P-5

Ancillary Services Prices, Day Ahead Market

02/17/2009

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)
00:003.343.340.25450.250.250.2545
01:003.363.360.25450.250.250.2545
02:003.363.360.25450.250.250.2545
03:003.363.360.25450.250.250.2545
04:003.363.360.25450.250.250.2545
05:003.373.370.25450.250.250.2545
06:003.373.370.25450.250.250.2545
07:0073.40.54573.40.545
08:009.873.370.54570.50.545
09:009.873.370.54570.50.545
10:009.863.360.54570.50.545
11:009.863.360.54570.50.545
12:009.863.360.54570.50.545
13:0073.360.54573.360.545
14:0073.360.54573.360.545
15:0073.360.54573.360.545
16:0073.350.54573.350.545
17:009.853.350.54570.50.545
18:006.953.363.3647.866.953.363.3647.86
19:009.863.363.3647.869.863.363.3647.86
20:009.883.383.3847.889.883.383.3847.88
21:009.883.383.3847.889.883.383.3847.88
22:005.783.370.5455.783.370.545
23:003.363.360.3450.30.30.345