P-5

Ancillary Services Prices, Day Ahead Market

05/17/2011

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)
00:003.593.350.0160.250.010.016
01:003.593.350.016.210.250.010.016.21
02:003.643.40.018.220.250.010.018.22
03:003.653.410.018.730.250.010.018.73
04:003.653.410.0111.320.250.010.0111.32
05:003.653.410.019.920.250.010.019.92
06:006.235.990.0160.250.010.016
07:009.915.990.0163.930.010.016
08:0012.955.990.0412.2570.040.0412.25
09:0012.955.990.0412.2570.040.0412.25
10:0012.955.990.0412.2570.040.0412.25
11:0012.955.990.0412.2570.040.0412.25
12:0013.525.990.0412.2570.040.0412.25
13:0013.795.990.0412.2570.040.0412.25
14:0012.955.990.0412.2570.040.0412.25
15:0012.955.990.0412.2570.040.0412.25
16:0012.955.990.0412.2570.040.0412.25
17:0012.955.990.0412.2570.040.0412.25
18:0012.955.990.0412.2570.040.0412.25
19:0012.955.990.0412.2570.040.0412.25
20:0012.955.990.0412.2570.040.0412.25
21:0012.955.990.047.570.040.047.5
22:0012.955.990.04670.040.046
23:008.575.990.018.342.590.010.018.34