P-5

Ancillary Services Prices, Day Ahead Market

11/15/2008

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)
00:003.353.350.3450.30.30.345
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
06:000.30.30.372.410.30.30.372.41
07:0073.360.567.6173.360.567.61
08:003.343.340.7569.13.343.340.7569.1
09:007.733.351.2345.737.733.351.2345.73
10:007.973.341.4745.977.973.341.4745.97
11:007.493.340.9945.497.493.340.9945.49
12:007.253.340.7545.257.253.340.7545.25
13:0073.340.54573.340.545
14:0073.340.54573.340.545
15:0073.340.54573.340.545
16:007.733.331.2357.857.733.331.2357.85
17:008.133.331.6351.188.133.331.6351.18
18:007.733.331.2356.27.733.331.2356.2
19:009.833.331.7146.218.211.711.7146.21
20:007.493.330.9945.497.493.330.9945.49
21:003.423.340.5453.423.340.545
22:003.333.330.5453.333.330.545
23:003.093.090.3450.30.30.345