Country ofName
    
    Incorporation1.
    
    65 WILLIS LANE, INC.
    
    USA2.
    
    ALBERTA NORTHEAST GAS LTD (35.7%)
    
    Canada3.
    
    ASSETHALL LIMITED
    
    England & Wales4.
    
    BEEGAS NOMINEES LIMITED
    
    England & Wales5.
    
    BIRCH SITES LIMITED
    
    England & Wales6.
    
    BLACKWATER A LIMITED
    
    England & Wales7.
    
    BLACKWATER B LIMITED
    
    England & Wales8.
    
    BLACKWATER C LIMITED
    
    England & Wales9.
    
    BLACKWATER D LIMITED
    
    England & Wales10.
    
    BLACKWATER E LIMITED
    
    England & Wales11.
    
    BLACKWATER H LIMITED
    
    England & Wales12.
    
    BLACKWATER J LIMITED
    
    England & Wales13.
    
    BLUE-NG (HOLDINGS) LIMITED (50%)
    
    England & Wales14.
    
    BLUE-NG LIMITED (via Blue-NG Holdings Ltd (a joint venture
with 20C Ltd) in which National Grid Blue Power Ltd holds 50%)
    
    England & Wales15.
    
    BOSTON GAS COMPANY (incl Essex Gas Company)
    
    USA16.
    
    BRITISH TRANSCO CAPITAL INC
    
    USA17.
    
    BRITISH TRANSCO FINANCE (NO 1) LIMITED
    
    Cayman Islands18.
    
    BRITISH TRANSCO FINANCE (NO 2) LIMITED
    
    Cayman Islands19.
    
    BRITISH TRANSCO FINANCE (NO 3) LIMITED
    
    England & Wales20.
    
    BRITISH TRANSCO FINANCE (NO 5) LIMITED
    
    England & Wales21.
    
    BRITISH TRANSCO FINANCE INC
    
    USA22.
    
    BRITISH TRANSCO INTERNATIONAL FINANCE BV
    
    The Netherlands23.
    
    BRITNED DEVELOPMENT LIMITED (50%)
    
    England & Wales24.
    
    BROKEN BRIDGE CORP.
    
    USA25.
    
    C4GAS SAS (47.5%)
    
    France26.
    
    COLONIAL GAS COMPANY
    
    USA27.
    
    CONNECTICUT YANKEE ATOMIC POWER COMPANY (19.5%)
    
    USA28.
    
    CORESO SA (22.485%%)
    
    Belgium29.
    
    DIRECT GLOBAL POWER, INC. (26%)
    
    USA30.
    
    EASTERN ASSOCIATED SECURITIES CORP.
    
    USA31.
    
    EASTERN RIVERMOOR COMPANY, INC.
    
    USA32.
    
    ELEXON LIMITED
    
    England & Wales33.
    
    ENERGIS PLC (33.06%)
    
    England & Wales34.
    
    ENERGYNORTH NATURAL GAS, INC.
    
    USA35.
    
    EUA ENERGY INVESTMENT CORPORATION
    
    USA36.
    
    EUA FRC II ENERGY ASSOCIATES
    
    USA37.
    
    EVIONYX, INC. (16%)
    
    USA38.
    
    GRANITE STATE ELECTRIC COMPANY
    
    USA39.
    
    GRIDAMERICA HOLDINGS INC
    
    USA40.
    
    GRIDCOM LIMITED
    
    England & Wales41.
    
    INVERSIONES ABC LTDA (98.84%)
    
    Chile42.
    
    IROQUOIS GAS TRANSMISSION SYSTEM, L.P. (20.4%)
    
    USA43.
    
    IROQUOIS PIPELINE OPERATING COMPANY (effectively 20.4% via
Iroquois Gas Transmission System, L.P. 100% ownership)
    
    USA44.
    
    ISLAND ENERGY SERVICES COMPANY, INC.
    
    USA45.
    
    ISLANDER EAST PIPELINE COMPANY, LLC (50%)
    
    USA46.
    
    JOINT RADIO COMPANY LIMITED (50%)
    
    England & Wales47.
    
    KEYSPAN (U.K.)
    
    England & Wales48.
    
    KEYSPAN C.I. II, LTD
    
    Cayman Islands49.
    
    KEYSPAN C.I., LTD
    
    Cayman Islands50.
    
    KEYSPAN CI MIDSTREAM LIMITED
    
    USA51.
    
    KEYSPAN CORPORATION
    
    USA52.
    
    KEYSPAN ENERGY CORPORATION
    
    USA53.
    
    KEYSPAN ENERGY DEVELOPMENT CO.
    
    USA54.
    
    KEYSPAN ENERGY SERVICES INC.
    
    USA55.
    
    KEYSPAN ENERGY SERVICES NEW JERSEY, LLC
    
    USA56.
    
    KEYSPAN GAS EAST CORPORATION
    
    USA57.
    
    KEYSPAN INTERNATIONAL CORPORATION
    
    USA58.
    
    KEYSPAN LUXEMBOURG S.A.R.L.
    
    Luxembourg59.
    
    KEYSPAN MHK, INC.
    
    USA60.
    
    KEYSPAN MIDSTREAM INC.
    
    USA61.
    
    KEYSPAN PLUMBING & HEATING SOLUTIONS, LLC (90%)
    
    USA62.
    
    KEYSPAN PLUMBING SOLUTIONS, INC.
    
    USA63.
    
    KSI CONTRACTING, LLC
    
    USA64.
    
    KSI ELECTRICAL, LLC
    
    USA65.
    
    KSI MECHANICAL, LLC
    
    USA66.
    
    LAND MANAGEMENT AND DEVELOPMENT, INC
    
    USA67.
    
    LANDRANCH LIMITED
    
    England & Wales




---



##### 



Country ofName
    
    Incorporation68.
    
    LANDWEST, INC
    
    USA69.
    
    LATTICE ENERGY SERVICES LIMITED
    
    England & Wales70.
    
    LATTICE GROUP EMPLOYEE BENEFIT TRUST LIMITED
    
    England & Wales71.
    
    LATTICE GROUP INTERNATIONAL HOLDINGS LIMITED
    
    England & Wales72.
    
    LATTICE GROUP PLC
    
    England & Wales73.
    
    LATTICE GROUP TRUSTEES LIMITED
    
    England & Wales74.
    
    LATTICE OPSCO LIMITED
    
    England & Wales75.
    
    LATTICE TELECOM FINANCE (NO 1) LIMITED
    
    Isle of Man76.
    
    MAINE YANKEE ATOMIC POWER COMPANY (24%)
    
    USA77.
    
    MAINSTREAM FORTY-SEVEN LIMITED
    
    England & Wales78.
    
    MARQUEZ DEVELOPMENT CORP.
    
    USA79.
    
    MASSACHUSETTS ELECTRIC COMPANY
    
    USA80.
    
    MEERESTEIJN FINANCE BV
    
    Netherlands81.
    
    MELMAR LIMITED
    
    Isle of Man82.
    
    METRO ENERGY, L.L.C.
    
    USA83.
    
    METROWEST REALTY LLC
    
    USA84.
    
    MILLENNIUM PIPELINE COMPANY, LLC (26.25%)
    
    USA85.
    
    MYHOMEGATE, INC.
    
    USA86.
    
    MYHOMEKEY.COM, INC. (18.2%)
    
    USA87.
    
    MYSTIC STEAMSHIP CORPORATION
    
    USA88.
    
    NANTUCKET ELECTRIC COMPANY
    
    USA89.
    
    NATGRID FINANCE HOLDINGS LIMITED
    
    England & Wales90.
    
    NATGRID FINANCE LIMITED
    
    England & Wales91.
    
    NATGRID INVESTMENTS LIMITED
    
    England & Wales92.
    
    NATGRID LIMITED
    
    England & Wales93.
    
    NATGRID ONE LIMITED
    
    England & Wales94.
    
    NATIONAL GRID (IOM) UK LTD
    
    Isle of Man95.
    
    NATIONAL GRID (IRELAND) 1 LIMITED
    
    Republic of Ireland96.
    
    NATIONAL GRID (IRELAND) 2 LIMITED
    
    Republic of Ireland97.
    
    NATIONAL GRID (SOUTHALL) GENERAL PARTNER LIMITED
    
    England & Wales98.
    
    NATIONAL GRID (SOUTHALL) LP LIMITED
    
    England & Wales99.
    
    NATIONAL GRID (US) HOLDINGS LIMITED
    
    England & Wales100.
    
    NATIONAL GRID (US) INVESTMENTS
    
    England & Wales101.
    
    NATIONAL GRID (US) INVESTMENTS 2 LIMITED
    
    England & Wales102.
    
    NATIONAL GRID (US) INVESTMENTS 3
    
    England & Wales103.
    
    NATIONAL GRID (US) INVESTMENTS 4 LIMITED
    
    England & Wales104.
    
    NATIONAL GRID (US) PARTNER 1 LIMITED
    
    England & Wales105.
    
    NATIONAL GRID (US) PARTNER 2 LIMITED
    
    England & Wales106.
    
    NATIONAL GRID AUSTRALIA PTY LIMITED
    
    Australia107.
    
    NATIONAL GRID BLUE POWER FINANCE LIMITED
    
    England & Wales108.
    
    NATIONAL GRID BLUE POWER LIMITED
    
    England & Wales109.
    
    NATIONAL GRID BRAZIL B.V.
    
    The Netherlands110.
    
    NATIONAL GRID BRAZIL FINANCE
    
    England & Wales111.
    
    NATIONAL GRID BRAZIL TRANSMISSION B.V.
    
    The Netherlands112.
    
    NATIONAL GRID CARBON LIMITED
    
    England & Wales113.
    
    NATIONAL GRID CHILE B.V.
    
    The Netherlands114.
    
    NATIONAL GRID COMMERCIAL HOLDINGS LIMITED
    
    England & Wales115.
    
    NATIONAL GRID CORPORATE SERVICES LLC
    
    USA116.
    
    NATIONAL GRID DEVELOPMENT HOLDINGS CORP.
    
    USA117.
    
    NATIONAL GRID EIGHT
    
    England & Wales118.
    
    NATIONAL GRID EIGHTEEN LIMITED
    
    England & Wales119.
    
    NATIONAL GRID ELECTRIC SERVICES LLC
    
    USA120.
    
    NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    
    England & Wales121.
    
    NATIONAL GRID ELEVEN
    
    England & Wales122.
    
    NATIONAL GRID ENERGY MANAGEMENT, LLC
    
    USA123.
    
    NATIONAL GRID ENERGY SERVICES, LLC
    
    USA124.
    
    NATIONAL GRID ENERGY SUPPLY, LLC
    
    USA125.
    
    NATIONAL GRID ENERGY TRADING SERVICES LLC
    
    USA126.
    
    NATIONAL GRID ENGINEERING & SURVEY INC.
    
    USA127.
    
    NATIONAL GRID EXPLORATION AND PRODUCTION, LLC
    
    USA128.
    
    NATIONAL GRID FIFTEEN LIMITED
    
    England & Wales129.
    
    NATIONAL GRID FINANCE B.V.
    
    The Netherlands130.
    
    NATIONAL GRID FIVE LIMITED
    
    England & Wales131.
    
    NATIONAL GRID FOUR LIMITED
    
    England & Wales




---



##### 



Country ofName
    
    Incorporation132.
    
    NATIONAL GRID FOURTEEN LIMITED
    
    England & Wales133.
    
    NATIONAL GRID GAS FINANCE (NO 1) PLC
    
    England & Wales134.
    
    NATIONAL GRID GAS HOLDINGS LIMITED
    
    England & Wales135.
    
    NATIONAL GRID GAS PLC
    
    England & Wales136.
    
    NATIONAL GRID GENERATION LLC
    
    USA137.
    
    NATIONAL GRID GLENWOOD ENERGY CENTER, LLC
    
    USA138.
    
    NATIONAL GRID GOLD LIMITED
    
    England & Wales139.
    
    NATIONAL GRID GRAIN LNG LIMITED
    
    England & Wales140.
    
    NATIONAL GRID HOLDINGS B.V.
    
    The Netherlands141.
    
    NATIONAL GRID HOLDINGS INC.
    
    USA142.
    
    NATIONAL GRID HOLDINGS LIMITED
    
    England & Wales143.
    
    NATIONAL GRID HOLDINGS ONE PLC
    
    England & Wales144.
    
    NATIONAL GRID HOLDINGS PTY LIMITED
    
    Australia145.
    
    NATIONAL GRID IGTS CORP.
    
    USA146.
    
    NATIONAL GRID INDIA B.V.
    
    The Netherlands147.
    
    NATIONAL GRID INDUS B.V.
    
    The Netherlands148.
    
    NATIONAL GRID INSURANCE COMPANY (IRELAND) LIMITED
    
    Republic of Ireland149.
    
    NATIONAL GRID INSURANCE COMPANY (ISLE OF MAN) LIMITED
    
    Isle of Man150.
    
    NATIONAL GRID INSURANCE COMPANY (VERMONT)
    
    USA151.
    
    NATIONAL GRID INTERCONNECTORS LIMITED
    
    England & Wales152.
    
    NATIONAL GRID INTERNATIONAL LIMITED
    
    England & Wales153.
    
    NATIONAL GRID ISLANDER EAST PIPELINE LLC
    
    USA154.
    
    NATIONAL GRID JERSEY HOLDINGS FIVE LIMITED
    
    Jersey155.
    
    NATIONAL GRID JERSEY INVESTMENTS LIMITED
    
    Jersey156.
    
    NATIONAL GRID JERSEY INVESTMENTS THREE LIMITED
    
    Jersey157.
    
    NATIONAL GRID LAND AND PROPERTIES LIMITED
    
    England & Wales158.
    
    NATIONAL GRID LAND DEVELOPMENTS LIMITED
    
    England & Wales159.
    
    NATIONAL GRID LAND INVESTMENTS LIMITED
    
    England & Wales160.
    
    NATIONAL GRID LNG GP LLC
    
    USA161.
    
    NATIONAL GRID LNG LP
    
    USA162.
    
    NATIONAL GRID LNG LP LLC
    
    USA163.
    
    NATIONAL GRID (LUX) INVESTMENTS LIMITED
    
    England & Wales164.
    
    NATIONAL GRID MANQUEHUE B.V.
    
    The Netherlands165.
    
    NATIONAL GRID METERING LIMITED
    
    England & Wales166.
    
    NATIONAL GRID MIDDLE EAST FZCO
    
    United Arab Emirates167.
    
    NATIONAL GRID MILLENNIUM LLC
    
    USA168.
    
    NATIONAL GRID NE HOLDINGS 2 LLC
    
    USA169.
    
    NATIONAL GRID NETHERLANDS ONE BV
    
    The Netherlands170.
    
    NATIONAL GRID NETHERLANDS THREE BV
    
    The Netherlands171.
    
    NATIONAL GRID NETHERLANDS TWO BV
    
    The Netherlands172.
    
    NATIONAL GRID NINE LIMITED
    
    England & Wales173.
    
    NATIONAL GRID NINETEEN LIMITED
    
    England & Wales174.
    
    NATIONAL GRID NORTH EAST VENTURES INC
    
    USA175.
    
    NATIONAL GRID OFFSHORE LTD
    
    England & Wales176.
    
    NATIONAL GRID ONE LIMITED
    
    England & Wales177.
    
    NATIONAL GRID OVERSEAS LIMITED
    
    England & Wales178.
    
    NATIONAL GRID OVERSEAS TWO LIMITED
    
    England & Wales179.
    
    NATIONAL GRID PLC
    
    England & Wales180.
    
    NATIONAL GRID POLAND B.V.
    
    The Netherlands181.
    
    NATIONAL GRID PORT JEFFERSON ENERGY CENTER, LLC
    
    USA182.
    
    NATIONAL GRID PROCUREMENT BV
    
    The Netherlands183.
    
    NATIONAL GRID PROPERTY (HIGH WYCOMBE) LIMITED
    
    England & Wales184.
    
    NATIONAL GRID PROPERTY (NORTHAMPTON) LIMITED
    
    England & Wales185.
    
    NATIONAL GRID PROPERTY (TAUNTON) LIMITED
    
    England & Wales186.
    
    NATIONAL GRID PROPERTY (WARWICK) LIMITED
    
    England & Wales187.
    
    NATIONAL GRID PROPERTY DEVELOPMENTS LIMITED
    
    England & Wales188.
    
    NATIONAL GRID PROPERTY HOLDINGS LIMITED
    
    England & Wales189.
    
    NATIONAL GRID PROPERTY LIMITED
    
    England & Wales190.
    
    NATIONAL GRID PROPERTY (NORTHFLEET) LIMITED
    
    England & Wales191.
    
    NATIONAL GRID SERVICES, INC.
    
    USA192.
    
    NATIONAL GRID SEVEN LIMITED
    
    England & Wales193.
    
    NATIONAL GRID SEVENTEEN LIMITED
    
    England & Wales194.
    
    NATIONAL GRID SIX LIMITED
    
    England & Wales195.
    
    NATIONAL GRID SIXTEEN LIMITED
    
    England & Wales196.
    
    NATIONAL GRID TECHNOLOGIES INC.
    
    USA197.
    
    NATIONAL GRID TELEMETRY SOLUTIONS, LLC
    
    USA198.
    
    NATIONAL GRID TEN
    
    England & Wales199.
    
    NATIONAL GRID THREE LIMITED
    
    England & Wales




---



##### 



Country ofName
    
    Incorporation200.
    
    NATIONAL GRID TRANSMISSION SERVICES CORPORATION
    
    USA201.
    
    NATIONAL GRID TWELVE LIMITED
    
    England & Wales202.
    
    NATIONAL GRID TWENTY-FIVE LIMITED
    
    England & Wales203.
    
    NATIONAL GRID TWENTY FOUR LIMITED
    
    England & Wales204.
    
    NATIONAL GRID TWENTY LIMITED
    
    England & Wales205.
    
    NATIONAL GRID TWENTY ONE LIMITED
    
    England & Wales206.
    
    NATIONAL GRID TWENTY-SIX LIMITED
    
    England & Wales207.
    
    NATIONAL GRID TWENTY THREE LIMITED
    
    England & Wales208.
    
    NATIONAL GRID TWO LIMITED
    
    England & Wales209.
    
    NATIONAL GRID UK LIMITED
    
    England & Wales210.
    
    NATIONAL GRID UK PENSION SERVICES LIMITED
    
    England & Wales211.
    
    NATIONAL GRID US 6 LLC
    
    USA212.
    
    NATIONAL GRID US 7 INC.
    
    USA213.
    
    NATIONAL GRID US LLC
    
    USA214.
    
    NATIONAL GRID USA
    
    USA215.
    
    NATIONAL GRID USA SERVICE COMPANY, INC.
    
    USA216.
    
    NATIONAL GRID UTILITY SERVICES LLC
    
    USA217.
    
    NATIONAL GRID ZAMBIA LIMITED
    
    England & Wales218.
    
    NEES ENERGY, INC.
    
    USA219.
    
    NEW ENGLAND ELECTRIC TRANSMISSION CORPORATION
    
    USA220.
    
    NEW ENGLAND ENERGY INCORPORATED
    
    USA221.
    
    NEW ENGLAND HYDRO FINANCE COMPANY, INC. (53.704%)
    
    USA222.
    
    NEW ENGLAND HYDRO-TRANSMISSION CORPORATION (53.704%)
    
    USA223.
    
    NEW ENGLAND HYDRO-TRANSMISSION ELECTRIC COMPANY, INC. (53.704%)
    
    USA224.
    
    NEW ENGLAND POWER COMPANY
    
    USA225.
    
    NEW ENGLAND WHOLESALE ELECTRIC COMPANY
    
    USA226.
    
    NEWHC, INC.
    
    USA227.
    
    NEWPORT AMERICA CORPORATION
    
    USA228.
    
    NG CHICAGO I, LLC
    
    USA229.
    
    NG CHICAGO II, LLC
    
    USA230.
    
    NG FINANCING PARTNERSHIP 1
    
    Luxembourg231.
    
    NG FINANCING PARTNERSHIP 2
    
    Luxembourg232.
    
    NG JERSEY LIMITED
    
    Jersey233.
    
    NG LEASING LIMITED
    
    England & Wales234.
    
    NG LUXEMBOURG 3 SARL
    
    Luxembourg235.
    
    NG LUXEMBOURG 4 SARL
    
    Luxembourg236.
    
    NG LUXEMBOURG 5 SARL
    
    Luxembourg237.
    
    NG LUXEMBOURG 6 SARL
    
    Luxembourg238.
    
    NG LUXEMBOURG 7 SARL
    
    Luxembourg239.
    
    NG LUXEMBOURG HOLDINGS LIMITED
    
    England & Wales240.
    
    NG LUXEMBOURG SA
    
    Luxembourg241.
    
    NG LUXEMBOURG TWO SARL
    
    Luxembourg242.
    
    NG NOMINEES LIMITED
    
    England & Wales243.
    
    NG PROCUREMENT HOLDINGS LIMITED
    
    England & Wales244.
    
    NG VILLIERS LIMITED PARTNERSHIP
    
    England & Wales245.
    
    NGC DO BRASIL PARTICIPACOES LTDA
    
    Brazil246.
    
    NGC EMPLOYEE SHARES TRUSTEE LIMITED
    
    England & Wales247.
    
    NGC INDUS LIMITED
    
    England & Wales248.
    
    NGC TWO LIMITED
    
    England & Wales249.
    
    NGC ZAMBIA LIMITED
    
    England & Wales250.
    
    NGET / SPT UPGRADES LTD (50%)
    
    England & Wales251.
    
    NGG (DELAWARE) LLC
    
    USA252.
    
    NGG FINANCE (NO 1) LIMITED
    
    England & Wales253.
    
    NGG FINANCE PLC
    
    England & Wales254.
    
    NGG TELECOMS HOLDINGS LIMITED
    
    England & Wales255.
    
    NGG TELECOMS LIMITED
    
    England & Wales256.
    
    NGM1 (GBR) LIMITED
    
    Gibraltar257.
    
    NGNE LLC
    
    USA258.
    
    NGP(IM7S) LIMITED
    
    Isle of Man259.
    
    NGP(IM7S) SUB LIMITED
    
    England & Wales260.
    
    NGRID INTELLECTUAL PROPERTY LIMITED
    
    England & Wales261.
    
    NGT FIVE LIMITED
    
    Cayman Islands262.
    
    NGT FOUR LIMITED
    
    Cayman Islands263.
    
    NGT HOLDING COMPANY (ISLE OF MAN) LIMITED
    
    Isle of Man264.
    
    NGT LUXEMBOURG ONE LIMITED
    
    England & Wales265.
    
    NGT ONE LIMITED
    
    England & Wales




---



##### 



Country ofName
    
    Incorporation266.
    
    NGT TELECOM NO. 1 LIMITED
    
    England & Wales267.
    
    NGT TELECOM NO. 2 LIMITED
    
    England & Wales268.
    
    NGT THREE
    
    England & Wales269.
    
    NGT TWO LIMITED
    
    England & Wales270.
    
    NIAGARA MOHAWK ENERGY, INC.
    
    USA271.
    
    NIAGARA MOHAWK HOLDINGS, INC.
    
    USA272.
    
    NIAGARA MOHAWK POWER CORPORATION
    
    USA273.
    
    NICODAMA BEHEER V B.V.
    
    Netherlands274.
    
    NM PROPERTIES, INC.
    
    USA275.
    
    NM URANIUM, INC.
    
    USA276.
    
    NMP LIMITED
    
    England & Wales277.
    
    NORTH EAST TRANSMISSION CO., INC.
    
    USA278.
    
    NORTHEAST GAS MARKETS LLC (90%)
    
    USA279.
    
    ONSTREAM METERING SERVICES LIMITED
    
    England & Wales280.
    
    OPINAC NORTH AMERICA, INC.
    
    USA281.
    
    PATIENCE REALTY CORP.
    
    USA282.
    
    PCC LAND COMPANY, INC.
    
    USA283.
    
    PHILADELPHIA COKE CO., INC.
    
    USA284.
    
    PORT GREENWICH LIMITED
    
    England & Wales285.
    
    PORT OF THE ISLANDS NORTH LLC
    
    USA286.
    
    PRUDENCE CORPORATION
    
    USA287.
    
    SCC UNO SA
    
    Chile288.
    
    SECOND STREET ASSOCIATES, LLC (50%)
    
    USA289.
    
    SENECA UPSHUR PETROLEUM, INC.
    
    USA290.
    
    STARGAS NOMINEES LIMITED
    
    England & Wales291.
    
    SUPERGRID ENERGY TRANSMISSION LIMITED
    
    England & Wales292.
    
    SUPERGRID LIMITED
    
    England & Wales293.
    
    TELECOM INTERNATIONAL HOLDINGS LIMITED
    
    England & Wales294.
    
    THAMESPORT INTERCHANGE LIMITED
    
    England & Wales295.
    
    THE BROOKLYN UNION GAS COMPANY
    
    USA296.
    
    THE NARRAGANSETT ELECTRIC COMPANY
    
    USA297.
    
    THE NATIONAL GRID GROUP QUEST TRUSTEE COMPANY LTD
    
    England & Wales298.
    
    THE NATIONAL GRID INVESTMENTS COMPANY
    
    England & Wales299.
    
    TRANSCO LIMITED
    
    England & Wales300.
    
    TRANSGAS, INC.
    
    USA301.
    
    UNIT 40 SUBLESSOR LLC
    
    USA302.
    
    UPPER HUDSON DEVELOPMENT INC
    
    USA303.
    
    UTILITY METERING SERVICES LIMITED
    
    England & Wales304.
    
    VALLEY APPLIANCE AND MERCHANDISING COMPANY
    
    USA305.
    
    VILLIERS FINANCE SA (44%)
    
    Luxembourg306.
    
    WAYFINDER GROUP, INC.
    
    USA307.
    
    XOSERVE LIMITED (56.5%)
    
    England & Wales308.
    
    YANKEE ATOMIC ELECTRIC COMPANY (34.5%)
    
    USA