BALTIMORE GAS & ELECTRIC CO - FORM 10-Q - EX-32.(B) - EXHIBIT 32(B) - November 6, 2009

Attached files

file filename
10-Q - FORM 10-Q - BALTIMORE GAS & ELECTRIC COa2195176z10-q.htm
EX-4.(C) - EXHIBIT 4(C) - BALTIMORE GAS & ELECTRIC COa2195176zex-4_c.htm
EX-4.(B) - EXHIBIT 4(B) - BALTIMORE GAS & ELECTRIC COa2195176zex-4_b.htm
EX-12.(B) - EXHIBIT 12(B) - BALTIMORE GAS & ELECTRIC COa2195176zex-12_b.htm
EX-31.(A) - EXHIBIT 31(A) - BALTIMORE GAS & ELECTRIC COa2195176zex-31_a.htm
EX-12.(A) - EXHIBIT 12(A) - BALTIMORE GAS & ELECTRIC COa2195176zex-12_a.htm
EX-31.(B) - EXHIBIT 31(B) - BALTIMORE GAS & ELECTRIC COa2195176zex-31_b.htm
EX-31.(C) - EXHIBIT 31(C) - BALTIMORE GAS & ELECTRIC COa2195176zex-31_c.htm
EX-32.(A) - EXHIBIT 32(A) - BALTIMORE GAS & ELECTRIC COa2195176zex-32_a.htm
EX-32.(C) - EXHIBIT 32(C) - BALTIMORE GAS & ELECTRIC COa2195176zex-32_c.htm
EX-31.(D) - EXHIBIT 31(D) - BALTIMORE GAS & ELECTRIC COa2195176zex-31_d.htm
EX-32.(D) - EXHIBIT 32(D) - BALTIMORE GAS & ELECTRIC COa2195176zex-32_d.htm

QuickLinks -- Click here to rapidly navigate through this document


Exhibit 32(b)

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Jonathan W. Thayer, Senior Vice President and Chief Financial Officer of Constellation Energy Group, Inc., certify pursuant to 18 U.S.C. Section 1350 adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 that to my knowledge:

        (i)    The accompanying Quarterly Report on Form 10-Q for the quarter ended September 30, 2009 fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and

        (ii)   The information contained in such report fairly presents, in all material respects, the financial condition and results of operations of Constellation Energy Group, Inc.

/s/ JONATHAN W. THAYER
 Jonathan W. Thayer
Senior Vice President and Chief Financial Officer		    

Date: November 6, 2009



QuickLinks