P-5

Ancillary Services Prices, Day Ahead Market

11/05/2008

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)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.250.250.25450.250.250.2545
05:000.250.250.2550.530.250.250.2550.53
06:003.363.360.25500.250.250.2550
07:0073.370.56573.370.565
08:007.253.340.75657.253.340.7565
09:009.573.340.9945.497.491.260.9945.49
10:009.833.330.9945.497.490.990.9945.49
11:009.833.330.7545.257.250.750.7545.25
12:009.843.340.54570.50.545
13:009.853.350.54570.50.545
14:009.223.330.54571.110.545
15:008.833.330.54571.50.545
16:009.833.33145.57.51145.5
17:009.823.321.4756.547.971.471.4756.54
18:009.853.350.9971.047.490.990.9971.04
19:009.833.331.4745.977.971.471.4745.97
20:009.823.321.4745.977.971.471.4745.97
21:009.593.33145.57.51.24145.5
22:0073.340.54573.340.545
23:003.323.320.3450.30.30.345