P-5

Ancillary Services Prices, Day Ahead Market

02/25/2007

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)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.840.840.25500.250.250.2550
06:000.250.250.25550.250.250.2555
07:006.814.190.5656.814.190.565
08:0072.540.56572.540.565
09:009.253.040.56570.790.565
10:009.533.030.56070.50.560
11:0073.030.55573.030.555
12:0073.030.55573.030.555
13:0073.030.55573.030.555
14:004.483.030.5554.483.030.555
15:0073.030.55573.030.555
16:0073.020.55073.020.550
17:0012.413.03274.3811.382274.38
18:00103.033.0378103.033.0378
19:00143.02280.9812.982280.98
20:0013.093.033.0371.0913.093.033.0371.09
21:009.543.040.56070.50.560
22:009.142.640.55570.50.555
23:000.250.250.25550.250.250.2555