P-5

Ancillary Services Prices, Day Ahead Market

02/23/2007

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
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25500.250.250.2550
06:000.250.250.25550.250.250.2555
07:009.142.640.56570.50.565
08:009.192.69266.58.52266.5
09:0014.874.79270.0812.082270.08
10:0022.823.893.527520.233.523.5275
11:0016.083.893.558.2210.223.53.558.22
12:009.543.040.55570.50.555
13:009.533.030.55570.50.555
14:0073.020.55573.020.555
15:0073.020.55573.020.555
16:008.033.010.575.0171.980.575.01
17:0015.643.02277.6214.622277.62
18:0028.383.03295.3527.352295.35
19:0012.423.032.6180122.612.6180
20:0015.183.032.2472.3914.392.242.2472.39
21:009.543.040.56070.50.560
22:0070.50.55570.50.555
23:000.250.250.25550.250.250.2555