P-5

Ancillary Services Prices, Day Ahead Market

07/30/2011

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)
00:000.560.560.0180.010.010.018
01:000.360.360.016.90.010.010.016.9
02:000.350.350.016.620.010.010.016.62
03:000.350.350.0180.010.010.018
04:000.350.350.0180.010.010.018
05:000.350.350.0110.040.010.010.0110.04
06:000.350.350.0115.580.010.010.0115.58
07:000.350.350.0180.010.010.018
08:000.570.570.0180.010.010.018
09:000.580.580.0380.030.030.038
10:001.430.580.038.650.880.030.038.65
11:001.21.20.03140.030.030.0314
12:006.66.60.03140.030.030.0314
13:0011.749.990.03141.780.030.0314
14:0016.969.990.031470.030.0314
15:0016.969.990.031470.030.0314
16:0016.969.990.031570.030.0315
17:0016.969.990.031570.030.0315
18:004.944.940.03140.030.030.0314
19:001.481.480.03140.030.030.0314
20:001.441.440.03140.030.030.0314
21:001.441.440.0312.920.030.030.0312.92
22:009.999.990.0315.50.030.030.0315.5
23:001.381.210.039.130.20.030.039.13