P-5

Ancillary Services Prices, Day Ahead Market

08/29/2007

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)
00:000.20.20.2450.20.20.245
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
06:000.190.190.19450.190.190.1945
07:002.492.490.5502.492.490.550
08:002.642.640.5502.642.640.550
09:003.893.890.5553.893.890.555
10:006.313.490.5556.313.490.555
11:006.953.070.5556.953.070.555
12:0073.070.54273.070.542
13:0010.363.860.545.3670.50.545.36
14:0010.393.890.545.3970.50.545.39
15:009.573.070.944.577.40.90.944.57
16:0010.794.290.960.47.40.90.960.4
17:009.363.050.56070.690.560
18:0073.050.55573.050.555
19:006.953.050.5556.953.050.555
20:008.083.050.55571.970.555
21:0073.890.55573.890.555
22:006.113.890.5506.113.890.550
23:001.911.910.25450.250.250.2545