P-5

Ancillary Services Prices, Day Ahead Market

12/20/2011

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)
00:003.353.350.075.50.070.070.075.5
01:003.353.350.075.50.070.070.075.5
02:003.353.350.075.50.070.070.075.5
03:003.353.350.0760.070.070.076
04:003.353.350.0760.070.070.076
05:003.353.350.076.250.070.070.076.25
06:003.073.070.0860.080.080.086
07:001.021.020.2660.260.260.266
08:001.021.020.2660.260.260.266
09:001.021.020.265.750.260.260.265.75
10:004.053.320.265.750.990.260.265.75
11:003.223.220.265.750.260.260.265.75
12:002.182.180.265.750.260.260.265.75
13:002.112.110.235.750.230.230.235.75
14:001.931.930.235.750.230.230.235.75
15:002.272.270.265.750.260.260.265.75
16:007.753.330.26204.680.260.2620
17:0012.064.9702070020
18:009.083.340.262060.260.2620
19:008.13.340.2695.020.260.269
20:005.083.340.26620.260.266
21:003.893.320.2660.830.260.266
22:002.372.370.2650.260.260.265
23:002.072.070.085.490.080.080.085.49