September 29, 1999

The Honorable Crystal Reynolds
Secretary
State of Nevada
Public Utilities Commission of Nevada
1150 E. William Street
Carson City, NV 98701-3109

Re:	Application of Nevada Power Company, Sierra Pacific Company, and 		Sierra Resources for approval of agreement and plan of merger	
	Docket No. 98-7023

Dear Secretary Reynolds:

	Enclosed please find for filing an original and nine (9) copies of the Late-Filed Petition for Leave to Intervene of the California Independent System Operator Corporation and Request for Designation of Additional Issues in the above captioned proceeding.

	Please time and date stamp the two (2) additional copies of this document and return them via the self-addressed stamped envelope that has been provided.  

						Sincerely,

						Scott P. Klurfeld

Enclosures