P-5

Ancillary Service Prices, Day Ahead Market

12/03/2004

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
01:000.360.360.36200.360.360.3620
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.360.360.36200.360.360.3620
05:000.840.840.84550.840.840.8455
06:0050.450.455550.450.4555
07:0050.20.29550.20.295
08:00120.20.295120.20.295
09:00120.20.235120.20.235
10:00120.20.235120.20.235
11:0050.20.21450.20.214
12:0050.20.21450.20.214
13:0050.20.21450.20.214
14:0050.20.21450.20.214
15:0050.20.21450.20.214
16:00120.20.265120.20.265
17:00120.330.3335120.330.3335
18:00120.330.3317.49120.330.3317.49
19:0050.330.3317.4950.330.3317.49
20:00120.330.3317.49120.330.3317.49
21:001.990.350.35701.990.350.3570
22:001.990.20.2651.990.20.265
23:000.450.450.45200.450.450.4520