P-5

Ancillary Services Prices, Day Ahead Market

08/28/2007

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)
00:000.20.20.1450.20.20.145
01:000.20.20.1450.20.20.145
02:000.20.20.1450.20.20.145
03:000.20.20.1450.20.20.145
04:000.20.20.1450.20.20.145
05:000.20.20.1450.20.20.145
06:000.190.190.1450.190.190.145
07:002.492.490.1502.492.490.150
08:002.322.320.1502.322.320.150
09:003.893.890.5553.893.890.555
10:006.193.890.5556.193.890.555
11:0073.890.55573.890.555
12:008.293.890.56072.60.560
13:0010.794.290.56070.50.560
14:0010.794.290.56070.50.560
15:0011.14.60.56070.50.560
16:0010.794.290.56070.50.560
17:00103.50.56070.50.560
18:007.473.090.55572.620.555
19:005.493.490.5555.493.490.555
20:006.953.490.5556.953.490.555
21:008.233.890.55572.660.555
22:0073.490.55073.490.550
23:000.250.250.25450.250.250.2545