P-5

Ancillary Services Prices, Day Ahead Market

12/18/2005

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)
00:000.250.250.17430.250.250.1743
01:000.20.20.17430.20.20.1743
02:000.20.20.17430.20.20.1743
03:000.20.20.17430.20.20.1743
04:000.20.20.17430.20.20.1743
05:000.20.20.17430.20.20.1743
06:003.0530.2430.250.20.243
07:00730.528730.528
08:008.1130.52871.890.528
09:0010.794.290.52870.50.528
10:009.530.52870.50.528
11:009.530.52870.50.528
12:009.530.52870.50.528
13:008.151.650.52870.50.528
14:008.992.490.52870.50.528
15:008.992.490.52870.50.528
16:0070.50.564.4470.50.564.44
17:0028.773.890.9971.9525.870.990.9971.95
18:0022.964.290.9965.5419.660.990.9965.54
19:0016.5100.57570.50.575
20:0070.250.257570.250.2575
21:0070.50.569.9370.50.569.93
22:009.530.54970.50.549
23:003.0530.2430.250.20.243