P-5

Ancillary Services Prices, Day Ahead Market

08/22/2007

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)
00:000.250.250.1450.250.250.145
01:000.20.20.1450.20.20.145
02:000.20.20.1450.20.20.145
03:000.20.20.1450.20.20.145
04:000.20.20.1450.20.20.145
05:000.250.250.1450.250.250.145
06:000.250.250.1600.250.250.160
07:003.093.090.1553.093.090.155
08:003.63.490.1553.63.490.155
09:0074.190.175574.190.1755
10:0073.890.55573.890.555
11:0073.890.55573.890.555
12:0073.890.56073.890.560
13:0073.890.56073.890.560
14:0073.890.56073.890.560
15:0073.540.56073.540.560
16:009.023.040.56071.020.560
17:007.053.030.56072.980.560
18:0073.050.55573.050.555
19:0073.050.55573.050.555
20:007.843.050.55572.210.555
21:0010.013.510.55570.50.555
22:0073.890.55073.890.550
23:000.250.250.25450.250.250.2545