P-5

Ancillary Services Prices, Day Ahead Market

11/24/2007

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)
00:000.30.30.352.910.30.30.352.91
01:000.250.250.2554.90.250.250.2554.9
02:000.250.250.2558.370.250.250.2558.37
03:000.250.250.2558.890.250.250.2558.89
04:000.250.250.2558.810.250.250.2558.81
05:002.642.640.31000.30.30.3100
06:000.30.30.32500.30.30.3250
07:0072.590.525072.590.5250
08:0070.50.525070.50.5250
09:0073.050.56073.050.560
10:0073.040.56073.040.560
11:0073.040.55073.040.550
12:0073.040.55073.040.550
13:0073.040.55073.040.550
14:0073.040.55073.040.550
15:0073.040.55073.040.550
16:0073.030.565.0573.030.565.05
17:009.93.43.476.089.93.43.476.08
18:009.593.093.0972.859.593.093.0972.85
19:009.643.083.0862.589.583.083.0862.58
20:0073.030.56073.030.560
21:0073.040.54573.040.545
22:002.930.50.5452.930.50.545
23:000.250.250.25450.250.250.2545