20000309Young Cover Letter_cc4.doc

VIA FED EX

March 9, 2000

Honorable H. Peter Young
Federal Energy Regulatory Commission
888 First Street, N.E.
Washington, DC 20426

Re: Arizona Public Service Company v. Idaho Power Company
Docket No. EL99-44-003

Dear Judge Young:

Please find enclosed for filing in the above referenced docket are two (2) copies of the Reply Brief of the Idaho Public Utilities Commission filed pursuant to Order.

Sincerely,

Cheri C. Copsey
Deputy Attorney General

Enclosures

cc: David P. Boergers, FERC
Service List