Exhibit 10(h)-5 FOURTH SUPPLEMENT TO THE CAPACITY AND ENERGY SALES AGREEMENT FROM PENNSYLVANIA POWER & LIGHT COMPANY (PP&L) TO BALTIMORE GAS & ELECTRIC COMPANY (BG&E) 	Fourth Supplement (Fourth Supplemental Agreement) dated July 2, 1992 to the Capacity and Energy Sales Agreement (Basic Agreement), dated January 28, 1988, as supplemented by a First Supplemental Agreement dated August 10, 1988, and by a Third Supplemental Agreement dated May 24, 1991 between Pennsylvania Power & Light Company and Baltimore Gas & Electric Company. 	1. This supplemental agreement shall become effective on June 1, 1992, unless otherwise ordered by the Federal Energy Regulatory Commission. The terms and conditions of the Basic Agreement, as supplemented by the First Supplemental Agreement and the Second Supplemental Agreement, and the Third Supplemental Agreement, shall remain in full force and effect, except as amended herein. 	2. Exhibit C Revision No. 2 shall be amended to read: 	 "The Installed Capacity Rate shall be $193 per megawatt per day." 	 Such amended Exhibit C Revision No. 2 is reflected on Exhibit C Revision No. 3, attached hereto and made a part hereof, which supersedes Exhibit C Revision No. 2. PENNSYLVANIA POWER & LIGHT COMPANY By: ___/s/_______________________ WITNESS: Name: __F. A. Long________________ Sr. Vice President- System Power & _________________________ Title:__Engineering_______________ Cheryl D. Cincilla BALTIMORE GAS AND ELECTRIC COMPANY By: __/s/________________________ WITNESS: Name: __Herbert D. Coss, Jr.______ Vice President-Electric Interconnection & _________________________ Title: _Transmission______________ EXHIBIT C REVISION NO. 3 INSTALLED CAPACITY RATE 	The Installed Capacity Rate shall be $193 per megawatt per day.