P-5

Ancillary Services Prices, Day Ahead Market

08/11/2007

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)
00:003.493.490.25450.250.250.2545
01:003.093.090.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.2546.020.250.250.2546.02
04:000.250.250.25450.250.250.2545
05:000.250.250.2555.920.250.250.2555.92
06:000.250.250.2562.570.250.250.2562.57
07:000.50.50.559.020.50.50.559.02
08:004.843.090.553.454.843.090.553.45
09:007.493.890.9955.497.493.890.9955.49
10:007.53.09155.57.53.09155.5
11:007.53.09155.57.53.09155.5
12:009.993.49155.57.51155.5
13:0010.393.893.5458.0410.043.543.5458.04
14:0010.343.840.55570.50.555
15:0010.393.890.55570.50.555
16:009.93.40.55570.50.555
17:009.553.050.55570.50.555
18:009.553.053.0557.559.553.053.0557.55
19:007.53.04155.57.53.04155.5
20:007.53.04155.57.53.04155.5
21:007.533.090.9955.497.493.050.9955.49
22:007.490.990.9945.497.490.990.9945.49
23:006.673.563.5651.426.673.563.5651.42