P-5

Ancillary Services Prices, Day Ahead Market

01/30/2009

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
01:003.343.340.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.343.340.25450.250.250.2545
06:003.353.350.25450.250.250.2545
07:009.863.360.54570.50.545
08:009.853.350.54570.50.545
09:009.863.360.54570.50.545
10:009.843.340.54570.50.545
11:009.843.340.54570.50.545
12:0073.340.54573.340.545
13:004.183.340.5454.183.340.545
14:003.333.330.5453.333.330.545
15:003.353.350.5453.353.350.545
16:0073.360.54573.360.545
17:009.863.363.3647.869.863.363.3647.86
18:009.953.450.8445.347.340.840.8445.34
19:009.873.370.54570.50.545
20:0073.360.54573.360.545
21:003.333.330.5453.333.330.545
22:003.343.340.5453.343.340.545
23:002.692.690.25450.250.250.2545