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
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  JANSON JULIA S
2. Date of Event Requiring Statement (Month/Day/Year)
12/13/2007
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)
Sr. VP & Corporate Secretary
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 17,424
D
 
Common Stock 5,066
I
By 401(k)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

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
Phantom Stock   (1)   (1) Common Stock 394 $ (2) D  
Stock Option (Right to Buy)   (3) 01/01/2013 Common Stock 1,391 $ 12.37 D  
Stock Option (Right to Buy)   (4) 01/01/2014 Common Stock 3,432 $ 14.15 D  
Stock Option (Right to Buy)   (4) 01/01/2015 Common Stock 4,680 $ 15.26 D  
Stock Option (Right to Buy)   (5) 01/01/2016 Common Stock 4,836 $ 15.5 D  
Phantom Stock   (6)   (7) Common Stock 920 $ (2) D  
Phantom Stock   (8)   (7) Common Stock 2,520 $ (2) D  
Phantom Stock   (9)   (7) Common Stock 7,750 $ (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
JANSON JULIA S
526 S. CHURCH STREET
CHARLOTTE, NC 28202
      Sr. VP & Corporate Secretary  

Signatures

/s/ David S. Maltz, attorney-in-fact for Julia S. Janson 12/19/2007
**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) Generally payable upon the reporting person's termination of service.
(2) Converts to Common Stock on a 1-for-1 basis.
(3) The reporting person was granted 3,276 options on January 1, 2003. The options vested in three equal annual installments beginning on the first anniversary date of the grant.
(4) All options became exercisable in connection with the April 3, 2006 merger between Duke Energy and Cinergy.
(5) The reporting person was granted 4,836 options on January 1, 2006. The options will vest in three equal annual installments beginning on the first anniversary date of the grant.
(6) The phantom stock vests in 5 equal annual installments beginning on the first anniversary of the grant date.
(7) Expiration date not applicable.
(8) The reporting person was granted 3,150 shares on July 1, 2006. The phantom stock vests in five equal annual installments beginning on April 4, 2007, and each April 4 thereafter.
(9) The reporting person was granted 7,750 shares on March 2, 2007. The phantom stock will vest in three equal annual installments beginning on the first anniversary date of the grant.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.