Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  dawson felix jehl
2. Date of Event Requiring Statement (Month/Day/Year)
08/25/2005
3. Issuer Name and Ticker or Trading Symbol
CONSTELLATION ENERGY GROUP INC [CEG]
(Last)
(First)
(Middle)
750 E. PRATT STREET
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Co-President & Co-CEO, CECG
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BALTIMORE, MD 21202
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 111,159
D (1)
 
Common Stock 680.135
I
By 401(k) Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee stock option (right to buy)   (2) 11/12/2011 Common Stock 5,000 $ 25.08 D  
Employee stock option (right to buy)   (3) 05/02/2013 Common Stock 14,900 $ 28.81 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
dawson felix jehl
750 E. PRATT STREET
BALTIMORE, MD 21202
      Co-President & Co-CEO, CECG  

Signatures

Felix J. Dawson 09/06/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This amount represents 101,969 shares of common stock and 9,190 restricted stock units. In addition, this amount includes shares obtained through reinvested dividends.
(2) Remaining balance on option granted on 11/12/01, which vested in two installments - 38,000 on 7/1/02 and 57,000 on 7/1/03. The first installment was exercised and sold, and 52,000 shares of the second installment were exercised and sold prior to the reporting person becoming an insider subject to Section 16.
(3) Option granted on 5/2/03 vests in three equal installments commencing on 5/2/04. The second installment vested on 5/2/05, and the third installment will vest on 5/2/06.

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