P-5

Ancillary Services Prices, Day Ahead Market

12/07/2008

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)
00:002.392.390.25450.250.250.2545
01:002.412.410.25450.250.250.2545
02:002.332.330.25450.250.250.2545
03:002.332.330.25450.250.250.2545
04:002.332.330.25450.250.250.2545
05:002.412.410.25450.250.250.2545
06:002.392.390.25450.250.250.2545
07:0072.380.54572.380.545
08:0072.370.54572.370.545
09:0072.370.54572.370.545
10:0072.360.54572.360.545
11:0072.360.54572.360.545
12:0072.360.54572.360.545
13:0072.360.54572.360.545
14:0072.360.54572.360.545
15:0072.360.54572.360.545
16:0013.492.380.54570.50.545
17:008.832.331.7146.218.211.711.7146.21
18:008.832.331.7146.218.211.711.7146.21
19:0016.782.371.7146.218.211.711.7146.21
20:0012.732.371.7146.218.211.711.7146.21
21:0024.532.391.4745.977.971.471.4745.97
22:008.892.390.54570.50.545
23:002.382.380.3450.30.30.345