P-5

Ancillary Services Prices, Day Ahead Market

12/29/2008

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)
00:002.372.370.3450.30.30.345
01:002.382.380.3450.30.30.345
02:002.382.380.3450.30.30.345
03:002.382.380.3450.30.30.345
04:002.382.380.3450.30.30.345
05:002.382.380.3450.30.30.345
06:002.372.370.356.310.30.30.356.31
07:0072.390.54572.390.545
08:007.732.381.2345.737.732.381.2345.73
09:007.732.381.2345.737.732.381.2345.73
10:008.872.371.4745.977.971.471.4745.97
11:008.892.391.2345.737.731.231.2345.73
12:007.622.371.1245.627.622.371.1245.62
13:0072.370.54572.370.545
14:0072.370.54572.370.545
15:0072.370.54572.370.545
16:008.212.341.7146.218.212.341.7146.21
17:009.192.392.3947.199.192.392.3947.19
18:007.732.341.2345.737.732.341.2345.73
19:008.862.361.4745.977.971.471.4745.97
20:008.852.351.4745.977.971.471.4745.97
21:007.492.370.9945.497.492.370.9945.49
22:003.332.380.5453.332.380.545
23:002.332.330.3450.30.30.345