P-5

Ancillary Services Prices, Day Ahead Market

07/28/2011

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)
00:000.540.540.0180.010.010.018
01:000.350.350.0180.010.010.018
02:000.350.350.0180.010.010.018
03:000.350.350.0180.010.010.018
04:000.350.350.0180.010.010.018
05:000.350.350.0180.010.010.018
06:000.360.360.0180.010.010.018
07:002.272.270.059.970.050.050.059.97
08:001.431.430.2140.20.20.214
09:001.211.2101400014
10:001.421.420.5140.50.50.514
11:004.753.390.5141.860.50.514
12:0010.619.110.51420.50.514
13:0016.499.990.51470.50.514
14:0016.499.990.51470.50.514
15:0016.499.990.51470.50.514
16:0016.499.990.51470.50.514
17:0016.499.990.51470.50.514
18:0013.259.990.5143.760.50.514
19:004.573.390.5141.680.50.514
20:003.033.030.5140.50.50.514
21:006.713.470.59.13.740.50.59.1
22:003.363.360.515.320.50.50.515.32
23:001.431.210.038.50.250.030.038.5