P-5

Ancillary Services Prices, Day Ahead Market

12/23/2005

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)
00:003.0530.2430.250.20.243
01:000.250.250.2430.250.250.243
02:000.250.250.2430.250.250.243
03:000.250.250.2430.250.250.243
04:000.250.250.2430.250.250.243
05:003.393.390.2490.250.250.249
06:003.943.890.2880.250.20.288
07:0070.250.258870.250.2588
08:0070.250.258870.250.2588
09:009.593.090.98497.480.980.9849
10:009.530.54970.50.549
11:009.530.52870.50.528
12:009.530.52870.50.528
13:009.530.52870.50.528
14:009.530.52870.50.528
15:009.530.52870.50.528
16:0070.50.549.3670.50.549.36
17:0024.930.990.9962.9824.930.990.9962.98
18:0021.120.980.9872.2821.120.980.9872.28
19:0015.590.250.2570.8715.590.250.2570.87
20:009.240.250.0171.8190.010.0171.81
21:0026.830.559.3270.50.559.32
22:007.070.250.184970.180.1849
23:003.943.890.2430.250.20.243