P-5

Ancillary Service Prices, Day Ahead Market

11/02/2004

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)
00:000.380.380.38200.380.380.3820
01:000.330.330.33200.330.330.3320
02:000.330.330.33200.330.330.3320
03:000.330.330.33200.330.330.3320
04:000.330.330.33200.330.330.3320
05:000.450.450.45500.450.450.4550
06:000.390.390.39800.390.390.3980
07:000.370.370.37750.370.370.3775
08:000.360.360.36750.360.360.3675
09:000.360.360.36500.360.360.3650
10:000.350.350.35500.350.350.3550
11:0030.20.21430.20.214
12:0030.20.21430.20.214
13:0030.20.21430.20.214
14:0030.20.21430.20.214
15:001.990.20.2141.990.20.214
16:0030.20.28030.20.280
17:0050.350.357050.350.3570
18:0030.350.357030.350.3570
19:0050.350.355050.350.3550
20:000.20.20.2500.20.20.250
21:0050.380.387050.380.3870
22:0060.340.345060.340.3450
23:0030.840.842030.840.8420