P-5

Ancillary Services Prices, Day Ahead Market

12/30/2008

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)
00:002.272.270.3450.30.30.345
01:002.282.280.3450.30.30.345
02:000.30.30.3450.30.30.345
03:000.30.30.3450.30.30.345
04:002.282.280.3450.30.30.345
05:002.282.280.3450.30.30.345
06:002.242.240.357.810.30.30.357.81
07:0072.290.54572.290.545
08:007.972.281.4745.977.972.281.4745.97
09:007.972.381.4745.977.972.381.4745.97
10:007.972.371.4745.977.972.371.4745.97
11:008.912.410.9945.497.490.990.9945.49
12:0072.370.54572.370.545
13:0072.370.54572.370.545
14:0072.370.54572.370.545
15:0072.370.54572.370.545
16:008.862.361.4745.977.971.471.4745.97
17:0010.62.382.3846.888.882.382.3846.88
18:008.852.352.3546.858.852.352.3546.85
19:008.842.341.4745.977.971.471.4745.97
20:008.862.361.4745.977.971.471.4745.97
21:007.622.361.1245.627.622.361.1245.62
22:005.762.280.5455.762.280.545
23:002.262.260.3450.30.30.345