EXHIBIT 24.1

SPECTRA ENERGY PARTNERS, LP

Power of Attorney

FORM 10-K

Annual Report Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

For the fiscal year ended December 31,
2010

(Annual Report)

The undersigned Spectra Energy Partners GP, LLC, a Delaware limited liability company and general partner of the general partner of Spectra Energy Partners, LP (the Partnership), and
certain of its officers and/or directors, do each hereby constitute and appoint Gregory J. Rizzo, Laura Buss Sayavedra and Christine M. Pallenik, and each of them, to act as attorneys-in-fact for and in the respective names, places, and stead of the
undersigned, to execute, seal, sign, and file with the Securities and Exchange Commission the Annual Report of the Partnership on Form 10-K and any and all amendments thereto, hereby granting to said attorneys-in-fact, and each of them, full power
and authority to do and perform all and every act and thing whatsoever requisite, necessary, or proper to be done in and about the premises, as fully to all intents and purposes as the undersigned, or any of them, might or could do if personally
present, hereby ratifying and approving the acts of said attorneys-in-fact.

Executed as of the 28th day of February, 2011.



SPECTRA ENERGY PARTNERS GP, LLCBy

/s/ Gregory J. RizzoPresident and Chief
Executive Officer


(Corporate Seal)

ATTEST:



|                    
|--------------------
|/s/ Patricia M. Rice
|Secretary           



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|                                              |  |                                                                                                          
|--------------------------------------------- |  | ---------------------------------------------------------------------------------------------------------
|/s/ Gregory J. Rizzo Gregory J. Rizzo         |  | President and Chief Executive Officer (Principal Executive Officer and Director)                         
|                                              | 
|/s/ Laura Buss Sayavedra Laura Buss Sayavedra |  | Vice President and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)
|                                              | 
|/s/ Steven D. Arnold Steven D. Arnold         |  | (Director)                                                                                               
|                                              | 
|/s/ Stewart A. Bliss Stewart A. Bliss         |  | (Director)                                                                                               
|                                              | 
|/s/ Nora Mead Brownell Nora Mead Brownell     |  | (Director)                                                                                               
|                                              | 
|/s/ Fred J. Fowler Fred J. Fowler             |  | (Director)                                                                                               
|                                              | 
|/s/ R. Mark Fiedorek R. Mark Fiedorek         |  | (Director)                                                                                               
|                                              | 
|/s/ Patrick J. Hester Patrick J. Hester       |  | (Director)                                                                                               
|                                              | 
|/s/ Theopolis Holeman Theopolis Holeman       |  | (Director)                                                                                               
|                                              | 
|/s/ J.D. Woodward, III J.D. Woodward, III     |  | (Director)