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 *   GOOD LYNN J 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) Vice President and Treasurer 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 12,436.2 (1) D   Common Stock 2,244.672 (1) I By 401(k) Common Stock 3,987.0574 (1) I By Spouse

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
Phantom Stock	  (2)	  (2)	Common Stock	534.158 (1)	$ (3)	D	Â
Stock Option (Right to buy)	07/22/2006	07/22/2013	Common Stock	31,980 (1)	$ 21.946	D	Â
Stock Option (Right to buy)	01/01/2007	01/01/2014	Common Stock	14,664 (1)	$ 24.837	D	Â
Stock Option (Right to buy)	01/01/2008	01/01/2015	Common Stock	15,132 (1)	$ 26.788	D	Â
Stock Option (Right to buy)	12/14/2008	12/14/2015	Common Stock	3,588 (1)	$ 26.907	D	Â
Stock Option (Right to buy)	01/01/2009	01/01/2016	Common Stock	24,336 (1)	$ 27.208	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GOOD LYNN J 526 S. CHURCH STREET CHARLOTTE, NC 28202	Â	Â	  Vice President and Treasurer	Â

Signatures

By: David S. Maltz, attorney-in-fact		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, Cinergy Corp. ('Issuer') merged into a wholly-owned subsidiary of Duke Energy Holding Corp. (now known as Duke Energy Corporation) ('Duke Energy'). In connection with the merger, each share of Issuer's common stock was converted into the right to receive 1.56 shares of Duke Energy's common stock and each stock option of Issuer was converted by multplying the number of Issuer shares previously covered by the option by 1.56 and dividing the prior exercise price of the option by 1.56.
(2)	Generally payable upon reporting person's termination of service.
(3)	The derivative security converts into common stock on a one-for-one basis and will be settled in stock.

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