P-5

Ancillary Services Prices, Day Ahead Market

09/12/2005

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)
00:000.250.250.2430.250.250.243
01:000.20.20.2430.20.20.243
02:000.20.20.2430.20.20.243
03:000.20.20.2430.20.20.243
04:000.20.20.2430.20.20.243
05:000.20.20.2430.20.20.243
06:002.542.540.247.830.250.250.247.83
07:0074.290.548.4174.290.548.41
08:0070.50.549.470.50.549.4
09:009.993.490.541.7270.50.541.72
10:009.593.090.53070.50.530
11:00123.890.52870.50.528
12:00124.290.9928.497.490.990.9928.49
13:00154.290.9928.497.490.990.9928.49
14:00154.290.9936.4511.70.990.9936.45
15:00152.27138.0513.731138.05
16:0036.911.760.9974.35150.990.9974.35
17:00151.730.997514.260.990.9975
18:00150.990.9962.737.490.990.9962.73
19:00153.490.57570.50.575
20:00153.490.53570.50.535
21:0019.074.590.539.3970.50.539.39
22:0010.694.190.541.8670.50.541.86
23:00330.25430.250.250.2543