P-5

Ancillary Service Prices, Day Ahead Market

01/10/2004

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)
00:003.250.50.5253.250.50.525
01:000.390.390.39250.390.390.3925
02:000.390.390.39200.390.390.3920
03:000.390.390.39200.390.390.3920
04:000.390.390.39200.390.390.3920
05:000.390.390.39250.390.390.3925
06:002.511252.51125
07:003.250.20.2253.250.20.225
08:00100.20.225100.20.225
09:00100.20.225100.20.225
10:00100.20.211100.20.211
11:003.250.20.2113.250.20.211
12:003.250.20.2113.250.20.211
13:003.250.20.2113.250.20.211
14:003.250.190.19113.250.190.1911
15:003.250.190.19113.250.190.1911
16:00100.180.1825100.180.1825
17:00100.20.226100.20.226
18:00100.20.226100.20.226
19:003.250.20.2253.250.20.225
20:00100.20.225100.20.225
21:00100.190.1925100.190.1925
22:00100.20.225100.20.225
23:003.250.40.4253.250.40.425