**Exhibit 21**

 

**Subsidiary Listing**

 

As of December 31, 2005,the following is a listing of the subsidiaries of each registrant in whichCinergy Corp. has a greater than 10% ownership interest in and their state orcountry of incorporation or organization indented to show degree of remotenessfrom registrant.

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

 

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

 

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| **Name of Company  (Indentation indicates subsidiary relationship)** | ** ** | **State or  Country of  Organization or****Incorporation** | ** ** |
|--------------------------------------------------------------------------------|------------|------------------------------------------------------------|------------|
|                                                                           |       |                                                       |       |
| Oak Mountain  Products, LLC                                                    |       | Delaware                                                   |       |
| **Pine  Mountain Investments, LLC**                                            |       | Delaware                                                   |       |
| Pine Mountain  Products, 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                                                     |       |
| 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                                                      |       |
| Bullard Energy  Center, LLC                                                    |       | Delaware                                                   |       |
| **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                                                   |       |

 

----

 
| **Name of Company  (Indentation indicates subsidiary relationship)** | ** ** | **State or  Country of  Organization or****Incorporation** | ** ** |
|--------------------------------------------------------------------------------|------------|------------------------------------------------------------|------------|
|                                                                           |       |                                                       |       |
| **Illinois  Electrical Generation Partners II L.P.**                           |       | Delaware                                                   |       |
| **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  Partners, 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                                                   |       |

 

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| **Name of Company  (Indentation indicates subsidiary relationship)** | ** ** | **State or  Country of  Organization or****Incorporation** | ** ** |
|--------------------------------------------------------------------------------|------------|------------------------------------------------------------|------------|
|                                                                           |       |                                                       |       |
| CSGP General,  LLC                                                             |       | Texas                                                      |       |
| Lansing Grand  River Utilities, LLC                                            |       | Delaware                                                   |       |
| Oklahoma  Arcadian Utilities, LLC                                              |       | Delaware                                                   |       |
| Panoche Energy  Center, 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                                                   |       |
| 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                                                   |       |
| Cinergy Global  Power Services Limited                                         |       | England                                                    |       |
| **Cinergy  Global Power (UK) Limited**                                         |       | England                                                    |       |
| **Cinergy  Global Trading Limited**                                            |       | England                                                    |       |
| Cinergy Global  Hellas S.A.                                                    |       | Greece                                                     |       |
| Commercial  Electricity Supplies 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                                            |       |
| **Cinergy  Zambia B.V.**                                                       |       | The Netherlands                                            |       |
| **Copperbelt  Energy Corporation PLC**                                         |       | Republic of Zambia                                         |       |
| Power Sports  Limited                                                          |       | Republic of Zambia                                         |       |
| **Cinergy  Global (Cayman) Holdings, Inc.**                                    |       | Cayman Islands                                             |       |
| **Cinergy  Global Tsavo Power**                                                |       | Cayman Islands                                             |       |
| **IPS-Cinergy  Power Limited**                                                 |       | Kenya                                                      |       |
| Tsavo Power  Company Limited                                                   |       | Kenya                                                      |       |
| eVent Resources  Overseas I, LLC                                               |       | Delaware                                                   |       |
| Midlands  Hydrocarbons (Bangladesh) Limited                                    |       | England                                                    |       |

 

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

 

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