P-5

Ancillary Services Prices, Day Ahead Market

02/17/2007

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)
00:000.250.250.25500.250.250.2550
01:000.20.20.2500.20.20.250
02:000.20.20.2500.20.20.250
03:000.20.20.2500.20.20.250
04:000.20.20.2500.20.20.250
05:000.20.20.2550.20.20.255
06:000.250.250.25600.250.250.2560
07:0070.50.57070.50.570
08:0070.50.57070.50.570
09:0073.040.57073.040.570
10:0073.020.58073.020.580
11:0073.030.55573.030.555
12:0073.030.55573.030.555
13:0073.030.55573.030.555
14:003.013.010.5553.013.010.555
15:003.013.010.5553.013.010.555
16:00330.555.92330.555.92
17:0073.010.587.8773.010.587.87
18:0073.010.57573.010.575
19:0073.010.57573.010.575
20:0073.020.57073.020.570
21:0073.030.56073.030.560
22:0070.50.55570.50.555
23:000.250.250.25550.250.250.2555