P-5

Ancillary Services Prices, Day Ahead Market

11/12/2008

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)
00:002.542.540.25450.250.250.2545
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
05:002.642.640.25500.250.250.2550
06:003.323.320.2557.630.250.250.2557.63
07:0073.350.551.773.350.551.7
08:0073.340.550.0573.340.550.05
09:008.263.340.7545.257.252.330.7545.25
10:007.813.320.7545.257.252.760.7545.25
11:0073.320.54573.320.545
12:0073.320.54573.320.545
13:0073.320.54573.320.545
14:0073.320.54573.320.545
15:006.223.320.5456.223.320.545
16:006.953.090.546.036.953.090.546.03
17:0014.793.331.7157.8413.171.711.7157.84
18:009.53.09352.559.53.09352.55
19:006.953.090.8645.366.953.090.8645.36
20:007.493.090.9945.497.493.090.9945.49
21:007.973.321.47807.973.321.4780
22:003.553.340.573.383.553.340.573.38
23:002.642.640.3450.30.30.345