P-5

Ancillary Services Prices, Day Ahead Market

07/13/2007

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)
00:000.250.250.1450.250.250.145
01:000.190.190.1450.190.190.145
02:000.190.190.1450.190.190.145
03:000.190.190.1450.190.190.145
04:000.190.190.1450.190.190.145
05:000.190.190.1450.190.190.145
06:000.170.170.1450.170.170.145
07:003.093.090.1503.093.090.150
08:0072.640.9952.9472.640.9952.94
09:0073.080.55573.080.555
10:0073.060.56073.060.560
11:0073.060.56073.060.560
12:009.313.060.56070.750.560
13:009.583.080.56070.50.560
14:009.583.080.561.5570.50.561.55
15:009.583.080.56570.50.565
16:009.553.050.56570.50.565
17:009.543.040.56570.50.565
18:007.753.031.2565.757.753.031.2565.75
19:0073.060.56573.060.565
20:0073.060.56573.060.565
21:009.993.493.4957.999.993.493.4957.99
22:007.493.090.9950.497.493.090.9950.49
23:000.340.340.25450.250.250.2545