Exhibit 31(e)

EXELON CORPORATION

CERTIFICATION

I, Christopher M. Crane, certify that:

1.                                      I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K of Constellation Energy Group, Inc.; 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.