P-5

Ancillary Services Prices, Day Ahead Market

05/18/2007

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)
00:000.20.20.2450.20.20.245
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
06:003.493.490.25110.120.250.250.25110.12
07:009.424.790.5108.4872.370.5108.48
08:0013.517.010.5101.1870.50.5101.18
09:00147.50.566.5170.50.566.51
10:00147.50.55070.50.550
11:00147.53.9450.4410.443.943.9450.44
12:00147.5248.58.52248.5
13:00147.5248.58.52248.5
14:00147.5248.58.52248.5
15:009.553.053.0549.559.553.053.0549.55
16:0010.023.05253.078.972253.07
17:009.553.05252.68.52252.6
18:009.193.020.54770.830.547
19:007.513.020.54772.510.547
20:00103.06251.58.52251.5
21:0073.030.55073.030.550
22:000.870.870.5470.870.870.547
23:000.250.250.25470.250.250.2547