P-5

Ancillary Services Prices, Day Ahead Market

09/09/2005

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)
00:000.250.250.25430.250.250.2543
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
06:00330.25430.250.250.2543
07:0074.190.57574.190.575
08:0070.50.573.6570.50.573.65
09:009.993.490.55070.50.550
10:00123.490.55070.50.550
11:00123.890.52870.50.528
12:00123.890.52870.50.528
13:00153.890.9928.497.490.990.9928.49
14:00153.890.9928.497.490.990.9928.49
15:00153.490.9929.867.490.990.9929.86
16:00152.540.99407.490.990.9940
17:00152.540.9938.057.490.990.9938.05
18:00153.090.538.0570.50.538.05
19:00153.090.54070.50.540
20:00153.090.54070.50.540
21:0016.123.890.544.9570.50.544.95
22:0010.894.390.556.0470.50.556.04
23:003.893.890.3430.30.30.343