P-5

Ancillary Service Prices, Day Ahead Market

11/20/2004

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)
00:000.990.840.84200.990.840.8420
01:000.370.370.37200.370.370.3720
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.30.30.3200.30.30.320
05:000.370.370.37350.370.370.3735
06:000.840.840.84550.840.840.8455
07:000.20.20.2750.20.20.275
08:000.990.20.2750.990.20.275
09:0050.20.23550.20.235
10:0050.20.23550.20.235
11:0050.20.21450.20.214
12:0050.20.21450.20.214
13:0030.20.21430.20.214
14:0030.20.21430.20.214
15:0030.20.21430.20.214
16:0050.20.27550.20.275
17:00120.20.265120.20.265
18:0050.20.26550.20.265
19:0050.20.23550.20.235
20:0050.20.23550.20.235
21:0050.20.23550.20.235
22:000.20.20.2350.20.20.235
23:000.450.450.45200.450.450.4520