Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ David L. Bodde

David L. Bodde

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared David L. Bodde, to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ Randall C. Ferguson, Jr.

Randall C. Ferguson, Jr.

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared Randall C. Ferguson, Jr., to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ Gary D. Forsee

Gary D. Forsee

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared Gary D. Forsee, to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ John J. Sherman

John J. Sherman

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared John J. Sherman, to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ James A. Mitchell

James A. Mitchell

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared James A. Mitchell, to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ William C. Nelson

William C. Nelson

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared William C. Nelson, to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ Linda H. Talbott

Linda H. Talbott

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared Linda H. Talbott, to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013

Exhibit 24.2

POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS:

          That the undersigned, a Director of Kansas City Power & Light Company, a Missouri corporation, does hereby constitute and appoint Michael J. Chesser or Jaileah X. Huddleston, his true and lawful attorney and agent, with full power and authority to execute in the name and on behalf of the undersigned as such director an Annual Report on Form 10-K and any amendments thereto, hereby granting unto such attorney and agent full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorney and agent may do or cause to be done by virtue of these presents.

          IN WITNESS WHEREOF, I have hereunto set my hand and seal this 7th day of February 2012.

/s/ Thomas D. Hyde

Thomas D. Hyde

STATE OF MISSOURI   COUNTY OF JACKSON ) ) )   ss

          On this 7th day of February 2012, before me the undersigned, a Notary Public, personally appeared Thomas D. Hyde, to be known to be the person described in and who executed the foregoing instrument, and who, being by me first duly sworn, acknowledged that he/she executed the same as his/her free act and deed.

          IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official seal the day and year last above written.

/s/ Annette G. Carter

Notary Public

My Commission Expires:

October 6, 2013