SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 ------------------------------------ Form 8-K/A-1 CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report: April 26, 1999 TRIGEN ENERGY CORPORATION Delaware 1-13264 13-3378939 - ---------- -------------- ------------- State or other Commission File No. IRS Employer Jurisdiction of Identification No. Incorporation One Water Street White Plains, NY 10601-1009 - ------------------ ----------- Address of Principal Zip Code Executive Offices 914-286-6600 ---------------- Registrant's Telephone Number We are filing this Current Report on Form 8-K/A-1 to correct the filing date which appeared on the cover sheet of our Current Report on Form 8-K dated April 26, 1999. We incorrectly stated a date of "April 26, 1998" on the cover sheet of that report and we hereby delete that date and insert the correct date of "April 26, 1999". We will amend our Current Report on Form 8-K dated April 26, 1999 again before the end of June to file financial statements and pro forma financial information regarding our acquisition of additional partnership interests in the Grays Ferry Cogeneration Partnership. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. TRIGEN ENERGY CORPORATION Date: June 9, 1999 By: /s/ Martin S. Stone ------------------------------- Martin S. Stone, Vice President and Chief Financial Officer