EXHIBIT 23

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in this Registration
Statement on Form S-8 of our report dated February 1, 2002 relating to the
financial statements, which appears in Ameren Corporation's Current Report on
Form 8-K dated February 14, 2002. We also consent to the incorporation by
reference of our report dated February 1, 2002 relating to the financial
statement schedule, which appears in Ameren Corporation's Annual Report on Form
10-K for the year ended December 31, 2001.


/s/ PricewaterhouseCoopers LLP

PRICEWATERHOUSECOOPERS LLP
St. Louis, Missouri
November 26, 2002