Exhibit 31(d)
CERTIFICATION
I, Mark F. Mulhern, certify that:
| 1. | I have reviewed this Amendment No. 1 on Form 10-K/A to the Annual Report on Form 10-K of Progress Energy, Inc. as filed with the Securities and Exchange Commission on February 29, 2012; and | |
| 2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report. | |
| Date: March30, 2012 | By:/s/ Mark F. Mulhern |
| Mark F. Mulhern | |
| Senior Vice President and Chief Financial Officer |
