P-5

Ancillary Services Prices, Day Ahead Market

12/14/2008

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
01:000.30.30.3450.30.30.345
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
06:002.372.370.3450.30.30.345
07:0072.380.54572.380.545
08:0072.370.54572.370.545
09:007.422.370.9245.427.422.370.9245.42
10:008.592.351.2345.737.731.491.2345.73
11:007.492.350.9945.497.492.350.9945.49
12:0072.350.54572.350.545
13:0072.350.54572.350.545
14:0072.350.54572.350.545
15:0072.350.54572.350.545
16:008.862.361.2345.737.731.231.2345.73
17:007.972.321.4745.977.972.321.4745.97
18:007.732.321.2345.737.732.321.2345.73
19:008.852.351.4745.977.971.471.4745.97
20:008.872.371.4745.977.971.471.4745.97
21:007.732.351.2345.737.732.351.2345.73
22:002.352.350.5452.352.350.545
23:002.332.330.3450.30.30.345