EXHIBIT 21
TEXAS UTILITIES COMPANY d/b/a TXU CORP
SUBSIDIARY HIERARCHY
March 16, 2000
State or Country
of Incorporation
TEXAS UTILITIES COMPANY d/b/a TXU Corp Texas
TXU Capital I Delaware
TXU Electric Company Texas
TXU Electric Capital I Delaware
TXU Electric Capital II Delaware
TXU Electric Capital III Delaware
TXU Electric Capital IV Delaware
TXU Electric Capital V Delaware
TXU Energy Industries Company Texas
TXU SESCO Company Texas
TXU Fuel Company Texas
TXU Mining Company Texas
TXU Communications Company Texas
TXU Communications Services Company Texas
TXU Communications Telecom Services Company Texas
TXU Communications Telephone Company Texas
TXU Communications Transport Company Texas
East Texas Fiber Line Incorporated (1) Texas
TXU Energy Services Company Texas
TXU Chilled Water Solutions Company Texas
TXU SEM Company Texas
TXU Business Services Company Texas
TXU Properties Company Texas
TXU Communications Holdings Company Delaware
Communications License Holdings I, Inc. Texas
Basic Resources Inc. Texas
Chaco Energy Company New Mexico
TXU Development Company Texas
EDC Catskill Cogeneration, Inc. Delaware
EDC Four Inc. (2) Delaware
EDC Northwest Cogeneration, Inc. Delaware
EDC Palakkad Power Ltd. Cayman Islands
Enserch Power One Private Limited (3) Mauritius
Enserch Power Two Private Limited (3) Mauritius
EDC Power Marketing, Inc. Texas
EDC Shaoxing Power Ltd. Cayman Islands
Zhejiang Yong-Ke Thermal Power
Corporation, Ltd. (4) China
EIL India, L.L.C. (5) Texas
Enserch India Private Limited (6) India
Ensat Northwest Cogeneration Company (7) Texas
Electron Fees, Inc. Texas
Enserch Development Corporation Hamakua, Inc. Texas
Enserch Development Corporation Hawaii, Inc. Texas
Enserch International Ltd. Cayman Islands
Enserch International Meishan Ltd. Cayman Islands
Enserch International Shenmu Ltd. Cayman Islands
National Pipeline Company Texas
Enserch de Mexico S.A. de C.V. (8) Mexico
Enserch de Monterrey S. A. de C. V. (9) Mexico
Compania Mexicana de Gas S.A. de C.V. (10) Mexico
Gas Automotores, S.A. de C.V. (11) Mexico
Gas Natural de Apodaca, S.A. de C.V. (11) Mexico
Gas Natural de Santa Cantarina, S.A.
de C.V. (11) Mexico
TXU International Services Company Texas
TXU Gas Company Texas
TXU Gas Distribution Company (an unincorporated
division)
TXU Lone Star Energy (an unincorporated division)
TXU Lone Star Pipeline (an unincorporated division)
TXU Processing Company Delaware
TXU Energy Trading Company Texas
Enserch Energy Services (Canada), Inc. Texas
TXU Energy Trading (California) Company Texas
TXU Energy Trading Canada Limited Alberta
Energetica de Mexcio, S.A. de C.V. (12) Mexico
Servicios de Energetica de Mexico, S.A. de C.V. (12) Mexico
ENS Holdings I, Inc. Texas
ENS Holdings II, Inc. Texas
TXU Vermont Insurance Company Vermont
ENSERCH E&C Holdings, Inc. Nevada
ENS Equipment Corporation Delaware
ENSERCH E&C, Inc. Nevada
ENS U.K. Limited (13) United Kingdom
ENS Limited (13) United Kingdom
Process Engineering International Ltd. (13) United Kingdom
Ebasco Cayman Limited Cayman Islands
Ebasco Energy A. G. Switzerland
Ebasco Services of Canada Limited Canada
Engineering International Liquidating Company, Inc. California
TXU Gas Capital I Delaware
Enserch Finance II, Inc. Texas
Enserch Finance N.V. Netherlands Antilles
TXU Gas Transmission Company Texas
Enserch House, Inc. Texas
Enserch International Investments Limited Delaware
Humphreys and Glasgow Limited United Kingdom
TXU Receivables Company Delaware
Fleet Star of Texas, L.C. (14) Texas
LS Energy, Inc. Texas
Lone Star Energy Services, Inc. Texas
Lone Star Gas Company of Texas, Inc. Texas
TRANSTAR Technologies L.C. Texas
TXU Finance (No. 2) Holdings, Inc. Delaware
TXU United Kingdom Holdings Company Delaware
TXU Finance (No. 1) Holdings Company Delaware
Lone Star Gas International, Inc. Texas
Lone Star Gas Chile S.A. de C.V. Republic of Chile
Servicio de Energia de Mexico, S.A. de C.V. (15) Mexico
Comercializadora Metrogas, S.A. de C.V. (16) Mexico
Administradora de Servicios de Energia de
Mexico, S.A. de C.V. Mexico
TXU International Holdings Limited (17) United Kingdom
TXU Finance (No. 3) Limited United Kingdom
TXU Europe Limited United Kingdom
TXU Eastern Finance (A) Limited United Kingdom
TXU Eastern Finance (B) Limited United Kingdom
TXU Eastern Funding Company (18) United Kingdom
TXU Finance (No. 2) Limited (19) United Kingdom
TXU Europe (Spanish Holdings) Limited United Kingdom
TXU Europe (Espana) S.L. Spain
TXU Acquisitions Limited United Kingdom
The Energy Group Limited United Kingdom
TXU Europe Group plc United Kingdom
Aspclear Limited United Kingdom
Eastern Group Share Scheme
Trustees Limited United Kingdom
F.W. Cook (Mechanical Services) Limited United Kingdom
Offshore Oil and Gas Development
Company Limited United Kingdom
Star Security (U.K.) Limited United Kingdom
Eastern Group Insurance Services Limited Isle of Man
Eastern Corporate Insurance Limited Isle of Man
TXU Europe Power Limited United Kingdom
Anglian Power Generators Limited United Kingdom
Eastern Generation CHP Limited United Kingdom
Citigen (London) Limited United Kingdom
Drakmarn Staff Limited United Kingdom
Eastern Generation Services Limited United Kingdom
Eastern Generation Research Limited United Kingdom
Eastern Merchant Generation Limited United Kingdom
Eastern Merchant Properties Limited United Kingdom
Peterborough Power Limited United Kingdom
Shotton Combined Heat and
Power Limited United Kingdom
Barking Power Limited (20) United Kingdom
Eastern Renewable Generation Limited United Kingdom
Eastern Gas Generation Maintenance
Limited United Kingdom
Nedalo B.V. Netherlands
Nedalo (UK) Limited (21) United Kingdom
Eastern Generation Poland Sp. z.o.o. Poland
Eastern Energy Sp. z.o.o. Poland
Eastern Power Sp. z.o.o. Poland
Zamosc Energy Company Sp. z o.o. (22) Poland
Compass Energy BV (23) The Netherlands
Lund Eastern Energi A.B. (24) Sweden
Nynashamns Energi (25) Sweden
Kraftringen A.B. (26) Sweden
Logicalform Limited United Kingdom
Hidroelectric del Cantabrico (27) Spain
Synergia Trading S.A. (28) Spain
Eastern Norge Kobbelv A.S. Norway
Eastern Norge Svartisen A.S. Norway
Web Energy Limited Mauritius
Lanco Kondapalli Power Limited (29) India
Web Power Limited Mauritius
Eastern Electricity plc United Kingdom
Eastern Energy Limited United Kingdom
Eastern Group Property Limited United Kingdom
Eastern Group Finance Limited United Kingdom
Eastern Leasing (4) Limited United Kingdom
Eastern Leasing (5) Limited United Kingdom
Eastern Private Network Management
Limited United Kingdom
TXU Europe Overseas Finance Limited United Kingdom
TXU Czech Investments Limited United Kingdom
Severomoravska Energetika (30) Czech Rep
Union Leasing A.S. (31) Czech Rep
Moravakosiezska Eleklromontaznl Czech Rep
Stredomoravska Eleklromontaznl Czech Rep
Beskydska Energeticka (32) Czech Rep
SINIT (33) Czech Rep
Terplarney Brno A.S. (34) Czech Rep
Energo Brno s.r.o. (35) Czech Rep
MS Elektro s.r.o. (36) Czech Rep
Stredlsko Likvidsoe Odpadu (37) Czech Rep
Teplene Rozvody s.r.o. (38) Czech Rep
TXU Finland Holdings Limited United Kingdom
Savon Voma Oy (39) Finland
Salml Volma Oy Finland
Picksamaen Energia Oy Finland
Volmatahll Finland
Kymppiovlma Oy Finland
TXU Nordic Energy Oy (40) Finland
Pohjolan Voima Oy (41) Finland
PVO Hulppuvoima Oy Finland
PVO Lampovolma Oy Finland
PVO Veslvolma Oy Finland
Fingrid Oy Finland
Mussalon Volma Oy Finland
Vellslluodon Volma Finland
Kemljarven Volma Oy Finland
Oulun Volma Oy Finland
Teolllsuuden Volma Oy (42) Finland
Oy Alholmes Kraft AB (43) Finland
Vasklluodon Volma Oy (44) Finland
Nokian Lampovolma Oy (45) Finland
Eastern Natural Gas Limited United Kingdom
Eastern Natural Gas (Retail) Limited United Kingdom
E Gas Limited United Kingdom
Eastern Gas Company Limited United Kingdom
TXU Europe Energy Trading Limited United Kingdom
TXU Europe (Ten) Limited United Kingdom
TXU Europe Natural Gas (Trading)
Limited United Kingdom
TXU Europe Energy Trading B.V. United Kingdom
TXU Europe Energy Trading
(UK) Limited United Kingdom
Eastern Deutschland Gmbh Germany
TXU Europe Energy Trading
(Nederland) BV Netherlands
Eastern Power and Energy Trading
(Poland) Sp. z.o.o Poland
TXU Europe Upstream Limited United Kingdom
TXU Europe Resources Limited United Kingdom
TXU Europe Hydrocarbons Limited United Kingdom
Capital Electricity Limited United Kingdom
Capital Power Limited United Kingdom
Dowlais Power Limited United Kingdom
Eastern Data Collection Services Limited United Kingdom
Eastern Distribution Services Limited United Kingdom
Eastern Electrical Contracting Limited United Kingdom
Eastern Electricity Contracting Limited United Kingdom
Eastern Electricity Energy Traders
Limited United Kingdom
Eastern Electricity Retail Limited United Kingdom
Eastern Energy Brokers Limited United Kingdom
Eastern Energy Management Limited United Kingdom
Eastern Energy Services Limited United Kingdom
Eastern Energy Trading Limited United Kingdom
Eastern Group Property Management
Limited United Kingdom
Eastern Group Telecom Limited United Kingdom
Eastern IT Services Limited United Kingdom
Eastern (Kobbelv) Limited United Kingdom
Eastern (Svartisen) Limited United Kingdom
Eastern Leasing (1) Limited United Kingdom
Eastern Leasing (2) Limited United Kingdom
Eastern Leasing (3) Limited United Kingdom
Eastern Limited United Kingdom
Eastern Marketing Company Limited United Kingdom
Eastern Metering Services Limited United Kingdom
Eastern Metering and Data Collection
Limited United Kingdom
Eastern Network Management Limited United Kingdom
Eastern PFS 3 Limited United Kingdom
Eastern PFS 4 Limited United Kingdom
Eastern PFS 5 Limited United Kingdom
Eastern PFS 6 Limited United Kingdom
Eastern Systems and Services Limited United Kingdom
Eastern Twenty Six Limited United Kingdom
Energy Optimisation Limited United Kingdom
Gwynedd Power Limited United Kingdom
Questra Services Limited United Kingdom
Optima Gas Limited United Kingdom
Optima Power Limited United Kingdom
Shield Collection and Recovery
Services Limited United Kingdom
Simple Heat Limited United Kingdom
The Energy Merchant Limited United Kingdom
Utility Contracting Services Limited United Kingdom
Utility Electrical Contracting
Services Limited United Kingdom
Energy Holdings (No. 2) Limited United Kingdom
Anglo-French Exploration
Company Limited United Kingdom
CGF Investments Limited United Kingdom
Consolidated Gold Fields Limited United Kingdom
Energy Group International
Limited (The) United Kingdom
Exploration Ventures Limited (46) United Kingdom
Exven Limited (47) United Kingdom
Global Energy Finance LLC Delaware
Gold Fields Industrial Holdings Limited United Kingdom
Gold Fields Mining & Industrial Limited United Kingdom
Angbur Investment Trust Limited United Kingdom
Rose, Lloyd & Co. Limited (48) United Kingdom
Mining & Industrial Holdings Limited United Kingdom
Gold Fields Rhodesian Development
Company Limited United Kingdom
Minven Minerals Limited (49) United Kingdom
New Consolidated Gold Fields Limited United Kingdom
Peabody Resources (UK) Limited United Kingdom
Gold Fields Resources Limited (50) United Kingdom
Gold Fields Industrial Limited United Kingdom
C. Tennant Leasing Limited United Kingdom
C. Tennant, Sons & Company Limited United Kingdom
Tennant Trading Limited United Kingdom
Tennant Security Limited United Kingdom
Gold Fields Mahd Adh Dhahab Limited United Kingdom
Whitby Potash Limited United Kingdom
Energy Group Holdings B.V. Netherlands
Energy Group Overseas B.V. Netherlands
Energy Holdings (No. 3) Limited United Kingdom
Energy Holdings (No. 4) Limited United Kingdom
Energy Nominees Limited United Kingdom
Energy Resources Limited United Kingdom
Rollalong (Overseas) Limited United Kindgom
Energy (30) Limited United Kingdom
Energy Holdings (No. 5) Limited United Kingdom
Energy Group Finance plc United Kingdom
TEG Head Office Limited United Kingdom
Energy Holdings (No. 1) Limited United Kingdom
Major Insurance Company Bermuda
Alliedhike Limited United Kingdom
Energy Trustees Limited United Kingdom
TXU Australia (LP) No. 1 Limited United Kingdom
TXU Australia (LP) No. 2 Limited United Kingdom
TXU Australia Holdings (AGP) Pty. Ltd. Australia
TXU Australia Holdings Limited Partnership (51) Australia
TXU Australia Holdings Pty. Ltd. Australia
TXU Australia Pty. Ltd. Australia
Eastcoast Gas Pty. Ltd. (52) Australia
Eastern Energy Limited Australia
TXU (No. 14) Pty. Ltd. Australia
TXU Networks Pty. Ltd. Australia
TXU (No. 13) Pty. Ltd. Australia
Global Customer Solutions Pty. Ltd. Australia
Integrated Process Solutions Pty. Ltd. (53) Australia
TXU Australia (Bairnsdale Power) Pty. Ltd. Australia
Eastcoast Power Pty. Ltd. (54) Australia
TXU Australia Services Pty. Ltd. Australia
TXU (No. 3) Pty. Ltd. Australia
TXU (No. 4) Pty. Ltd. Australia
TXU (No. 5) Pty. Ltd. Australia
TXU (No. 6) Pty. Ltd. Australia
TXU Australia (Queensland) Pty. Ltd. Australia
TXU (No. 7) Pty. Ltd. Australia
Western Underground Gas Storage Pty Ltd Australia
TXU (No. 8) Pty. Ltd. Australia
TXU (No. 9) Pty. Ltd. Australia
Kinetik Energy Pty. Ltd. Australia
Westar Pty. Ltd. Australia
Gasmart (Vic) Pty. Ltd. (55) Australia
TXU (No. 12) Pty. Ltd. Australia
___________________________
(1) 67% owned by TXU Communications Transport Company.
(2) 50% owned by TXU Development Company.
(3) 99% owned by EDC Palakkad Power Ltd. and 1% owned by Enserch International
Ltd.
(4) 70% owned by EDC Shaoxing Power Ltd.
(5) 40% owned by TXU Development Company.
(6) 99% owned by EIL India, L.L.C.
(7) 51% owned by Electron 4/NW, Inc. and 49% owned by TXU Development Company.
(8) 99% owned by National Pipeline Company and 1% owned by TXU Development
Company.
(9) 99.99% owned by Enserch de Mexico S.A. de C.V. and .01% owned by TXU
Development Company.
(10) 60% owned by Enserch de Monterrey S.A. de C.V.
(11) 99% owned by Compania Mexicana de Gas S.A. de C.V.
(12) Joint venture with Gas de France ("GDF"). In order for GDF to consolidate
its Mexico entities for tax purposes, GDF owns one more share than TXU
Energy Trading Company ("Trading") in each of the companies. The result is
they own 50% plus a small fraction of a percent more than Trading.
(13) 99% owned by parent.
(14) 50% owned by TXU Gas Company.
(15) 70% owned by Lone Star Gas International, Inc.
(16) 99.99% owned by Servicio de Energia de Mexico, S.A. de C.V. and 0.01% owned
by Lone Star Gas International, Inc.
(17) 85% owned by TU United Kingdom Holdings, Inc. and 15% owned by TXU Finance
(No. 1) Holdings Company.
(18) 50% owned by TXU Eastern Finance (A) Limited and 50% owned by TXU Eastern
Finance (B) Limited.
(19) 90% owned by TXU Europe Limited and 10% owned by TXU Finance (No. 2)
Holdings Company.
(20) 13.5% owned by TXU Europe Power Limited.
(21) 75% owned by TXU Europe Power Limited and 25% owned by Nedalo B.V.
(22) 49% owned by TXU Europe Group plc.
(23) 50% owned by TXU Europe Group plc.
(24) 50% owned by TXU Europe Group plc.
(25) 67% owned by Lund Eastern Energi A.B.
(26) 25% owned by Lund Eastern Energi A.B.
(27) .8% owned by Logicalform Limited and 4.2% owned by TXU Europe Group plc.
(28) 50% owned by TXU Europe Group plc. and 50% owned by Hidroelectrica del
Cantabrico, S.A.
(29) 30% owned by Web Energy Limited
(30) 21.9% owned by TXU Czech Investments Limited
(31) 33.3% owned by Severomoravska Energetika
(32) 50% owned by Severomoravska Energetika
(33) 64% owned by Severomoravska Energetika
(34) 83.9% owned by TXU Czech Investments Limited
(35) 25% owned by Terplarney Brno A.S.
(36) 34% owned by Terplarney Brno A.S.
(37) 45% owned by Terplarney Brno A.S.
(38) 29% owned by Terplarney Brno A.S.
(39) 39.87% owned by TXU Finland Holdings Limited
(40) 81% owned by Logicalform Limited
(41) 60.2% owned by TXU Nordic Energy Oy
(42) 56.8% owned by Ponjolan Vojma Oy
(43) 22% owned by Ponjolan Vojma Oy
(44) 50% owned by Ponjolan Vojma Oy
(45) 80.1% owned by Ponjolan Voyma Oy
(46) 50% owned by Energy Holdings (No. 2) Limited
(47) 70% owned by Energy Holdings (No. 2) Limited.
(48) 50% owned by Angbur Investment Trust Limited and 50% owned by Gold Fields
Mining & Industrial Limited.
(49) 30% owned by Energy Holdings (No. 2) Limited.
(50) 80% owned by Energy Holdings (No. 2) Limited and 20% owned by Peabody
Resources (UK) Limited.
(51) .05% owned by TXU Australia Holdings (AGP) Pty. Ltd., 49.75% owned by TXU
Australia (LP) No. 2 Limited, and 49.75% owned by TXU Australia (LP) No. 1
Limited.
(52) 50% owned by TXU Australia Pty. Ltd.
(53) 16.95% owned by Global Customer Solutions Pty. Ltd.
(54) 26% owned by TXU Australia (Bairnsdale Power) Pty. Ltd.
(55) 33% owned by Westar Pty. Ltd.
Except as noted above, the voting stock of each subsidiary company and their
subsidiaries and affiliates is wholly owned (100%) by its parent or a wholly-
owned affiliate.
Affiliates
State or County
of Incorporation
or Organization
American Gas Finance Company, L.L.C. (1) Texas
Enserch SACROC Inc. (2) Texas
ENS Holdings Limited Partnership (3 ) Texas
FinaStar Partnership (4) Texas
Lavair Cogeneration Limited Partnership (5) Delaware
Gulf Coast Natural Gas Company (6) Texas
Encogen Hawaii, L.P. (7) Hawaii
Encogen Northwest L.P. (8) Delaware
Encogen Four Partners L.P. (9) Delaware
GTE Mobilnet of South Texas, L.P. (10) Texas
GTE Mobilnet of Texas RSA #11, L.P. (11) Texas
GTE Mobilnet of Texas RSA #17, L.P. (12) Texas
Texas RSA #11B Limited Partnership (13) Texas
ICMC Power Consortium, Inc. (14) New York
ESN Holdings Limited (15) United Kingdom
Electralink Limited (16) United Kingdom
Non-Fossil Purchasing Agency Limited (17) United Kingdom
Electricity Association Limited (18) United Kingdom
Electricity Pension Trustees Limited (19) United Kingdom
UK Data Collection Services Limited (20) United Kingdom
Barking Power Limited (21) United Kingdom
Severomoravska Energetika (22) Czech Republic
Hidroelectrica del Cantabrico, S.A. (23) Spain
Gasmart (24) Australia
________________________
(1) 5.27% owned by Lone Star Energy Services, Inc.
(2) 99.65% owned by Enserch Finance II, Inc. and 0.35% owned by ENS Holdings
Limited Partnership.
(3) Limited Partnership: ENS Holdings II, Inc. (99%) and ENS Holdings I, Inc.
(1%).
(4) General Partnership: TXU Gas Company (50%).
(5) Limited Partnership EDC Catskill Cogeneration, Inc. (56.67%) and TXU Gas
Company (43.33%).
(6) General partnership: General Partner, TXU Gas Transmission Company (50%).
(7) Limited Partnership: TXU Development Company (50%).
(8) Limited Partnership: Ensat Northwest Cogeneration Company (99%) and EDC
Northwest Cogeneration, Inc. (1%).
(9) Limited Partnership: EDC Four, Inc. (1%).
(10) Limited Partnership: TXU Communications Transport Company (2.34%).
(11) Limited Partnership: TXU Communications Transport Company (18%).
(12) Limited Partnership: TXU Communications Transport Company (17%).
(13) Limited Partnership: TXU Communications Transport Company (18%).
(14) 12.93% owned by TXU Development Company.
(15) 6.97% owned by Eastern Electricity plc.
(16) 9.77% owned by Eastern Electricity plc.
(17) 8.3% owned by Eastern Electricity plc.
(18) 3.88% owned by Eastern Electricity plc.
(19) 5.99% owned by Eastern Electricity plc.
(20) 7.8% owned by Eastern Electricity plc.
(21) 13.5% owned by Eastern Generation Limited.
(22) 16.3% owned by Eastern Group European Investments Limited.
(23) 5% owned by Eastern Group plc.
(24) 33% owned by Westar Pty Ltd.