Exhibit 23.1
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM CONSENT
We consent to the incorporation by reference in Registration Statement Nos. 333-59279 and 333-34655 on Form S-8 of our report dated June 27, 2005, appearing in this Annual Report on Form 11-K of Duke Energy Retirement Savings Plan for the year ended December 31, 2004.
Charlotte, North Carolina
/s/ DELOITTE & TOUCHE LLP
June 29, 2005