P-5

Ancillary Services Prices, Day Ahead Market

02/13/2007

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)
00:000.250.250.25500.250.250.2550
01:000.250.250.25500.250.250.2550
02:000.250.250.25500.250.250.2550
03:000.250.250.25500.250.250.2550
04:000.250.250.25500.250.250.2550
05:000.250.250.25550.250.250.2555
06:000.250.250.25600.250.250.2560
07:0070.50.57570.50.575
08:0070.50.58070.50.580
09:0073.010.58073.010.580
10:0072.960.58072.960.580
11:0072.960.55572.960.555
12:0072.960.55572.960.555
13:0072.960.55572.960.555
14:0072.960.55572.960.555
15:0072.960.55572.960.555
16:0072.950.582.6972.950.582.69
17:0021.853.010.58570.50.585
18:009.462.962.871009.372.872.87100
19:0072.950.58572.950.585
20:009.530.58070.50.580
21:0072.960.581.3572.960.581.35
22:0070.50.55570.50.555
23:000.250.250.25550.250.250.2555