P-5

Ancillary Services Prices, Day Ahead Market

09/18/2005

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)
00:000.250.250.25430.250.250.2543
01:000.250.250.25430.250.250.2543
02:000.250.250.25430.250.250.2543
03:000.250.250.25430.250.250.2543
04:000.250.250.25430.250.250.2543
05:000.250.250.25430.250.250.2543
06:000.250.250.25430.250.250.2543
07:009.993.490.52870.50.528
08:0070.250.252870.250.2528
09:00103.50.52870.50.528
10:00204.290.53070.50.530
11:0022.394.290.52870.50.528
12:0027.744.290.52870.50.528
13:0029.694.290.52870.50.528
14:0031.914.290.52870.50.528
15:0032.334.290.52870.50.528
16:0034.062.640.546.3470.50.546.34
17:0034.062.640.59070.50.590
18:0032.322.640.59070.50.590
19:0032.052.640.59070.50.590
20:00202.640.539.6270.50.539.62
21:0025.244.290.535.2470.50.535.24
22:00204.290.532.1270.50.532.12
23:008.783.890.25430.250.250.2543