P-5

Ancillary Services Prices, Day Ahead Market

08/16/2007

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)
00:000.250.250.2450.250.250.245
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
06:000.20.20.2450.20.20.245
07:002.542.540.5502.542.540.550
08:002.642.640.5502.642.640.550
09:007.487.480.9855.487.487.480.9855.48
10:007.047.040.9855.487.047.040.9855.48
11:007.57.5155.57.57.5155.5
12:007.57.50.5242.57.027.020.5242.5
13:0018.9512.450.56070.50.560
14:0018.9512.450.56570.50.565
15:0018.9512.450.56570.50.565
16:0018.9512.450.56570.50.565
17:0018.9512.45165.57.51165.5
18:0013.512.450.55575.950.555
19:007.57.5155.57.57.5155.5
20:0010.0210.023.5258.0210.0210.023.5258.02
21:007.57.5155.57.57.5155.5
22:0073.090.55073.090.550
23:002.542.540.2450.250.250.245