P-5

Ancillary Services Prices, Day Ahead Market

11/09/2008

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)
00:003.333.330.3450.30.30.345
01:000.30.30.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.30.30.3450.30.30.345
06:000.250.250.25450.250.250.2545
07:0073.360.54573.360.545
08:003.343.340.5453.343.340.545
09:003.363.360.5453.363.360.545
10:007.563.351.0645.567.563.351.0645.56
11:007.253.350.7545.257.253.350.7545.25
12:006.473.350.7545.256.473.350.7545.25
13:003.343.340.7545.253.343.340.7545.25
14:003.343.340.7545.253.343.340.7545.25
15:003.343.340.5453.343.340.545
16:009.873.373.3747.879.873.373.3747.87
17:009.863.363.3652.919.863.363.3652.91
18:009.853.353.3555.559.853.353.3555.55
19:009.843.343.3461.659.843.343.3461.65
20:009.853.353.3582.729.853.353.3582.72
21:007.983.351.4882.287.983.351.4882.28
22:004.753.350.5454.753.350.545
23:003.323.320.3450.30.30.345