P-5

Ancillary Services Prices, Day Ahead Market

09/22/2005

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)
00:002.592.590.2430.250.250.243
01:000.250.250.1430.250.250.143
02:000.250.250.1430.250.250.143
03:000.20.20.1430.20.20.143
04:000.20.20.1430.20.20.143
05:00110.1556.050.250.250.1556.05
06:00110.15430.250.250.1543
07:0073.50.1855.3373.50.1855.33
08:0070.250.2548.8170.250.2548.81
09:009.092.590.541.8270.50.541.82
10:008.592.090.546.5570.50.546.55
11:007.370.870.560.6270.50.560.62
12:0016.5100.9839.557.480.980.9839.55
13:009.442.940.9932.497.490.990.9932.49
14:0013.170.990.9936.2213.170.990.9936.22
15:0019.313.890.9942.3614.880.990.9942.36
16:0028.960.990.9975150.990.9975
17:0011.170.990.997511.170.990.9975
18:0070.50.569.4270.50.569.42
19:008.650.50.57570.50.575
20:00300.990.9964.467.490.990.9964.46
21:0025.023.890.553.5570.50.553.55
22:0017.234.390.532.7870.50.532.78
23:003.093.090.25430.250.250.2543