Registration No. 33-51699 ================================================================= SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ------------- FORM S-3 POST-EFFECTIVE AMENDMENT NO. 1 TO REGISTRATION STATEMENT under the Securities Act of 1933 ------------- AVISTA CORPORATION formerly known as THE WASHINGTON WATER POWER COMPANY (Exact name of registrant as specified in its charter) Washington 91-0462470 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 1411 East Mission Avenue Spokane, Washington 99202 (509) 495-0500 (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices) J.E. ELIASSEN J. ANTHONY TERRELL Senior Vice President Thelen Reid & Priest LLP and Chief Financial Officer 40 West 57th Street Avista Corporation New York, New York 10019 1411 East Mission Avenue (212) 603-2000 Spokane, Washington 99202 (509) 495-0500 It is respectfully requested that the Commission send copies of all notices, orders and communications to: John E. Baumgardner, Jr. Sullivan & Cromwell 125 Broad Street New York, New York 10004 (212)558-4000 (Name, address, including zip code, and telephone number, including area code, of agent of service) -------------WITHDRAWAL FROM REGISTRATION The Company hereby withdraws from registration $89,000,000 principal amount of the First Mortgage Bonds of the Company registered under File No. 33-51699 and remaining unissued at December 31, 1998, with the following result: First Mortgage Bonds registered under File No. 33-51699 $250,000,000 First Mortgage Bonds previously issued $161,000,000 ------------ First Mortgage Bonds withdrawn from registration $ 89,000,000 ------------ The Company hereby withdraws the First Mortgage Bonds from registration pursuant to the Company's undertaking, included in the Registration Statement No. 33-51699 as required by Item 512(a)(3) of Regulation S-K, to remove from registration by means of a post-effective amendment any registered securities which remain unsold at the termination of an offering. The offering of the First Mortgage Bonds has been terminated. -1- SIGNATURES Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this Post-Effective Amendment No. 1 to Registration Statement No. 33-51699 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Spokane, State of Washington, on December 31, 1998. THE WASHINGTON WATER POWER COMPANY By:/s/ J.E. Eliassen ----------------------------------- Name: J.E. Eliassen Title: Senior Vice President and Chief Financial Officer Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 1 to Registration Statement No. 33-51699 has been signed by the following persons in the capacities and on the date indicated. Signature Title Date --------- ----- ---- /s/ T.M. Matthews --------------------- Principal Executive December 31, 1998 T.M. Matthews Officer (Chairman of the Board, and Director President and Chief Executive Officer) /s/ J.E. Eliassen -------------------- Principal Financial December 31, 1998 J.E. Eliassen and (Senior Vice President Accounting Officer and Chief Financial Officer) David A. Clack, Eugene W. Meyer, Directors December 31, 1998 Larry A. Stanley and R. John Taylor * By /s/ J.E. Eliassen ------------------- J.E. Eliassen (Attorney-in Fact) -2-