EXHIBIT 3.1 File Number 6091-092-8 FILED ADAMS COUNTY STATE OF ILLINOIS 099086 2000 MAR -9 A 8:46 VOLUME 28 --------- OF Corps. /s/ XXXXXX XXXXXX --------- PAGE 461 COUNTY RECORDER --------- State of Illinois Office of Envelope The Secretary of State Whereas, ARTICLES OF INCORPORATION OF AMEREN ENERGY GENERATING COMPANY INCORPORATED UNDER THE LAWS OF THE STATE OF ILLINOIS HAVE BEEN FILED IN THE OFFICE OF THE SECRETARY OF STATE AS PROVIDED BY THE BUSINESS CORPORATION ACT OF ILLINOIS, IN FORCE JULY 1, A.D. 1984. Now Therefore, I, Jesse White, Secretary of State of the State of Illinois, by virtue of the powers vested in me by law, do hereby issue this certificate and attach hereto a copy of the Application of the aforesaid corporation. In Testimony Whereof, I hereto set my hand and cause to be affixed the Great Seal of the State of Illinois, at the City of Springfield, this 2ND day of MARCH A.D. 2000 and of the Independence of the United States the two hundred and 24TH. [SEAL] /s/ Jesse White Secretary of State C-212.3 Form BCA-2.10 ARTICLES OF INCORPORATION ================================================================================ (Rev. Jan. 1999) Jesse White Secretary of State Department of Business Services Springfield, IL 62756 http://www.sos.state.il.us Payment must be made by certified check, cashier's check, Illinois attorney's check, Illinois C.P.A.'s check or money order, payable to "Secretary of State." This space for use by Secretary of State FILED MAR 2 2000 JESSE WHITE SECRETARY OF STATE SUBMIT IN DUPLICATE! This space for use by Secretary of State Date 3-2-00 Franchise Tax $ 25.00 Filing Fee $ 75.00 ------- $100.00 Approved: /S/ ================================================================================ 1. CORPORATE NAME: Ameren Energy Generating Company ------------------------------------------------------------- ---------------------------------------------------------------------------- (The corporate name must contain the word "corporation," "company," "incorporated," "limited" or an abbreviation thereof.) ================================================================================ 2. Initial Registered Agent: Robert M. Polhman -------------------------------------------------- First Name Middle Initial Last name Initial Registered Office: 700 Jersey -------------------------------------------------- Number Street Suite # Quincy IL Adams 62301 -------------------------------------------------- City County Zip Code ================================================================================ 3. Purpose or purposes for which the corporation is organized: (If not sufficient space to cover this point, add one or more sheets of this size.) The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the Illinois Business Corporation Act. ================================================================================ 4. Paragraph 1: Authorized Shares, Issued Shares and Consideration Received: Number Consideration Number of Shares to be Par Value of Shares Proposed Received Class per Share Authorized to be Issued Therefor -------------------------------------------------------------------------------- Common $ 0 1,000 1,000 $ 1,000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- TOTAL = $1,000 Paragraph 2: The preferences, qualifications, limitations, restrictions and special or relative rights in respect of the shares of each class are: (If not sufficient space to cover this point, add one or more sheets of this size.) (over) 5. OPTIONAL: (a) Number of directors constituting the initial board of directors of the corporation: ______________________. (b) Names and addresses of the persons who are to serve as directors until the first annual meeting of shareholders or until their successors are elected and qualify: Name Residential Address City, State, ZIP ----------------------------------------------------------------- ----------------------------------------------------------------- ----------------------------------------------------------------- ----------------------------------------------------------------- ================================================================================ 6. OPTIONAL: (a) It is estimated that the value of all property to be owned by the corporation for the following year wherever located will be: $ ---------------------- (b) It is estimated that the value of the property to be located within the State of Illinois during the following year will be: $ ---------------------- (c) It is estimated that the gross amount of business that will be transacted by the corporation during the following year will be: $ ---------------------- (d) It is estimated that the gross amount of business that will be transacted from places of business in the State of Illinois during the following year will be: $ ---------------------- ================================================================================ 7. OPTIONAL: OTHER PROVISIONS Attach a separate sheet of this size for any other provision to be included in the Articles of Incorporation, e.g., authorizing preemptive rights, denying cumulative voting, regulating internal affairs, voting majority requirements, fixing a duration other than perpetual, etc. ================================================================================ 8. NAME(S) & ADDRESS(ES) OF INCORPORATOR(S) The undersigned incorporator(s) hereby declare(s), under penalties of perjury, that the statements made in the foregoing Articles of Incorporation are true. Dated February 28, 2000 ------------------------ ---- (Month & Day) Year Signature and Name Address 1. /s/ Steven M. Varhola 1. c/o Jones, Day, Reavis & Pogue, 77 W. Wacker Drive -------------------------------------------------- -------------------------------------------------- Signature Street Steven M. Varhola Chicago, Illinois 60601-1692 -------------------------------------------------- -------------------------------------------------- (Type or Print Name) City/Town State ZIP Code 2. -------------------------------------------------- -------------------------------------------------- Signature Street -------------------------------------------------- -------------------------------------------------- (Type or Print Name) City/Town State ZIP Code 3. -------------------------------------------------- -------------------------------------------------- Signature Street -------------------------------------------------- -------------------------------------------------- (Type or Print Name) City/Town State ZIP Code (Signatures must be in BLACK INK on original document. Carbon copy, photocopy or rubber stamp signatures may only be used on conformed copies.) NOTE: If a corporation acts as incorporator, the name of the corporation and the state of incorporation shall be shown and the execution shall be by its president or vice president and verified by him, and attested by its secretary or assistant secretary. ================================================================================ FEE SCHEDULE . The initial franchise tax is assessed at the rate of 15/100 of 1 percent ($1.50 per $1,000) on the paid-in capital represented in this state, with a minimum of $25. . The filing fee is $75. . The minimum total due (franchise tax + filing fee) is $100. (Applies when the Consideration to be Received as set forth in Item 4 does not exceed $16,667) . The Department of Business Services in Springfield will provide assistance in calculating the total fees if necessary. Illinois Secretary of State Springfield, IL 62756 Department of Business Services Telephone (217) 782-9522 or 782-9523 C-162.20 IL001 - 6/2/99 CT System Online