P-5

Ancillary Services Prices, Day Ahead Market

12/19/2005

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
05:000.290.290.2490.250.250.249
06:003.943.890.2500.250.20.250
07:0014.660.250.175070.170.1750
08:00100.250.18509.930.180.1850
09:00103.490.99497.50.990.9949
10:001030.54970.50.549
11:001030.528.8470.50.528.84
12:001030.52870.50.528
13:001030.52870.50.528
14:001030.52870.50.528
15:001030.52870.50.528
16:0027.462.690.9955.2625.760.990.9955.26
17:00500.990.99250500.990.99250
18:00500.990.99250500.990.99250
19:00500.990.99178.27500.990.99178.27
20:00500.990.99250500.990.99250
21:0015.0930.994913.080.990.9949
22:007.060.250.1960.9470.190.1960.94
23:003.543.490.2430.250.20.243