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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G
                    Under the Securities Exchange Act of 1934
                                (Amendment No. 8)


                                TC PipeLines, LP
- -------------------------------------------------------------------------------
                                (Name of Issuer)



        Common Units representing limited partner interests, no par value
- -------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    87233Q108
                  --------------------------------------------
                                 (CUSIP Number)



                                December 31, 2006
- -------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

[X] Rule 13d-1(b)

[_] Rule 13d-1(c)

[_] Rule 13d-1(d)


*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.


The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).




Persons who respond to the collection of information  contained in this form are
not required to respond  unless the form displays a currently  valid OMB control
number.

SEC 1745 (3-06)
                                Page 1 of 8 pages

- ----------------------- CUSIP No. 87233Q108 13G - ----------------------- - ------------------------------------------------------------------------------ 1. Name of Reporting Person I.R.S. Identification No. of above Person Goldman, Sachs & Co. - ------------------------------------------------------------------------------ 2. Check the Appropriate Box if a Member of a Group (a) [_] (b) [_] - ------------------------------------------------------------------------------ 3. SEC Use Only - ------------------------------------------------------------------------------ 4. Citizenship or Place of Organization New York - ------------------------------------------------------------------------------ 5. Sole Voting Power Number of 0 Shares ---------------------------------------------------------- 6. Shared Voting Power Beneficially 306 Owned by ---------------------------------------------------------- Each 7. Sole Dispositive Power Reporting 0 Person ---------------------------------------------------------- 8. Shared Dispositive Power With: 971,648 - ------------------------------------------------------------------------------ 9. Aggregate Amount Beneficially Owned by Each Reporting Person 971,648 - ------------------------------------------------------------------------------ 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares [_] - ------------------------------------------------------------------------------ 11. Percent of Class Represented by Amount in Row (9) 5.6% - ------------------------------------------------------------------------------ 12. Type of Reporting Person BD-PN-IA - ------------------------------------------------------------------------------ Page 2 of 8 pages

- ----------------------- CUSIP No. 87233Q108 13G - ----------------------- - ------------------------------------------------------------------------------ 1. Name of Reporting Person I.R.S. Identification No. of above Person The Goldman Sachs Group, Inc. - ------------------------------------------------------------------------------ 2. Check the Appropriate Box if a Member of a Group (a) [_] (b) [_] - ------------------------------------------------------------------------------ 3. SEC Use Only - ------------------------------------------------------------------------------ 4. Citizenship or Place of Organization Delaware - ------------------------------------------------------------------------------ 5. Sole Voting Power Number of 0 Shares ---------------------------------------------------------- 6. Shared Voting Power Beneficially 306 Owned by ---------------------------------------------------------- Each 7. Sole Dispositive Power Reporting 0 Person ---------------------------------------------------------- 8. Shared Dispositive Power With: 971,648 - ------------------------------------------------------------------------------ 9. Aggregate Amount Beneficially Owned by Each Reporting Person 971,648 - ------------------------------------------------------------------------------ 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares [_] - ------------------------------------------------------------------------------ 11. Percent of Class Represented by Amount in Row (9) 5.6% - ------------------------------------------------------------------------------ 12. Type of Reporting Person HC-CO - ------------------------------------------------------------------------------ Page 3 of 8 pages

Item 4. Ownership.* (a). Amount beneficially owned: See the response(s) to Item 9 on the attached cover page(s). (b). Percent of Class: See the response(s) to Item 11 on the attached cover page(s). (c). Number of shares as to which such person has: (i). Sole power to vote or to direct the vote: See the response(s) to Item 5 on the attached cover page(s). (ii). Shared power to vote or to direct the vote: See the response(s) to Item 6 on the attached cover page(s). (iii). Sole power to dispose or to direct the disposition of: See the response(s) to Item 7 on the attached cover page(s). (iv). Shared power to dispose or to direct the disposition of: See the response(s) to Item 8 on the attached cover page(s). Item 10. Certification. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. - -------------------------- * In accordance with the Securities and Exchange Commission Release No. 34-39538 (January 12, 1998) (the "Release"), this filing reflects the securities beneficially owned by certain operating units (collectively, the "Goldman Sachs Reporting Units") of The Goldman Sachs Group, Inc. and its subsidiaries and affiliates (collectively, "GSG"). This filing does not reflect securities, if any, beneficially owned by any operating units of GSG whose ownership of securities is disaggregated from that of the Goldman Sachs Reporting Units in accordance with the Release. The Goldman Sachs Reporting Units disclaim beneficial ownership of the securities beneficially owned by (i) any client accounts with respect to which the Goldman Sachs Reporting Units or their employees have voting or investment discretion, or both and (ii) certain investment entities of which the Goldman Sachs Reporting Units act as the general partner, managing general partner or other manager, to the extent interests in such entities are held by persons other than the Goldman Sachs Reporting Units. Page 4 of 8 pages

SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: February 6, 2007 THE GOLDMAN SACHS GROUP, INC. By:/s/ Lauren LoFaro ---------------------------------------- Name: Lauren LoFaro Title: Attorney-in-fact GOLDMAN, SACHS & CO. By:/s/ Lauren LoFaro ---------------------------------------- Name: Lauren LoFaro Title: Attorney-in-fact Page 5 of 8 pages

INDEX TO EXHIBITS Exhibit No. Exhibit - ----------- ------- 99.1 Power of Attorney, dated December 19, 2006, relating to The Goldman Sachs Group, Inc. 99.2 Power of Attorney, dated December 19, 2006, relating to Goldman, Sachs & Co. Page 6 of 8 pages

EXHIBIT (99.1) POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that THE GOLDMAN SACHS GROUP, INC. (the "Company") does hereby make, constitute and appoint each of Ronald L. Christopher and Lauren LoFaro, (and any other employee of The Goldman Sachs Group, Inc. or one of its affiliates designated in writing by one of the attorneys-in-fact), acting individually, its true and lawful attorney, to execute and deliver in it name and on its behalf whether the Company is acting individually or as representative of others, any and all filings required to be made by the Company under the Securities Exchange Act of 1934, (as amended, the "Act"), with respect to securities which may be deemed to be beneficially owned by the Company under the Act, giving and granting unto each said attorney-in-fact power and authority to act in the premises as fully and to all intents and purposes as the Company might or could do if personally present by one of its authorized signatories, hereby ratifying and confirming all that said attorney-in-fact shall lawfully do or cause to be done by virtue hereof. THIS POWER OF ATTORNEY shall remain in full force and effect until either revoked in writing by the undersigned or until such time as the person or persons to whom power of attorney has been hereby granted cease(s) to be an employee of The Goldman Sachs Group, Inc. or one of its affiliates. IN WITNESS WHEREOF, the undersigned has duly subscribed these presents as of December 19, 2006. THE GOLDMAN SACHS GROUP, INC. By: /s/ Gregory K. Palm - ---------------------------- GREGORY K. PALM Executive Vice President and General Counsel Page 7 of 8 pages

EXHIBIT (99.2) POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS that GOLDMAN, SACHS & CO. (the "Company") does hereby make, constitute and appoint each of Ronald L. Christopher and Lauren LoFaro,(and any other employee of The Goldman Sachs Group, Inc. or one of its affiliates designated in writing by one of the attorneys-in-fact), acting individually, its true and lawful attorney, to execute and deliver in it name and on its behalf whether the Company is acting individually or as representative of others, any and all filings required to be made by the Company under the Securities Exchange Act of 1934, (as amended, the "Act"), with respect to securities which may be deemed to be beneficially owned by the Company under the Act, giving and granting unto each said attorney-in-fact power and authority to act in the premises as fully and to all intents and purposes as the Company might or could do if personally present by one of its authorized signatories, hereby ratifying and confirming all that said attorney-in-fact shall lawfully do or cause to be done by virtue hereof. THIS POWER OF ATTORNEY shall remain in full force and effect until either revoked in writing by the undersigned or until such time as the person or persons to whom power of attorney has been hereby granted cease(s) to be an employee of The Goldman Sachs Group, Inc. or one of its affiliates. IN WITNESS WHEREOF, the undersigned has duly subscribed these presents as of December 19, 2006. GOLDMAN, SACHS & CO. By: /s/ Gregory K. Palm - ---------------------------- GREGORY K. PALM Managing Director Page 8 of 8 pages