P-5

Ancillary Services Prices, Day Ahead Market

11/23/2007

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)
00:000.30.30.382.750.30.30.382.75
01:000.250.250.2583.620.250.250.2583.62
02:000.250.250.2587.070.250.250.2587.07
03:000.250.250.2585.960.250.250.2585.96
04:000.250.250.2585.950.250.250.2585.95
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
17:0018.043.093.0980.199.593.093.0980.19
18:0014.993.083.0877.149.583.083.0877.14
19:009.583.083.0862.589.583.083.0862.58
20:0073.030.56073.030.560
21:0073.040.54573.040.545
22:0070.50.54570.50.545
23:000.250.250.25450.250.250.2545