SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934 Date of Report(Date of earliest event reported): October 12, 1999 YANKEE ENERGY SYSTEM, INC. - ----------------------------------------------------------------- (Exact name of registrant as specified in its charter) Connecticut 0-17605 06-1236430 - ----------------------------------------------------------------- (State or other (Commission (IRS Employer jurisdiction of File Number) Identification No.) incorporation) 599 Research Parkway, Meriden, Connecticut, 06450-1030 - ----------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (203)639-4000 n/a - ----------------------------------------------------------------- (Former name or address, if changed since last report) ITEM 5 - Other Events On October 12, 1999, Yankee Energy System, Inc., a Connecticut corporation (the "Company"), held a Special Meeting of shareholders to approve an Agreement and Plan of Merger dated June 14, 1999 (the "Merger Agreement") between the Company and Northeast Utilities, a Massachusetts business trust. The Company's shareholders voted to approve the Merger Agreement. The press release issued in connection therewith is filed herewith as Exhibit 99(a) and is incorporated herein by reference. ITEM 7 - FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS The following exhibit is filed as part of this report: 99(a)	Press Release dated October 12, 1999. SIGNATURE Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. YANKEE ENERGY SYSTEM, INC. By: /s/ Mary J. Healey Dated: October 27, 1999 --------------------------- Mary J. Healey Vice President, General Counsel and Secretary EXHIBIT INDEX EXHIBIT NUMBER				DESCRIPTION - -------------------------------------------------------------------- 99(a)		Press Release dated October 12, 1999.