Since PPT changes twice a year and it does not resolve this scheduling problem, where PST would!  I recommend (PNM-CA/TP) we drop this issue until we can agree on a constant time zone standard (which we will never agree on).

Don Lacen 
Public Service Company of New Mexico 
Transmission Services Coordinator 
Alvarado Square, MS EP11 
Albuquerque, NM, 87158 
505-241-2032 
dlacen@pnm.com 


-----Original Message----- 
From: Franz, Marilyn [<mailto:MFranz@SPPC.com>] 
Sent: Wednesday, October 10, 2001 2:43 PM 
To: Interchange Scheduling & Accounting Subcommittee (ISAS) 
Subject: RE: Scheduling Time constant 


SPPC Transmission would like to go forward with PPT as a common scheduling 
time for the same reasons the expressed by WMIC. 

Also, attached are the minutes for the Vancouver meeting. 

Thanks, 
Marilyn Franz 
Sierra Pacific Power Transmission 
775-834-4322 

-----Original Message----- 
From: Hackney, Mark W(Z39911) [<mailto:Mark.Hackney@aps.com>] 
Sent: Wednesday, October 10, 2001 11:01 AM 
To: Interchange Scheduling & Accounting Subcommittee (ISAS) 
Subject: Scheduling Time constant 


It's been brought to my attention that we never resolved the issue of the 
common scheduling time (no Freudian slip on the acronym).  The group agreed 
to a PST value in July, but we wanted to survey the OC and WMIC first before 
going further.  That was to be one of our topic in Vancouver.  Well.... 

So, I'd like to get a feel from the group: the survey leaned toward Pacific 
Prevailing Time as that match up with energy products, so.. continue to go 
forward with PST as in July, modify our suggestion to PPT or drop all 
together and wait to see if NERC is going to come up with something.  If we 
decide to go with either PST or PPT, I will get the OC Steering to help with 
clarification on this as a due process item or an item that can be brought 
to the OC for vote in 2002.  In addition, I would think that most would 
agree that implementation if it takes affect would be favorable at the April 
2002 time change, so that is my suggestion that we use, if ISAS goes forward 
with the request to the OC. 

Please get back with your thought by next Wednesday so I can put together 
something for the upcoming OC meetings. 

Mark W. Hackney 
Section Leader 
Pre and Real-time Transmission Scheduling 
APS OATT Administration 
Arizona Public Service Company 
602.250.1128 - Office 
602.908.1423 - Cell 
602.250.1155 - Fax 
<mailto:Mark.Hackney@aps.com> 
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