P-5

Ancillary Services Prices, Day Ahead Market

08/17/2007

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)
00:000.250.250.25450.250.250.2545
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
05:000.20.20.2450.20.20.245
06:000.20.20.2450.20.20.245
07:003.093.090.5503.093.090.550
08:006.413.890.5506.413.890.550
09:006.954.190.9855.486.954.190.9855.48
10:006.953.89155.56.953.89155.5
11:006.953.890.5556.953.890.555
12:0073.890.54273.890.542
13:009.553.050.539.5570.50.539.55
14:0010.894.390.540.8970.50.540.89
15:0012.034.790.543.6170.50.543.61
16:0015.684.791.4360.937.931.431.4360.93
17:0010.794.29463.510.54463.5
18:0012.234460.2312.234460.23
19:0010.023.523.5258.0210.023.523.5258.02
20:0010.23.73.758.210.23.73.758.2
21:0010.393.892.4956.998.992.492.4956.99
22:0073.490.55073.490.550
23:003.493.490.25450.250.250.2545