SEC FORM 3/A

SEC Form 3

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
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Guc William J

(Last)

(First)

(Middle)

130 EAST RANDOLPH DRIVE

(Street)

CHICAGO

60601

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
12/01/2010

3. Issuer Name and Ticker or Trading Symbol
INTEGRYS ENERGY GROUP, INC. [ TEG ]

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 of Original Filed (Month/Day/Year)
12/03/2010

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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	561	D⁽¹⁾

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: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units 2008	⁽²⁾	⁽²⁾	Common Stock	808.3327⁽³⁾	⁽⁴⁾	D

Explanation of Responses:

1. The 561 shares were originally reported incorrectly as being held indirectly by the reporting person under the Company's Stock Investment Plan.

2. The restricted stock units vest in four equal annual installments beginning on February 14, 2009.

3. The balance now includes the nondeferred portion of the award which was not reported on the Form 3.

4. Each restricted stock unit represent a contingent right to receive one share of TEG common stock.

Remarks:

-Although the reporting persons Power of Attorney had been properly and timely executed, the form was inadvertently not attached to the Form 3 filing. Therefore, it is being attached as part of the amended filing.

	Dane E. Allen, as Power of Attorney for Mr. Guc	12/23/2010
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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 Number.