P-5

Ancillary Services Prices, Day Ahead Market

03/04/2007

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)
00:003.093.09246.7522246.75
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25500.250.250.2550
06:003.893.890.3550.30.30.355
07:0073.090.55573.090.555
08:009.593.090.55570.50.555
09:0011.094.59256.58.52256.5
10:009.593.09256.58.52256.5
11:0010.393.890.55070.50.550
12:0010.393.890.55070.50.550
13:008.93.040.55071.140.550
14:0073.040.55073.040.550
15:0073.040.55073.040.550
16:007.783.020.55072.240.550
17:0018.773.09266.58.52266.5
18:0032.833.553.5568.0510.053.553.5568.05
19:0017.673.43.467.99.93.43.467.9
20:0028.413.43.467.99.93.43.467.9
21:0010.393.890.56070.50.560
22:009.142.640.55070.50.550
23:003.093.090.3500.30.30.350