P-5

Ancillary Services Prices, Day Ahead Market

09/13/2005

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)
00:000.20.20.2430.20.20.243
01:000.20.20.19430.20.20.1943
02:000.20.20.17430.20.20.1743
03:000.20.20.17430.20.20.1743
04:000.20.20430.20.2043
05:000.20.20.17430.20.20.1743
06:000.840.840.2430.250.250.243
07:0072.690.552.0572.690.552.05
08:0070.50.547.6470.50.547.64
09:00203.890.535.5470.50.535.54
10:00203.490.533.770.50.533.7
11:0019.793.490.52870.50.528
12:0024.783.890.9928.497.490.990.9928.49
13:0022.764.590.9928.497.490.990.9928.49
14:0036.094.59238.958.52238.95
15:0043.244.593.5566.2917.23.553.5566.29
16:0043.684.793.527517.413.523.5275
17:0041.274.793.5275153.523.5275
18:0062.1855.683.547510.043.543.5475
19:0036.374.870.57570.50.575
20:00303.890.545.0470.50.545.04
21:0023.724.290.540.7570.50.540.75
22:0011.734.390.541.5970.50.541.59
23:00330.25430.250.250.2543