P-5

Ancillary Service Prices, Day Ahead Market

12/29/2004

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)
00:000.50.50.5200.50.50.520
01:000.50.50.5200.50.50.520
02:000.50.50.5200.50.50.520
03:000.50.50.5200.50.50.520
04:000.50.50.5200.50.50.520
05:001.750.990.99201.750.990.9920
06:0030.990.992030.990.9920
07:0030.380.382030.380.3820
08:0030.370.372030.370.3720
09:0030.370.371430.370.3714
10:0030.350.351430.350.3514
11:001.990.350.35141.990.350.3514
12:001.750.350.35141.750.350.3514
13:001.750.340.34141.750.340.3414
14:001.750.350.35141.750.350.3514
15:001.750.350.35141.750.350.3514
16:00120.330.3320120.330.3320
17:00120.390.3920120.390.3920
18:00120.390.3920120.390.3920
19:00120.390.3920120.390.3920
20:00120.330.3320120.330.3320
21:00120.330.3320120.330.3320
22:0030.340.341430.340.3414
23:001.990.990.99201.990.990.9920