P-5

Ancillary Services Prices, Day Ahead Market

08/18/2007

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)
00:000.840.840.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.246.040.20.20.246.04
04:000.20.20.247.080.20.20.247.08
05:000.20.20.246.710.20.20.246.71
06:000.20.20.279.180.20.20.279.18
07:000.50.50.589.760.50.50.589.76
08:000.50.50.555.10.50.50.555.1
09:006.233.07155.56.233.07155.5
10:0073.050.55573.050.555
11:0073.050.55573.050.555
12:009.293.050.55570.760.555
13:009.553.050.55570.50.555
14:009.553.050.55570.50.555
15:009.553.050.55570.50.555
16:009.533.030.55570.50.555
17:007.943.02155.57.52.58155.5
18:0073.020.55573.020.555
19:0073.020.55573.020.555
20:0010.753.02158.7510.753.02158.75
21:007.53.05155.57.53.05155.5
22:0070.50.54570.50.545
23:0011145.7511145.75