P-5

Ancillary Service Prices, Day Ahead Market

12/01/2004

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)
00:000.450.450.45200.450.450.4520
01:000.30.30.3200.30.30.320
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.30.30.3200.30.30.320
05:000.840.840.84550.840.840.8455
06:0030.450.455530.450.4555
07:0040.20.27040.20.270
08:0050.20.27050.20.270
09:0050.20.23550.20.235
10:0050.20.23550.20.235
11:0050.20.21450.20.214
12:0050.20.21450.20.214
13:0050.20.21450.20.214
14:0050.20.21450.20.214
15:0040.20.21440.20.214
16:0050.20.24050.20.240
17:0050.350.354050.350.3540
18:0050.350.353550.350.3535
19:0050.330.3317.4950.330.3317.49
20:0050.330.3317.4950.330.3317.49
21:001.990.360.36701.990.360.3670
22:000.20.20.2650.20.20.265
23:000.450.450.45200.450.450.4520