EXHIBIT 21
Subsidiaries of
American Electric Power Company, Inc.
As of January 1, 1999
The voting stock of each company shown indented is owned by the company
immediately above which is not indented to the same degree. Subsidiaries not
indented are directly owned by American Electric Power Company, Inc.
Percentage
of Voting
Securities
Location of Owned By
Name of Company Incorporation Immediate Parent
American Electric Power Service Corporation New York 100.0
AEP Communications, Inc. Ohio 100.0
AEP Communications, LLC Virginia 100.0
AEP Energy Services, Inc. Ohio 100.0
AEP Generating Company Ohio 100.0
AEP Investments, Inc. Ohio 100.0
AEP Power Marketing, Inc. Ohio 100.0
AEP Resources Service Company Ohio 100.0
AEP Energy Services International, Limited Cayman Islands 100.0
AEP Resources, Inc. Ohio 100.0
AEP Resources Australia Holdings Pty Ltd Australia 100.0
AEP Resources CitiPower I Pty Ltd Australia 100.0
Australia's Energy Partnership Australia 99.0 (a)
Marregon II Pty Ltd Australia 100.0
CitiPower Pty Australia 100.0
Marregon Pty Ltd Australia 100.0
AEP Resources CitiPower II Pty Ltd Australia 100.0
Australia's Energy Partnership Australia 1.0 (a)
Marregon II Pty Ltd Australia 100.0
CitiPower Pty Australia 100.0
Marregon Pty Ltd Australia 100.0
AEP Resources Australia Pty., Ltd. Australia 100.0
AEP Resources Delaware, Inc. Delaware 100.0
AEP Resources Gas Holding Company Delaware 100.0
AEP Resources Investments, Inc. Delaware 100.0
LIG Pipeline Company Nevada 100.0
LIG, Inc. Nevada 100.0
Louisiana Intrastate Gas Company,L.L.C. Louisiana 10.0 (b)
LIG Chemical Company Louisiana 100.0
LIG Liquids Company,L.L.C. Louisiana 10.0 (c)
LIG Liquids Company,L.L.C. Louisiana 90.0 (c)
Tuscaloosa Pipeline Company Louisiana 100.0
Louisiana Intrastate Gas Company,L.L.C. Louisiana 90.0 (b)
LIG Chemical Company Louisiana 100.0
LIG Liquids Company,L.L.C. Louisiana 10.0 (c)
LIG Liquids Company,L.L.C. Louisiana 90.0 (c)
Tuscaloosa Pipeline Company Louisiana 100.0
AEP Resources Ventures, Inc. Delaware 100.0
AEP Acquisition, L.L.C. Delaware 50.0 (d)
Jefferson Island Storage & Hub L.L.C. Delaware 100.0
AEP Resources Ventures II, Inc. Delaware 100.0
AEP Acquisition, L.L.C. Delaware 50.0 (d)
AEP Resources Ventures III, Inc. Delaware 100.0
AEP Resources International, Limited Cayman Islands 100.0
AEP Pushan Power, LDC Cayman Islands 99.0 (e)
Nanyang General Light Electric Co., Ltd. People's Republic of China 70.0 (f)
AEP Resources Mauritius Company Mauritius 99.0 (e)
AEP Resources Mauritius Investment Company Mauritius 100.0
AEP Resources Project Management Company, Ltd.Cayman Islands 100.0
AEP Pushan Power, LDC Cayman Islands 1.0 (e)
Nanyang General Light Electric Co., Ltd. People's Republic of China 70.0 (f)
AEP Resources Mauritius Company Mauritius 1.0 (e)
AEP Resources Limited Great Britain 100.0
AEPR Global Investments B.V. Netherlands 100.0
AEPR Global Holland Holding B.V. Netherlands 100.0
AEPR Global Ventures B.V. Netherlands 100.0
Appalachian Power Company Virginia 98.6 (g)
Cedar Coal Co. West Virginia 100.0
Central Appalachian Coal Company West Virginia 100.0
Central Coal Company West Virginia 50.0 (h)
Central Operating Company West Virginia 50.0 (h)
Southern Appalachian Coal Company West Virginia 100.0
West Virginia Power Company West Virginia 100.0
Columbus Southern Power Company Ohio 100.0
Colomet, Inc. Ohio 100.0
Conesville Coal Preparation Company Ohio 100.0
Simco Inc. Ohio 100.0
Franklin Real Estate Company Pennsylvania 100.0
Indiana Franklin Realty, Inc. Indiana 100.0
Indiana Michigan Power Company Indiana 100.0
Blackhawk Coal Company Utah 100.0
Price River Coal Company, Inc. Indiana 100.0
Kentucky Power Company Kentucky 100.0
Kingsport Power Company Virginia 100.0
Ohio Power Company Ohio 99.1 (i)
Cardinal Operating Company Ohio 50.0 (j)
Central Coal Company West Virginia 50.0 (h)
Central Ohio Coal Company Ohio 100.0
Central Operating Company West Virginia 50.0 (h)
Southern Ohio Coal Company West Virginia 100.0
Windsor Coal Company West Virginia 100.0
Ohio Valley Electric Corporation Ohio 44.2 (k)
Indiana-Kentucky Electric Corporation Indiana 100.0
Wheeling Power Company West Virginia 100.0
(a) Owned 99% by AEP Resources CitiPower I Pty Ltd and 1% by AEP Resources
CitiPower II Pty Ltd
(b) Owned 90% by LIG Pipeline Company and 10% by LIG, Inc.
(c) Owned 90% by Louisiana Intrastate Gas Company, L.L.C. and 10% by Lig Chemical Company
(d) Owned 50% by Aep Resources Ventures, Inc and 50% by AEP Resources Ventures
II.
(e) Owned 99% by AEP Resources International, Ltd. and 1% by AEP Resources
Project Management Company, Ltd.
(f) AEP Pushan Power LDC owns 70% and the remaining 30% is owned by two unaffiliated
companies.
(g) 13,499,500 shares of Common Stock, all owned by parent, have one vote each
and 3,587 shares of Preferred Stock, all owned by public, have one vote
each.
(h) Owned 50% by Appalachian Power Company and 50% by Ohio Power Company.
(i) 27,952,473 shares of Common Stock, all owned by parent, have one vote each
and 256,200 shares of Preferred Stock, all owned by public, have one vote
each.
(j) Ohio Power Company owns 50% of the stock; the other 50% is owned by a
corporation not affiliated with American Electric Power Company, Inc.
(k) American Electric Power Company, Inc. and Columbus Southern Power Company own 39.9% and
4.3% of the stock, respectively, and the remaining 55.8% is owned by unaffiliated
companies.