P-5

Ancillary Services Prices, Day Ahead Market

11/30/2008

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)
00:002.352.350.3450.30.30.345
01:000.30.30.3450.30.30.345
02:000.30.30.3450.30.30.345
03:000.30.30.3450.30.30.345
04:000.30.30.3450.30.30.345
05:000.30.30.3450.30.30.345
06:002.352.350.3450.30.30.345
07:0072.370.54572.370.545
08:007.492.360.9945.497.492.360.9945.49
09:007.622.361.1245.627.622.361.1245.62
10:007.732.341.2345.737.732.341.2345.73
11:007.622.341.1245.627.622.341.1245.62
12:007.492.340.9945.497.492.340.9945.49
13:007.222.340.7245.227.222.340.7245.22
14:007.242.340.7445.247.242.340.7445.24
15:0072.340.54572.340.545
16:007.972.331.4745.977.972.331.4745.97
17:0010.272.362.3648.2710.272.362.3648.27
18:008.832.332.3346.838.832.332.3346.83
19:008.842.342.3446.848.842.342.3446.84
20:009.52.362.3647.59.52.362.3647.5
21:003.982.341.2345.733.982.341.2345.73
22:002.342.340.5452.342.340.545
23:000.840.840.3450.30.30.345