P-5

Ancillary Services Prices, Day Ahead Market

07/29/2011

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)
00:000.570.570.0180.010.010.018
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
06:000.560.560.01150.010.010.0115
07:001.341.340.218.370.210.210.218.37
08:002.112.110.21120.210.210.2112
09:004.622.190.22122.650.220.2212
10:007.412.190.6719.125.890.670.6719.12
11:0015.33.970.6720120.670.6720
12:0015.584.250.6720120.670.6720
13:0021.329.990.6720120.670.6720
14:0021.329.990.6720120.670.6720
15:0020.549.210.6720120.670.6720
16:0021.329.990.6720120.670.6720
17:0021.329.990.6720120.670.6720
18:0020.218.880.6720120.670.6720
19:00124.560.67208.110.670.6720
20:008.363.470.67205.560.670.6720
21:004.433.360.6713.461.740.670.6713.46
22:001.351.350.2112.110.210.210.2112.11
23:000.570.570.0190.010.010.019