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 *
  Rolfe Christopher C
2. Date of Event Requiring Statement (Month/Day/Year)
04/03/2006
3. Issuer Name and Ticker or Trading Symbol
Duke Energy CORP [DUK]
(Last)
(First)
(Middle)
526 S. CHURCH STREET
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Grp Exec & Chief HR Offr
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CHARLOTTE, NC 28202
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 (1) 10,505
D
 
Common Stock (1) 19,923
I
By Trustee, Retirement Savings 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
LTIP Phantom Stock Grant Feb 2004 (1)   (2)   (3) Common Stock 8,562 $ (4) D  
LTIP Phantom Stock Grant Feb 2005 (1)   (2)   (3) Common Stock 9,336 $ (4) D  
Phantom Stock ESP I (1)   (5)   (3) Common Stock 21,326 $ (4) I By Trustee, Executive Savings Plan I
Phantom Stock ESP II (1)   (6)   (3) Common Stock 794 $ (4) I By Trustee, Executive Savings Plan II
Stock Option (Right to Buy) (1) 02/17/2002 02/17/2008 Common Stock 3,200 $ 27.63 D  
Stock Option (Right to Buy) (1) 02/17/2003 02/17/2009 Common Stock 17,400 $ 29.66 D  
Stock Option (Right to Buy) (1) 12/20/2003 12/20/2009 Common Stock 38,000 $ 24.88 D  
Stock Option (Right to Buy) (1) 12/20/2004 12/20/2010 Common Stock 35,600 $ 42.81 D  
Stock Option (Right to Buy) (1) 12/19/2005 12/19/2011 Common Stock 40,600 $ 37.68 D  
Stock Option (Right to Buy) (1) 01/17/2002 01/17/2012 Common Stock 15,100 $ 38.33 D  
Stock Option (Right to Buy) (1) 01/28/2003 01/28/2013 Common Stock 4,500 $ 17.1 D  
Stock Option (Right to Buy) (1)   (7) 02/25/2013 Common Stock 48,800 $ 13.77 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Rolfe Christopher C
526 S. CHURCH STREET
CHARLOTTE, NC 28202
      Grp Exec & Chief HR Offr  

Signatures

By: Robert T. Lucas III, Attorney-in-fact for 04/13/2006
**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) On April 3, 2006, Duke Power Company, LLC, formerly known as Duke Energy Corporation (Predecessor), merged into a wholly-owned subsidiary of Duke Energy Corporation, formerly known as Duke Energy Holding Corp. (Issuer). In connection with the merger, each share of Predecessor's common stock was converted into the right to receive one share of Issuer's common stock.
(2) The phantom stock vests in 5 equal annual installments beginning on the first anniversary of the grant date.
(3) Expiration date not applicable.
(4) Converts to Common Stock on a 1-for-1 basis.
(5) Payable upon termination of employment or occurrence of other events as specified in the Executive Savings Plan I.
(6) Payable upon termination of employment or occurrence of other events as specified in the Executive Savings Plan II, subject to holding periods required by law.
(7) Final installment of one-fourth of the original grant vests on February 25, 2007; remainder fully vested as of February 25, 2006.

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