P-5

Ancillary Services Prices, Day Ahead Market

01/25/2009

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)
00:003.323.320.25450.250.250.2545
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
06:003.323.320.25450.250.250.2545
07:003.343.340.5453.343.340.545
08:003.333.330.5453.333.330.545
09:003.343.340.5453.343.340.545
10:003.333.330.5453.333.330.545
11:003.333.330.5453.333.330.545
12:000.970.970.5450.970.970.545
13:000.840.840.5450.840.840.545
14:000.840.840.5450.840.840.545
15:000.840.840.5450.840.840.545
16:003.333.330.5453.333.330.545
17:009.853.353.3547.859.853.353.3547.85
18:009.873.373.3747.879.873.373.3747.87
19:008.53.33246.58.53.33246.5
20:009.863.363.3647.869.863.363.3647.86
21:008.743.342.2446.748.743.342.2446.74
22:003.333.330.5453.333.330.545
23:002.642.640.3450.30.30.345