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

Reporting Owners

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

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.