P-5

Ancillary Services Prices, Day Ahead Market

02/24/2009

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)
00:003.333.330.25450.250.250.2545
01:003.333.330.25450.250.250.2545
02:003.333.330.25450.250.250.2545
03:003.333.330.25450.250.250.2545
04:003.333.330.25450.250.250.2545
05:003.333.330.25450.250.250.2545
06:003.373.370.2561.460.250.250.2561.46
07:0073.410.567.2573.410.567.25
08:0073.380.56573.380.565
09:0073.380.54573.380.545
10:007.493.330.574.1872.840.574.18
11:007.353.330.54572.980.545
12:0073.330.54573.330.545
13:0073.330.54573.330.545
14:0073.330.54573.330.545
15:0073.330.54573.330.545
16:0073.330.563.673.330.563.6
17:009.833.331.4147.457.911.411.4147.45
18:009.873.373.3747.879.873.373.3747.87
19:0073.330.54573.330.545
20:0073.330.54573.330.545
21:003.363.360.5453.363.360.545
22:003.633.370.5453.633.370.545
23:003.333.330.3450.30.30.345