Spectra Energy Partners 10-K 2010 FY Annual report

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-158097 on Form S-3 and Registration Statement No. 333-144315 on Form S-8 of our report dated February 28, 2011, relating to the consolidated financial statements and financial statement schedule of Spectra Energy Partners, LP, and the effectiveness of Spectra Energy Partners, LP’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Spectra Energy Partners, LP for the year ended December 31, 2010.

/s/ Deloitte & Touche LLP

Houston, Texas

February 28, 2011