P-5

Ancillary Service Prices, Day Ahead Market

11/22/2004

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
05:000.840.840.84500.840.840.8450
06:000.990.450.45550.990.450.4555
07:000.320.320.32750.320.320.3275
08:000.990.20.2750.990.20.275
09:001.990.320.32351.990.320.3235
10:0050.20.23550.20.235
11:001.990.20.2141.990.20.214
12:0030.20.21430.20.214
13:0030.20.21430.20.214
14:0030.20.21430.20.214
15:000.20.20.2140.20.20.214
16:0050.20.217.4950.20.217.49
17:0070.50.59970.50.599
18:0050.50.59950.50.599
19:0070.50.59970.50.599
20:0050.360.369950.360.3699
21:000.990.450.4517.490.990.450.4517.49
22:001.990.20.217.491.990.20.217.49
23:0050.380.382050.380.3820