P-5

Ancillary Service Prices, Day Ahead Market

08/18/2003

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)
00:001.251.251.25251.251.251.2525
01:001.11.11.1251.11.11.125
02:000.60.60.6250.60.60.625
03:000.60.60.6190.60.60.619
04:000.60.60.6190.60.60.619
05:000.60.60.6190.60.60.619
06:001.11.11.1191.11.11.119
07:002.20.550.55102.20.550.5510
08:003.250.550.55143.250.550.5514
09:003.250.550.55143.250.550.5514
10:003.251.641.64143.251.641.6414
11:003.2522103.252210
12:003.252.522.52143.252.522.5214
13:00102.522.3914102.522.3914
14:00102.522142.22214
15:00102.522142.22214
16:00102.522142.22214
17:003.252.521.64142.21.641.6414
18:003.252.521.64142.21.641.6414
19:003.252.521.4142.21.41.414
20:00101.421.4219.5101.421.4219.5
21:00100.550.5519.5100.550.5519.5
22:00100.550.5519.5100.550.5519.5
23:00101.481.4819.51.481.481.4819.5