August 19, 1998

The Honorable David P. Boergers
Secretary
Federal Energy Regulatory Commission
888 First Street, N.E.
Washington, D.C.  20426

Re:	AES Redondo Beach, LLC, Docket No. ER98-2843-000; AES Huntington Beach, LLC, Docket No. ER98-2844-000; AES Alamitos, LLC, Docket No. ER98-2883-000; Long Beach Generation, LLC, Docket No. ER98-2972-000; El Segundo Power, LLC, Docket No. ER98-2971-000; Ocean Vista Power Generation, LLC, Mountain Vista Power Generation, LLC; Alta Power Generation, LLC; Oeste Power Generation, LLC; Ormond Beach Power Generation, LLC, Docket No. ER98-2977-000

Dear Secretary Boergers:

	Enclosed please find an original and fourteen copies of the “Preliminary Report on ISO’s Ancillary Services Market” of the California ISO Market Surveillance Committee prepared in compliance with the Commission’s July 17, 1998, Order in the above-identified proceedings. 

	Also enclosed is a form of notice, in hard-copy and electronic form, and an additional copy of the letter.  I would appreciate your having the additional copy stamped with the date and returning it to the messenger.

						Yours truly,

						Michael E. Ward
						Counsel for the California ISO

(Enclosures)