Exhibit 21

Subsidiary Listing

As of December 31, 2004, the following is a listing of the subsidiaries of each registrant in which Cinergy Corp. has a greater than 10% ownership interest in and their state or country of incorporation or organization indented to show degree of remoteness from registrant.

Name of Company		State or Country of Organization or
(Indentation indicates subsidiary relationship)		Incorporation

Cinergy Corp. (1)		Delaware

Cinergy Services, Inc.		Delaware

CC Funding Trust I		Delaware

CC Funding Trust II		Delaware

Cinergy Receivables Company LLC		Delaware

Cinergy Risk Solutions Ltd.		Vermont

The Cincinnati Gas & Electric Company (1)		Ohio
Cinergy Power Investments, Inc.		Ohio
The Union Light, Heat and Power Company (1)		Kentucky
Tri-State Improvement Company		Ohio
Miami Power Corporation		Indiana
KO Transmission Company		Kentucky

PSI Energy, Inc. (1)		Indiana
South Construction Company, Inc.		Indiana

Cinergy Investments, Inc.		Delaware
Cinergy-Cadence, Inc.		Indiana
Cadence Network, Inc.		Delaware
Cinergy Capital & Trading, Inc.		Indiana
Brownsville Power I, LLC		Delaware
Caledonia Power I, LLC		Delaware
CinPower I, LLC		Delaware
Cinergy Canada, Inc.		Canada
Cinergy Climate Change Investments, LLC		Delaware
Cinergy Limited Holdings, LLC		Delaware
Cinergy Marketing & Trading, LP		Delaware
Ohio River Valley Propane, LLC		Delaware
Cinergy General Holdings, LLC		Delaware
Cinergy Mexico Limited, LLC		Delaware
Cinergy Mexico Holdings, L.P.		Delaware
Cinergy Mexico Marketing & Trading, LLC		Delaware
Cinergy Mexico General, LLC		Delaware
Cinergy Retail Power Limited, Inc.		Delaware
Cinergy Retail Power, L.P.		Delaware
Cinergy Retail Power General, Inc.		Texas
Cinergy Retail Sales, LLC		Delaware
CinFuel Resources, Inc.		Delaware
LH1, LLC		Delaware

(1) Companies indicated are registrants with the Securities and Exchange Commission.

Name of Company		State or Country of Organization or
(Indentation indicates subsidiary relationship)		Incorporation

Oak Mountain Products, LLC		Delaware
Cinergy Transportation, LLC		Delaware
SYNCAP II, LLC		Delaware
Cinergy Telecommunications Holding Company, Inc.		Delaware
Q-Comm Corporation		Nevada
QCC, Inc.		Nevada
Cinergy Communications Company		Kentucky
Cinergy MetroNet, Inc.		Indiana
Kentucky Data Link, Inc.		Kentucky
Chattanooga Data Link, Inc.		Tennessee
Cincinnati Data Link, Inc.		Ohio
Cinergy Telecommunication Networks - Indiana, Inc.		Indiana
Cinergy Telecommunication Networks - Ohio, Inc.		Ohio
Indianapolis Data Link, Inc.		Indiana
KDL Holdings, LLC		Delaware
Knoxville Data Link, Inc.		Tennessee
Lexington Data Link, Inc.		Kentucky
Louisville Data Link, Inc.		Kentucky
Memphis Data Link, Inc.		Tennessee
Nashville Data Link, Inc.		Tennessee
Lattice Communications, LLC		Delaware
LB Tower Company, LLC		Delaware
Cinergy Engineering, Inc.		Ohio
Cinergy-Centrus, Inc.		Delaware
Cinergy-Centrus Communications, Inc.		Delaware
Cinergy Solutions Holding Company, Inc.		Delaware
3036243 Nova Scotia Company		Canada
Cinergy Solutions Limited Partnership		Canada
3075959 Nova Scotia Company		Canada
1388368 Ontario Inc.		Canada
Cinergy Solutions - Demand, Inc.		Delaware
Cinergy Solutions - Demand, Ltd.		Canada
Keen Rose Technology Group Limited		Canada
Optimira Controls, Inc.		Canada
Cinergy EPCOM College Park, LLC		Delaware
Cinergy Solutions, Inc.		Delaware
BSPE Holdings, LLC		Delaware
BSPE Limited, LLC		Delaware
BSPE, L.P.		Delaware
BSPE General, LLC		Texas
Cinergy Energy Solutions, Inc.		Delaware
U.S. Energy Biogas Corp.		Delaware
Biogas Financial Corporation		Connecticut
ZFC Energy Inc.		Delaware
Power Generation (Suffolk), Inc.		Delaware
Suffolk Energy Partners, L.P.		Virginia
Suffolk Biogas, Inc.		Delaware
Lafayette Energy Partners, L.P.		New Jersey
Taylor Energy Partners, L.P.		Pennsylvania
Resources Generating Systems, Inc.		New York
Hoffman Road Energy Partners, LLC		Delaware
Illinois Electrical Generation Partners, L.P.		Delaware
Zapco Illinois Energy, Inc.		Delaware
Avon Energy Partners, L.L.C.		Illinois
Devonshire Power Partners, L.L.C.		Illinois
Riverside Resource Recovery, L.L.C.		Illinois
Illinois Electrical Generation Partners II L.P.		Delaware

Name of Company		State or Country of Organization or
(Indentation indicates subsidiary relationship)		Incorporation

BMC Energy, LLC		Delaware
Brookhaven Energy Partners, LLC		New York
Countryside Genco, L.L.C.		Delaware
Morris Genco, L.L.C.		Delaware
Brickyard Energy Partners, LLC		Delaware
Dixon/Lee Energy Partners, LLC		Delaware
Roxanna Resource Recovery L.L.C.		Illinois
Streator Energy Partners, LLC		Delaware
Upper Rock Energy Partners, LLC		Delaware
Barre Energy Partners, L.P.		Delaware
Biomass New Jersey, L.L.C.		New Jersey
Brown County Energy Associates, LLC		Delaware
Burlington Energy, Inc.		Vermont
Cape May Energy Associates, L.P.		Delaware
Dunbarton Energy Partners, Limited Partnership		New Hampshire
Garland Energy Development, LLC		Delaware
Oceanside Energy Inc.		New York
Onondaga Energy Partners, L.P.		New York
Oyster Bay Energy Partners, L.P.		New York
Smithtown Energy Partners, L.P.		New York
Springfield Energy Associates, Limited Partnership		Vermont
Suffolk Transmission Partner, L.P.		Delaware
Tucson Energy Partners LP		Delaware
Zapco Broome Nanticoke Corp.		New York
Zapco Development Corporation		Delaware
Zapco Energy Tactics Corporation		Delaware
Zapco Readville Cogeneration, Inc.		Delaware
ZFC Royalty Partners, A Connecticut Limited Partnership		Connecticut
ZMG, Inc.		Delaware
Cinergy GASCO Solutions, LLC		Delaware
Countryside Landfill Gasco, L.L.C.		Delaware
Morris Gasco, L.L.C.		Delaware
Brown County Landfill Gas Associates, L.P.		Delaware
Cinergy Solutions of Monaca, LLC		Delaware
Cinergy Solutions of Narrows, LLC		Delaware
Cinergy Solutions of Rock Hill, LLC		Delaware
Cinergy Solutions of San Diego, Inc.		Delaware
Cinergy Solutions of South Charleston, LLC		Delaware
Cinergy Solutions of St. Bernard, LLC		Delaware
Cinergy Solutions O&M, LLC		Delaware
Cinergy Solutions Operating Services of Delta Township, LLC		Delaware
Cinergy Solutions Operating Services of Lansing, LLC		Delaware
Cinergy Solutions Operating Services of Shreveport, LLC		Delaware
Cinergy Solutions Operating Services of Oklahoma, LLC		Delaware
Cinergy Solutions of Philadelphia, LLC		Delaware
Cinergy Solutions Partners, LLC		Delaware
CST Limited, LLC		Delaware
CST Green Power, L.P.		Delaware
Green Power Holdings, LLC		Delaware
Green Power Limited, LLC		Delaware
South Houston Green Power, L.P.		Delaware
Green Power G.P., LLC		Texas
CST General, LLC		Texas
CSGP of Southeast Texas, LLC		Delaware
CSGP Limited, LLC		Delaware
CSGP Services, L.P.		Delaware
CSGP General, LLC		Texas

Name of Company		State or Country of Organization or
(Indentation indicates subsidiary relationship)		Incorporation

Lansing Grand River Utilities, LLC		Delaware
Oklahoma Arcadian Utilities, LLC		Delaware
Shreveport Red River Utilities, LLC		Delaware
Cinergy Solutions of Tuscola, Inc.		Delaware
Delta Township Utilities, LLC		Delaware
Delta Township Utilities II, LLC		Delaware
Energy Equipment Leasing LLC		Delaware
Trigen-Cinergy Solutions LLC		Delaware
Trigen-Cinergy Solutions of Ashtabula LLC		Delaware
Cinergy Solutions of Boca Raton, LLC		Delaware
Cinergy Solutions of Cincinnati, LLC		Ohio
Cinergy Solutions - Utility, Inc.		Delaware
Trigen-Cinergy Solutions of Lansing LLC		Delaware
Trigen/Cinergy-USFOS of Lansing LLC		Delaware
Trigen-Cinergy Solutions of Orlando LLC		Delaware
Trigen-Cinergy Solutions of Owings Mills LLC		Delaware
Trigen-Cinergy Solutions of Owings Mills Energy Equipment Leasing, LLC		Delaware
Trigen-Cinergy Solutions of Rochester LLC		Delaware
Trigen-Cinergy Solutions of Silver Grove LLC		Delaware
Cinergy Solutions of St. Paul, LLC		Delaware
Environmental Wood Supply, LLC		Minnesota
St. Paul Cogeneration LLC		Minnesota
Trigen-Cinergy Solutions of Tuscola, LLC		Delaware
Cinergy Supply Network, Inc.		Delaware
Reliant Services, LLC		Indiana
MP Acquisitions Corp., Inc.		Indiana
Miller Pipeline Corporation		Indiana
Fiber Link, LLC		Indiana
Cinergy Technology, Inc.		Indiana

Cinergy Global Resources, Inc.		Delaware
Cinergy UK, Inc.		Delaware
Cinergy Global Power, Inc.		Delaware
CGP Global Greece Holdings, SA		Greece
Attiki Denmark ApS		Denmark
Attiki Gas Supply Company SA		Greece
Cinergy Global Ely, Inc.		Delaware
EPR Ely Power Limited		England
EPR Ely Limited		England
Ely Power Limited		England
Anglian Straw Limited		England
Anglian Ash Limited		England
Cinergy Global Power Services Limited		England
Cinergy Global Power (UK) Limited		England
Cinergy Global Trading Limited		England
Cinergy Trading and Marketing Limited		England & Wales
Commercial Electricity Supplies Limited		England
Cinergy Renewable Trading Limited		England
UK Electric Power Limited		England
Cinergy Global Power Iberia, S.A.		Spain
Cinergy Global Holdings, Inc.		Delaware
Cinergy Holdings B.V.		The Netherlands
Cinergetika U/L a.s.		Czech Republic
Cinergy Zambia B.V.		The Netherlands
Copperbelt Energy Corporation PLC		Republic of Zambia
Power Sports Limited		Republic of Zambia
Moravske Teplarny a.s.		Czech Republic

Name of Company		State or Country of Organization or
(Indentation indicates subsidiary relationship)		Incorporation

Cinergy Global (Cayman) Holdings, Inc.		Cayman Islands
Cinergy Global Hydrocarbons Pakistan		Cayman Islands
Cinergy Global Tsavo Power		Cayman Islands
IPS-Cinergy Power Limited		Kenya
Tsavo Power Company Limited		Kenya
Cinergy MPI V, Inc.		Cayman Islands
eVent Resources Overseas I, LLC		Delaware
Midlands Hydrocarbons (Bangladesh) Limited		England
Cinergy Global Power Africa (Proprietary) Limited		South Africa

CinTec LLC		Delaware
CinTec I LLC		Delaware
eVent Resources I LLC		Delaware
eVent Resources Holdings LLC		Delaware
CinTec II LLC		Delaware

Cinergy Technologies, Inc.		Delaware
Cinergy Broadband, LLC		Delaware
CCB Communications, LLC		Delaware
CCB Indiana, LLC		Delaware
CCB Kentucky, LLC		Delaware
CCB Ohio, LLC		Delaware
ACcess Broadband, LLC		Delaware
Cinergy Ventures, LLC		Delaware
Configured Energy Systems, Inc.		Delaware
Current Communications Group, LLC		Delaware
Maximum Performance Group, Inc.		Delaware
Cinergy Ventures II, LLC		Delaware
Catalytic Solutions, Inc.		California
Electric City Corp.		Delaware
Cinergy e-Supply Network, LLC		Delaware
Cinergy One, Inc.		Delaware
Cinergy Two, Inc.		Delaware

Cinergy Wholesale Energy, Inc.		Ohio
Cinergy Power Generation Services, LLC		Delaware
Cinergy Origination & Trade, LLC		Delaware

Cinergy Foundation, Inc.		Indiana

UNION LIGHT HEAT & POWER CO 10-K