EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      Lawrence T.
      Borgard


Lawrence
      T.
      Borgard


Director





EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      Thomas P. Meinz


Thomas
      P.
      Meinz


Director








EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      P. M. Mikulsky


Phillip
      M.
      Mikulsky


Director





EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      Thomas A. Nardi


Thomas
      A.
      Nardi


Director





EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      Joseph P. O'Leary


Joseph
      P.
      O'Leary


Director





EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      Desiree G. Rogers


Desiree
      G.
      Rogers


Director

















EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      Charles A.
      Schrock


Charles
      A.
      Schrock


Director








EXHIBIT
      24




















POWER
      OF
      ATTORNEY








WHEREAS,
      WISCONSIN
      PUBLIC SERVICE CORPORATION, a Wisconsin corporation, will file on or before
      the
      due date of February 29, 2008 with the Securities and Exchange Commission,
      under
      the provisions of the Securities Exchange Act of 1934, an annual report on
      Form
      10-K, and





WHEREAS,
      the
      undersigned is a Director of Wisconsin Public Service Corporation;





NOW,
      THEREFORE, the
      undersigned hereby constitutes and appoints Joseph P. O'Leary,
      Bradley A. Johnson, Diane L. Ford, and Barth J. Wolf or any one of
      them, as attorney, with full power to act for the undersigned and in the name,
      place and stead of the undersigned, to sign the name of the undersigned as
      Director to said annual report on Form 10-K and any and all amendments to said
      annual report, hereby ratifying and confirming all that said attorney may or
      shall lawfully do or cause to be done by virtue hereof.





IN
      WITNESS WHEREOF, the undersigned has executed this document this 14th
      day of February,
      2008.


























/s/
      Larry L. Weyers


Larry
      L.
      Weyers


Director