P-5

Ancillary Service Prices, Day Ahead Market

06/30/2003

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:001.51.51.26601.51.51.2660
01:001.51.51.26601.51.51.2660
02:001.51.51.2431.51.51.243
03:001.51.51.216.81.51.51.216.8
04:001.51.51.216.81.51.51.216.8
05:001.51.51.216.81.51.51.216.8
06:001.451.451.2616.81.451.451.2616.8
07:001.251.251.259.81.251.251.259.8
08:003.51.251.25883.51.251.2588
09:003.251.251.25883.251.251.2588
10:003.50.980.98883.50.980.9888
11:003.51.251.25603.51.251.2560
12:003.51.251.25603.51.251.2560
13:002.81.251.259.82.81.251.259.8
14:002.81.251.259.82.81.251.259.8
15:002.81.251.259.82.81.251.259.8
16:002.81.251.259.82.81.251.259.8
17:003.251.251.259.83.251.251.259.8
18:003.251.251.259.83.251.251.259.8
19:003.251.251.259.83.251.251.259.8
20:0031.251.259.831.251.259.8
21:002.81.251.259.82.81.251.259.8
22:0031.251.252231.251.2522
23:0031.451.42222.81.421.4222