Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement No. 333-140088 on Form S-8 of our reports relating to (1) the consolidated financial statements of Regency Energy Partners LP (the “Partnership”) dated March 29, 2007, appearing in this Annual Report on Form 10-K of Regency Energy Partners LP for the year ended December 31, 2006 (which report expresses an unqualified opinion and includes an explanatory paragraph related to the Partnership’s acquisition of TexStar Field Services, L.P. and its general partner, TexStar GP, LLC as acquisitions of entities under common control in a manner similar to a pooling of interests) and (2) the consolidated balance sheet of Regency GP LP at December 31, 2006 included in Exhibit 99.1 in this Annual Report on Form 10-K of Regency Energy Partners LP dated March 29, 2007.

/s/ Deloitte & Touche LLP

Dallas, Texas
March 29, 2007