P-5

Ancillary Services Prices, Day Ahead Market

09/26/2005

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)
00:003.53.50.25430.250.250.2543
01:000.250.250.25430.250.250.2543
02:000.20.20.2430.20.20.243
03:000.20.20.2430.20.20.243
04:000.20.20.2430.20.20.243
05:000.20.20.21000.20.20.2100
06:00330.25750.250.250.2575
07:0010.393.890.57570.50.575
08:0070.250.257570.250.2575
09:0036.494.990.57570.50.575
10:0057.72100.57523.220.50.575
11:0060100.57525.50.50.575
12:0053.094.990.997524.090.990.9975
13:0055.194.790.997526.390.990.9975
14:0055.984.790.997527.180.990.9975
15:00604.990.9975310.990.9975
16:0059.44.990.999030.40.990.9990
17:0058.544.990.999029.540.990.9990
18:0056.174.990.9989.2927.170.990.9989.29
19:0054.684.990.9989.4225.680.990.9989.42
20:00320.50.57570.50.575
21:00303.50.576.4470.50.576.44
22:0024.764.290.57570.50.575
23:00330.25430.250.250.2543