P-5

Ancillary Services Prices, Day Ahead Market

09/16/2005

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
06:000.250.250.25430.250.250.2543
07:0073.890.548.8273.890.548.82
08:0070.50.544.0470.50.544.04
09:0010.694.190.53570.50.535
10:0010.794.290.53070.50.530
11:0010.794.290.535.0270.50.535.02
12:0010.834.330.528.4970.50.528.49
13:00184.390.530.1970.50.530.19
14:0020.114.390.52870.50.528
15:0022.744.290.532.0870.50.532.08
16:0030.633.490.553.6870.50.553.68
17:0011.023.490.534.0770.50.534.07
18:0070.50.536.9870.50.536.98
19:0010.453.490.57570.50.575
20:0021.113.490.53570.50.535
21:00203.890.53570.50.535
22:009.993.490.539.4970.50.539.49
23:00330.25430.250.250.2543