P-5

Ancillary Services Prices, Day Ahead Market

05/26/2011

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)
00:003.343.340.2560.250.250.256
01:003.583.340.017.630.250.010.017.63
02:003.583.340.019.410.250.010.019.41
03:003.583.340.019.910.250.010.019.91
04:003.583.340.0119.30.250.010.0119.3
05:003.583.340.0115.930.250.010.0115.93
06:003.583.340.019.380.250.010.019.38
07:004.932.660.0562.320.050.056
08:006.893.340.0583.60.050.058
09:008.833.350.0585.530.050.058
10:0010.43.450.05870.050.058
11:0011.574.620.058.4770.050.058.47
12:0012.745.790.059.4770.050.059.47
13:0014.97.950.059.4770.050.059.47
14:0016.277.990.059.4770.050.059.47
15:0017.137.990.059.4770.050.059.47
16:0014.947.990.059.5570.050.059.55
17:0014.047.090.0510.9470.050.0510.94
18:0010.33.350.0510.1970.050.0510.19
19:0010.293.340.0510.1370.050.0510.13
20:0010.33.350.059.4770.050.059.47
21:0071.680.0575.370.050.057
22:004.932.60.0562.380.050.056
23:003.593.350.0160.250.010.016