Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement No. 333-132933 of Duke Energy Corporation on Form S-8 of our report relating to the financial statements and supplementary information of the Duke Energy Retirement Savings Plan dated June 15, 2012, appearing in this Annual Report on Form 11-K for the year ended December 31, 2011.
/s/ McCONNELL & JONESLLP |
Houston, Texas |
June 15, 2012 |