FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * BENKERT JEROME A JR   2. Issuer Name and Ticker or Trading Symbol VECTREN CORP [VEC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President and C (Last) (First) (Middle) 20 N. W. FOURTH STREET, P. O. BOX 209 3. Date of Earliest Transaction (Month/Day/Year) 12/31/2005 (Street) EVANSVILLE, IN 47702-0209 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/31/2005   F(1)   2,157 D $ 0 59,202.958 D   Common Stock 12/31/2005   D(2)   3,388 D $ 0 55,814.958 D   Common Stock 01/01/2006 01/03/2006 A(3)   13,000 A $ 0 68,814.958 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BENKERT JEROME A JR 20 N. W. FOURTH STREET P. O. BOX 209 EVANSVILLE, IN 47702-0209			Executive Vice President and C

Signatures

Ronald E. Christian		01/04/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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).
(2)	This disposition represents the performance adjustment forfeiture relating to the January 1, 2003 grant under the Vectren Corporation At Risk Compensation Plan. This grant is exempt under Section 16b-3 and was previiously approved by the board of directors. This grant is subject to forfeiture as provided under the Plan.
(3)	The common stock was acquired pursuant to the Vectren Corporation At Risk Compensation Plan and is subject to forfeiture as provided by the plan and the plan agreement. The lifting of restrictions and the forfeitability provisions are dependent upon performance during a measuring period from January 1, 2006 through December 31, 2008 and continued employment until December 31, 2009. The board of directors approved the acquisition in accordance with Rule 16b-3(d).
(1)	The reporting person elected not to defer restricted stock vesting in 2005, resulting in the sale of securities to cover tax withholding due upon the lifting of restrictions and receipt of shares. This transaction was previously approved by the Compensation and Benefits Committee of the Board of Directors and is exempt under Rule 16b-3.

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