From: 	Kuebeck, Peter  
Sent:	Tuesday, May 13, 2003 11:25 AM
To:	Morphis, Kim
Cc:	Perkins Jr, Mel; Ernst Jr, Everett
Subject:	Generation - May 13 2003

From time to time, the generation mix is not advantageous to reliable 
operation of the transmission system from a line loading and voltage 
control perspective. We appear to be in such a period, with the outage 
of generation in the west side of OKC. At these seasonal load levels 
from 3000 to 4000 MW, we have substantial loading of certain lines in 
NW Oklahoma City, which will require a shift from economic dispatch to 
relieve loading on some 138 kV lines.

The generation shift factors are included in the table below - counter 
flows are (negative) and flows are positive. The units that will be 
redispatched to reduce flows are the highest positive impacts - namely 
Sooner 2. HSL and Tinker provide the best counter flow per MW of on-line 
generation. Off system, McClain provides the highest impact counter flow.

I recommend that you move at your best pace, to get Mustang or Dayton 
on-line. With Sooner having a 4.9% impact, it will require a lot of MW 
redispatch to operate reliabily. A hundred MW at Smith or Mustang is 
worth 300-400 at Sooner for line loading purposes.

Pete


 
OKGE_MUSTNG3G20.9_1	-18	   
OKGE_SMITH 1G13.8_1	-16.7	   
OKGE_MUSTNG1G14.0_1	-15.2	   
MCLN_DUKE 118.0_1	-9.2	   
OKGE_TINKER5G13.8_2	-5.1	   
OKGE_HSL 7G13.2_1	-2.9	   
OKGE_SEMINL1G20.9_1	-2.3	   
OKGE_HSL 9G13.8_1	-2	   
OKGE_SEMINL2G17.1_1	-1.9	   
OKGE_SEMINL3G20.9_1	-1.9	   
OKGE_SO4THG 13.2_4	-0.3	   
OKGE_AES 2G13.8_1	0.3	   
OKGE_MUSKOG3G17.1_1	0.5	   
OKGE_MUSKOG4G18.0_1	0.8	   
OKGE_OMKAW 269.0_1	2.6	   
OKGE_OMPONCA269.0_1	2.6	   
OKGE_CONTEMPG13.2_1	2.7	   
OKGE_SOONER1G22.0_1	3.8	   
OKGE_SOONER2G20.0_1	4.9	   
OKGE_REDBUDG418.0_2	8.4	   
OKGE_ONEOK1&213.8_1	13.9