
    
    The Narragansett Electric Company
    
    280 Melrose Street, Providence, Rhode Island, 02907,
USA262
    
    The National Grid Group Quest Trustee Company
Limited
    
    1-3 Strand, London, WC2N 5EH263
    
    The National Grid Investments Company
    
    1-3 Strand, London, WC2N 5EH264
    
    Transco Limited
    
    1-3 Strand, London, WC2N 5EH265
    
    Triscape Planning Limited
    
    1-3 Strand, London, WC2N 5EH266
    
    Upper Hudson Development Inc
    
    300 Erie Boulevard West, Syracuse, New York, USA267
    
    UTILITY METERING SERVICES LIMITED
    
    1-3 Strand, London, WC2N 5EH268
    
    Valley Appliance and Merchandising Company
    
    280 Melrose Street, Providence, Rhode Island, 02907,
USA269
    
    Wayfinder Group, Inc.
    
    25 Research Drive, Westborough MA 01582, United States270
    
    XOSERVE LIMITED
    
    1-3 Strand, London, WC2N 5EH271
    
    Yankee Atomic Electric Company
    
    19 Midstate Drive, Suite 200, Auburn, MA 01501,
United States