P-5

Ancillary Services Prices, Day Ahead Market

07/27/2007

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)
00:000.140.140450.140.14045
01:000.150.150450.150.15045
02:000.150.150450.150.15045
03:000.130.130450.130.13045
04:000.130.130450.130.13045
05:000.130.130450.130.13045
06:000.120.120450.120.12045
07:000.160.160500.160.16050
08:000.20.20500.20.2050
09:003.063.060.1553.063.060.155
10:003.723.090.5553.723.090.555
11:0073.070.55573.070.555
12:0073.070.54273.070.542
13:009.993.490.544.9970.50.544.99
14:0010.794.290.548.2970.50.548.29
15:0010.443.940.550.3270.50.550.32
16:009.563.060.55570.50.555
17:009.563.060.55570.50.555
18:0073.050.55573.050.555
19:006.953.060.5556.953.060.555
20:0073.070.55573.070.555
21:0073.890.55573.890.555
22:0073.890.55073.890.550
23:002.642.640.25450.250.250.2545