P-5

Ancillary Services Prices, Day Ahead Market

07/19/2009

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)
00:003.993.990.25280.250.250.2528
01:003.593.590.25280.250.250.2528
02:000.410.410.25280.250.250.2528
03:000.250.250.25280.250.250.2528
04:000.250.250.25280.250.250.2528
05:000.250.250.25280.250.250.2528
06:003.363.360.25280.250.250.2528
07:003.423.420.5283.423.420.528
08:0053.420.52853.420.528
09:0063.470.52863.470.528
10:0073.370.52873.370.528
11:0073.370.52873.370.528
12:009.873.370.52870.50.528
13:009.893.390.52870.50.528
14:009.873.370.52870.50.528
15:008.523.370.52871.850.528
16:008.533.350.9928.497.492.310.9928.49
17:008.533.350.9928.497.492.310.9928.49
18:009.863.360.9928.497.490.990.9928.49
19:008.53.350.9928.497.492.340.9928.49
20:007.493.350.9928.497.493.350.9928.49
21:008.533.370.52871.840.528
22:007.163.420.52873.260.528
23:003.993.990.25280.250.250.2528