Exhibit 24 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Paul A. Agathen _______________________________ (SEAL) Paul A. Agathen Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Donald E. Brandt _______________________________ (SEAL) Donald E. Brandt Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Clifford L. Greenwalt _______________________________ (SEAL) Clifford L. Greenwalt Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ John L. Heath _______________________________ (SEAL) John L. Heath Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Robert W. Jackson _______________________________ (SEAL) Robert W. Jackson Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Gordon R. Lohman _______________________________ (SEAL) Gordon R. Lohman Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Richard A. Lumpkin _______________________________ (SEAL) Richard A. Lumpkin Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Hanne M. Merriman _____________________________ (SEAL) Hanne M. Merriman Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Charles W. Mueller _______________________________ (SEAL) Charles W. Mueller Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exechange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ Thomas L. Shade ___________________________ (SEAL) Thomas L. Shade Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper __________________________ Notary Public My commission expires: March 27, 1999 POWER OF ATTORNEY _________________ The undersigned, as a director of Central Illinois Public Service Company, does hereby constitute and appoint G. L. Rainwater and W. A. Koertner, and each of them, his or her true and lawful attorneys and agents, each with full power and authority (acting alone and without the other) to execute in the name and on behalf of the undersigned, in his or her capacity, the Central Illinois Public Service Company Annual Report on Form 10-K for 1997, and any amendments thereto, to be filed under the Securities Exchange Act of 1934, as amended; hereby granting to such attorneys and agents, and each of them, full power of substitution and revocation in the premises; and hereby ratifying and confirming all that such attorneys and agents, or either of them, may do or cause to be done by virtue of this Power of Attorney. IN WITNESS WHEREOF, I have hereunto set my hand and seal this 27th day of March, 1998. /s/ James W. Wogsland ______________________________ (SEAL) James W. Wogsland Subscribed and sworn to before me this 27th day of March, 1998. /s/ Janet K. Cooper _________________________ Notary Public My Commission expires: March 27, 1999