P-5

Ancillary Services Prices, Day Ahead Market

12/13/2008

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)
00:002.332.330.3450.30.30.345
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
05:002.342.340.3450.30.30.345
06:002.322.320.3450.30.30.345
07:002.352.350.5452.352.350.545
08:006.132.370.9945.496.132.370.9945.49
09:007.492.370.9945.497.492.370.9945.49
10:007.622.361.1245.627.622.361.1245.62
11:007.492.360.9945.497.492.360.9945.49
12:0032.360.54532.360.545
13:002.342.340.5452.342.340.545
14:002.322.320.5452.322.320.545
15:002.342.340.5452.342.340.545
16:008.832.331.4745.977.971.471.4745.97
17:008.862.362.3646.868.862.362.3646.86
18:008.842.342.3446.848.842.342.3446.84
19:007.732.321.2345.737.732.321.2345.73
20:008.832.331.2345.737.731.231.2345.73
21:008.862.361.4745.977.971.471.4745.97
22:004.92.370.5454.92.370.545
23:002.352.350.3450.30.30.345