EXHIBIT 24



                   CERTIFIED COPY OF RESOLUTION ADOPTED AT THE
                  REGULAR MEETING OF THE BOARD OF DIRECTORS OF
                             UNION ELECTRIC COMPANY
                       HELD ON FRIDAY, FEBRUARY 13, 1998


     RESOLVED, that the proper officers and the directors of this Company be and
hereby are  authorized and directed to execute the 1997 Annual Report Form 10- K
("Form  10-K")  and  such  amendments  thereto  as they may  deem  necessary  or
desirable;  that the name of any officer or director of the Company  required to
sign such Form 10-K or any  amendment  thereto,  may be signed by C. W.  Mueller
and/or  Donald E. Brandt  and/or James C.  Thompson,  and/or the duly  appointed
substitute thereof,  pursuant to duly executed powers of attorney providing said
named  persons  with,  among  other  things,  full  power  of  substitution  and
revocation;  and that the officers of this Company be and hereby are  authorized
and  directed  to file  such  Form  10-K  and any  amendments  thereto  with the
Securities and Exchange  Commission  when executed by or on behalf of the proper
officers and the directors of the Company.

                                     I hereby  certify  that the  foregoing is a
                                     true and correct copy of resolution adopted
                                     at the  regular  meeting  of the  Board  of
                                     Directors of Union Electric  Company,  held
                                     pursuant to due notice on Friday,  February
                                     13, 1998 at the General Office  Building of
                                     the Company, St. Louis,  Missouri, and that
                                     such  resolution is still in full force and
                                     effect.

                                     March 25, 1998


                                                           /s/ James C. Thompson
                                                                   Secretary


[Corporate Seal]


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE  PRESENTS:  That the  undersigned  Donald  E.  Brandt
hereby appoints  Charles W. Mueller and/or James C. Thompson the true and lawful
attorneys-in-fact  of the  undersigned,  for and in the name, place and stead of
the  undersigned,  to affix the name of the undersigned as Senior Vice President
(Principal  Accounting and Financial  Officer) of Union Electric  Company to the
1997  Annual  Report Form 10-K and any  amendments  thereto to be filed with the
Securities and Exchange  Commission  under the Securities  Exchange Act of 1934,
and,  for the  performance  of the same acts,  each with power to appoint in his
place and stead and as his  substitute,  one or more  attorneys-in-fact  for the
undersigned,  with full power of revocation; hereby ratifying and confirming all
that said attorneys-in-fact may do by virtue hereof.

IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this 16th
day of March, 1998.

                                                 /s/Donald E. Brandt      (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 16th day of March,  1998, before me, the undersigned  Notary Public
in and for said State,  personally appeared Donald E. Brandt,  known to me to be
the person  described in and who executed  the  foregoing  power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                    /s/ Barbara Lungwitz
                                                        Barbara Lungwitz
                                                   Notary Public - Notary Seal
                                                        STATE OF MISSOURI
                                                        City of St. Louis
                                             My Commission Expires Sept. 2, 1999


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE  PRESENTS:  That the  undersigned  Charles W. Mueller
hereby  appoints  Donald E. Brandt  and/or James C. Thompson the true and lawful
attorneys-in-fact  of the  undersigned,  for and in the name, place and stead of
the  undersigned,  to affix the name of the undersigned as President  (Principal
Executive  Officer) and a Director of Union Electric  Company to the 1997 Annual
Report Form 10-K and any amendments  thereto to be filed with the Securities and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
16th day of March, 1998.

                                            /s/ C. W. Mueller             (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 16th day of March,  1998, before me, the undersigned  Notary Public
in and for said State, personally appeared Charles W. Mueller, known to me to be
the person  described in and who executed  the  foregoing  power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                   /s/ Barbara Lungwitz
                                                       Barbara Lungwitz
                                                  Notary Public - Notary Seal
                                                       STATE OF MISSOURI
                                                       City of St. Louis
                                             My Commission Expires Sept. 2, 1999


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS:  That the undersigned  William E. Cornelius
hereby  appoints  Charles W.  Mueller  and/or  Donald E. Brandt  and/or James C.
Thompson the true and lawful  attorneys-in-fact  of the undersigned,  for and in
the  name,  place  and  stead  of the  undersigned,  to  affix  the  name of the
undersigned  as a Director of Union  Electric  Company to the 1997 Annual Report
Form  10-K and any  amendments  thereto  to be filed  with  the  Securities  and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
16th day of March, 1998.

                                      /s/ W. E. Cornelius                 (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 16th day of March,  1998, before me, the undersigned  Notary Public
in and for said State, personally appeared William E. Cornelius,  known to me to
be the person de- scribed in and who  executed the  foregoing  power of attorney
and  acknowledged  to me that he executed  the same as his free act and deed for
the purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                   /s/ Barbara Lungwitz
                                                       Barbara Lungwitz
                                                    Notary Public - Notary Seal
                                                        STATE OF MISSOURI
                                                        City of St. Louis
                                             My Commission Expires Sept. 2, 1999



                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE  PRESENTS:  That the  undersigned  Thomas H. Jacobsen
hereby  appoints  Charles W.  Mueller  and/or  Donald E. Brandt  and/or James C.
Thompson the true and lawful  attorneys-in-fact  of the undersigned,  for and in
the  name,  place  and  stead  of the  undersigned,  to  affix  the  name of the
undersigned  as a Director of Union  Electric  Company to the 1997 Annual Report
Form  10-K and any  amendments  thereto  to be filed  with  the  Securities  and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
13th day of March, 1998.


                                           /s/ Thomas H. Jacobsen        (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 13th day of March,  1998, before me, the undersigned  Notary Public
in and for said State, personally appeared Thomas H. Jacobsen, known to me to be
the person de- scribed in and who executed the  foregoing  power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                  /s/ Mary M. Huebener
                                                 Mary M. Huebener, Notary Public
                                                     St. Louis County
[Seal]                                              My Commission Expires
                                                       October 6, 2001


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE  PRESENTS:  That the  undersigned  Richard  A.  Liddy
hereby  appoints  Charles W.  Mueller  and/or  Donald E. Brandt  and/or James C.
Thompson the true and lawful  attorneys-in-fact  of the undersigned,  for and in
the  name,  place  and  stead  of the  undersigned,  to  affix  the  name of the
undersigned  as a Director of Union  Electric  Company to the 1997 Annual Report
Form  10-K and any  amendments  thereto  to be filed  with  the  Securities  and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
16th day of March, 1998.

                                        /s/ Richard A. Liddy              (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 16th day of March,  1998, before me, the undersigned  Notary Public
in and for said State,  personally  appeared Richard A. Liddy, known to me to be
the person  described in and who executed  the  foregoing  power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.


                                                     /s/   Betty J. Olscher
                                                  Notary Public - Notary Seal
                                                       State of Missouri
                                                        St. Louis County
                                                My Commission Exp. Mar. 14, 2001


                                                 POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS:  That the undersigned  Paul L. Miller,  Jr.
hereby  appoints  Charles W.  Mueller  and/or  Donald E. Brandt  and/or James C.
Thompson the true and lawful  attorneys-in-fact  of the undersigned,  for and in
the  name,  place  and  stead  of the  undersigned,  to  affix  the  name of the
undersigned  as a Director of Union  Electric  Company to the 1997 Annual Report
Form  10-K and any  amendments  thereto  to be filed  with  the  Securities  and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
16th day of March, 1998.

                                           /s/ Paul L. Miller, Jr.        (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 16th day of March,  1998, before me, the undersigned  Notary Public
in and for said State,  personally  appeared Paul L. Miller, Jr., known to me to
be the person  described in and who executed the foregoing power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                   /s/ Barbara Lungwitz
                                                        Barbara Lungwitz
                                                   Notary Public - Notary Seal
                                                       STATE OF MISSOURI
                                                       City of St. Louis
                                             My Commission Expires Sept. 2, 1999


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE  PRESENTS:  That the  undersigned  Robert  H.  Quenon
hereby  appoints  Charles W.  Mueller  and/or  Donald E. Brandt  and/or James C.
Thompson the true and lawful  attorneys-in-fact  of the undersigned,  for and in
the  name,  place  and  stead  of the  undersigned,  to  affix  the  name of the
undersigned  as a Director of Union  Electric  Company to the 1997 Annual Report
Form  10-K and any  amendments  thereto  to be filed  with  the  Securities  and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
11th day of March, 1998.

                                           /s/ Robert H. Quenon           (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 11th day of March,  1998, before me, the undersigned  Notary Public
in and for said State,  personally appeared Robert H. Quenon,  known to me to be
the person  described in and who executed  the  foregoing  power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                   /s/ Barbara Lungwitz
                                                       Barbara Lungwitz
                                                   Notary Public - Notary Seal
                                                       STATE OF MISSOURI
                                                       City of St. Louis
                                             My Commission Expires Sept. 2, 1999


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE  PRESENTS:  That the  undersigned  Gary L.  Rainwater
hereby  appoints  Charles W.  Mueller  and/or  Donald E. Brandt  and/or James C.
Thompson the true and lawful  attorneys-in-fact  of the undersigned,  for and in
the  name,  place  and  stead  of the  undersigned,  to  affix  the  name of the
undersigned  as a Director of Union  Electric  Company to the 1997 Annual Report
Form  10-K and any  amendments  thereto  to be filed  with  the  Securities  and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
16th day of March, 1998.

                                            /s/ Gary L. Rainwater         (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 16th day of March,  1998, before me, the undersigned  Notary Public
in and for said State, personally appeared Gary L. Rainwater,  known to me to be
the person  described in and who executed  the  foregoing  power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                   /s/ Barbara Lungwitz
                                                       Barbara Lungwitz
                                                  Notary Public - Notary Seal
                                                      STATE OF MISSOURI
                                                      City of St. Louis
                                             My Commission Expires Sept. 2, 1999


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS: That the undersigned Harvey Saligman hereby
appoints Charles W. Mueller and/or Donald E. Brandt and/or James C. Thompson the
true and lawful attorneys-in-fact of the undersigned, for and in the name, place
and stead of the undersigned, to affix the name of the undersigned as a Director
of Union Electric Company to the 1997 Annual Report Form 10-K and any amendments
thereto  to  befiled  with the  Securities  and  Exchange  Commission  under the
Securities Exchange Act of 1934, and, for the performance of the same acts, each
with power to appoint in his place and stead and as his substitute,  one or more
attorneys-in-fact  for the  undersigned,  with full power of revocation;  hereby
ratifying  and  confirming  all that  said  attorneys-in-fact  may do by  virtue
hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set his hand and seal this
11th day of March, 1998.

                                              /s/ Harvey Saligman         (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 11th day of March,  1998, before me, the undersigned  Notary Public
in and for said State,  personally  appeared Harvey Saligman,  known to me to be
the person  described in and who executed  the  foregoing  power of attorney and
acknowledged  to me that he  executed  the same as his free act and deed for the
purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                 /s/ Theresa M. White
                                                     Theresa M. White
                                             Notary Public - State of Missouri
                                                      St. Louis County
                                             My Commission Expires Aug. 10, 2001


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS:  That the undersigned  Janet McAfee Weakley
hereby  appoints  Charles W.  Mueller  and/or  Donald E. Brandt  and/or James C.
Thompson the true and lawful  attorneys-in-fact  of the undersigned,  for and in
the  name,  place  and  stead  of the  undersigned,  to  affix  the  name of the
undersigned  as a Director of Union  Electric  Company to the 1997 Annual Report
Form  10-K and any  amendments  thereto  to be filed  with  the  Securities  and
Exchange  Commission  under the  Securities  Exchange Act of 1934,  and, for the
performance of the same acts,  each with power to appoint in his place and stead
and as his substitute,  one or more attorneys-in-fact for the undersigned,  with
full  power of  revocation;  hereby  ratifying  and  confirming  all  that  said
attorneys-in-fact may do by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has hereunto set her hand and seal this
11th day of March, 1998.


                                          /s/ Janet M. Weakley            (L.S.)

STATE OF MISSOURI             )
                              )  SS.
CITY OF ST. LOUIS             )

     On this 11th day of March,  1998, before me, the undersigned  Notary Public
in and for said State,  personally appeared Janet McAfee Weakley, known to me to
be the person de- scribed in and who  executed the  foregoing  power of attorney
and  acknowledged  to me that she executed the same as her free act and deed for
the purposes therein stated.

     IN TESTIMONY  WHEREOF,  I have hereunto set my hand and affixed my official
seal.

                                                    /s/ Kathleen D. O'Reilly
                                                        Kathleen D. O'Reilly
                                                   Notary Public - Notary Seal
                                                        STATE OF MISSOURI
                                                        St. Louis County
                                              My Commission Expires June 2, 2001