P-5

Ancillary Services Prices, Day Ahead Market

11/30/2007

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)
00:003.093.090.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.493.490.381.110.30.30.381.11
06:0011163.2711163.27
07:0072.690.55572.690.555
08:0070.50.56070.50.560
09:007.53.08160.57.53.08160.5
10:007.53.04160.57.53.04160.5
11:0073.040.55073.040.550
12:009.543.040.55070.50.550
13:009.543.040.55070.50.550
14:0073.040.55073.040.550
15:009.533.030.55070.50.550
16:00103.05371.19.53371.1
17:0021.323.093.09809.593.093.0980
18:0027.553.083.08809.583.083.0880
19:009.583.083.0862.589.583.083.0862.58
20:009.523.023.0262.529.523.023.0262.52
21:009.543.040.54570.50.545
22:0070.50.54570.50.545
23:000.250.250.25450.250.250.2545