P-5

Ancillary Services Prices, Day Ahead Market

05/25/2011

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)
00:003.523.370.160.250.10.16
01:003.613.370.0160.250.010.016
02:003.613.370.017.780.250.010.017.78
03:003.613.370.018.930.250.010.018.93
04:004.54.260.0119.920.250.010.0119.92
05:003.613.370.0110.520.250.010.0110.52
06:003.613.370.0180.250.010.018
07:00103.360.0566.690.050.056
08:00103.370.0512.256.680.050.0512.25
09:00103.370.0512.256.680.050.0512.25
10:0010.423.470.0512.2570.050.0512.25
11:0012.255.30.0512.2570.050.0512.25
12:0014.287.330.0512.2570.050.0512.25
13:0014.947.990.0512.2570.050.0512.25
14:0015.357.990.0512.2570.050.0512.25
15:0016.87.990.0513.770.050.0513.7
16:0014.947.990.0512.2570.050.0512.25
17:0014.947.990.0512.2570.050.0512.25
18:0012.255.30.0512.2570.050.0512.25
19:0010.313.360.0512.2570.050.0512.25
20:0013.476.520.0512.2570.050.0512.25
21:009.153.370.056.95.830.050.056.9
22:005.933.360.0562.620.050.056
23:003.613.370.0160.250.010.016