P-5

Ancillary Services Prices, Day Ahead Market

02/22/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25500.250.250.2550
06:000.250.250.25550.250.250.2555
07:0073.090.56573.090.565
08:0011.094.590.56570.50.565
09:0010.393.890.56570.50.565
10:00103.50.56070.50.560
11:00103.50.55570.50.555
12:007.963.040.55572.080.555
13:0073.040.55573.040.555
14:0073.040.55573.040.555
15:0073.040.55573.040.555
16:0073.030.55073.030.550
17:009.993.491.2470.747.741.241.2470.74
18:0012.143.032.9480.0512.052.942.9480.05
19:009.533.03276.58.52276.5
20:009.593.090.56570.50.565
21:009.993.490.56070.50.560
22:0070.50.55570.50.555
23:000.250.250.25550.250.250.2555