Duke Energy Progress S-3ASR Automatic shelf registration

Exhibit No. 23(c)(1)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated February 28, 2012, relating to the financial statements and financial statement schedule of Florida Power Corporation d/b/a Progress Energy Florida, Inc., appearing in the Annual Report on Form 10-K of Florida Power Corporation d/b/a Progress Energy Florida, Inc., for the year ended December 31, 2011, and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.

/s/ Deloitte & Touche LLP

Raleigh, North Carolina

February 29, 2012