P-5

Ancillary Services Prices, Day Ahead Market

07/23/2009

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)
00:003.333.330.1280.250.250.128
01:001.31.30.1280.250.250.128
02:000.840.840.1280.250.250.128
03:000.840.840.1280.250.250.128
04:000.840.840.1280.250.250.128
05:001.381.380.1280.250.250.128
06:001.431.430.1280.250.250.128
07:003.373.370.1283.373.370.128
08:0063.420.12863.420.128
09:0073.470.52873.470.528
10:006.953.370.5286.953.370.528
11:006.953.360.5286.953.360.528
12:0073.340.52873.340.528
13:0073.340.5286.52.840.528
14:009.863.360.52870.50.528
15:009.863.360.52870.50.528
16:009.853.350.536.8970.50.536.89
17:009.843.340.533.0370.50.533.03
18:0073.320.52873.320.528
19:0073.320.52873.320.528
20:0053.340.52853.340.528
21:004.693.370.1284.693.370.128
22:003.393.390283.393.39028
23:003.353.350280.250.25028