P-5

Ancillary Service Prices, Day Ahead Market

01/11/2004

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)
00:000.350.350.35200.350.350.3520
01:000.350.350.35200.350.350.3520
02:000.350.350.35200.350.350.3520
03:000.350.350.35200.350.350.3520
04:000.350.350.35200.350.350.3520
05:000.350.350.35200.350.350.3520
06:001.990.50.5201.990.50.520
07:001.750.20.2111.750.20.211
08:0030.20.21130.20.211
09:00100.20.211100.20.211
10:00100.20.225100.20.225
11:00100.20.225100.20.225
12:00100.20.225100.20.225
13:0030.20.22530.20.225
14:0030.20.22530.20.225
15:0030.20.22530.20.225
16:0030.20.22530.20.225
17:00100.20.226100.20.226
18:00440.20.226440.20.226
19:00100.20.225100.20.225
20:00100.20.225100.20.225
21:00100.20.225100.20.225
22:00100.20.225100.20.225
23:0030.450.452530.450.4525