P-5

Ancillary Services Prices, Day Ahead Market

08/31/2007

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)
00:000.20.20.1450.20.20.145
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
05:000.20.20.1450.20.20.145
06:000.20.20.1450.20.20.145
07:002.492.490.1502.492.490.150
08:002.542.540.17502.542.540.1750
09:005.694.190.5555.694.190.555
10:006.953.890.5556.953.890.555
11:0073.890.55573.890.555
12:0073.050.544.6773.050.544.67
13:007.973.050.553.8472.080.553.84
14:007.43.040.556.4572.640.556.45
15:0073.040.56073.040.560
16:0073.020.56073.020.560
17:0073.020.56073.020.560
18:0073.040.55573.040.555
19:0073.050.55573.050.555
20:0073.040.55573.040.555
21:007.43.720.955.47.43.720.955.4
22:007.43.890.55073.490.550
23:002.592.590.25450.250.250.2545