P-5

Ancillary Service Prices, Day Ahead Market

10/08/2004

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)
00:000.380.380.2200.20.20.220
01:000.320.320.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.390.390.2400.20.20.240
06:000.380.380.2750.20.20.275
07:000.150.150.15750.150.150.1575
08:000.350.350.35400.350.350.3540
09:00100.350.3540100.350.3540
10:00100.360.3640100.360.3640
11:00100.350.3516100.350.3516
12:00100.350.3514100.350.3514
13:00100.350.3514100.350.3514
14:00100.330.3314100.330.3314
15:00100.350.3514100.350.3514
16:00100.340.3440100.340.3440
17:00100.190.1940100.190.1940
18:00100.20.216100.20.216
19:00100.320.3216100.320.3216
20:0030.320.321630.320.3216
21:0030.450.454030.450.4540
22:001.990.150.15551.990.150.1555
23:000.380.380.38200.380.380.3820