P-5

Ancillary Services Prices, Day Ahead Market

11/22/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.2545.950.250.250.2545.95
03:000.250.250.2546.380.250.250.2546.38
04:000.250.250.2546.280.250.250.2546.28
05:000.250.250.251000.250.250.25100
06:000.30.30.32500.30.30.3250
07:0072.590.525072.590.5250
08:004.210.50.52504.210.50.5250
09:0073.070.56073.070.560
10:0073.050.56073.050.560
11:0073.050.55073.050.550
12:0073.050.55073.050.550
13:0073.050.55073.050.550
14:003.033.030.5503.033.030.550
15:003.033.030.5503.033.030.550
16:006.953.030.576.336.953.030.576.33
17:0073.030.565.0573.030.565.05
18:007.333.030.8365.387.333.030.8365.38
19:006.953.030.5606.953.030.560
20:0073.030.56073.030.560
21:003.693.050.5453.693.050.545
22:000.50.50.5450.50.50.545
23:000.250.250.25450.250.250.2545