P-5

Ancillary Services Prices, Day Ahead Market

01/10/2009

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)
00:000.250.250.25450.250.250.2545
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
05:000.250.250.25450.250.250.2545
06:003.093.090.362.120.30.30.362.12
07:0073.340.56573.340.565
08:007.973.091.4773.657.973.091.4773.65
09:007.733.091.2371.567.733.091.2371.56
10:009.092.591.7171.698.211.711.7171.69
11:008.852.691.4745.977.971.811.4745.97
12:007.492.690.9945.497.492.690.9945.49
13:007.492.690.9945.497.492.690.9945.49
14:0072.690.54572.690.545
15:0072.690.54572.690.545
16:007.771.271.2763.717.771.271.2763.71
17:0018.553.343.3456.5518.553.343.3456.55
18:0024.773.343.3462.7724.773.343.3462.77
19:0010.993.353.3548.9910.993.353.3548.99
20:009.833.333.3347.839.833.333.3347.83
21:007.023.330.9945.497.023.330.9945.49
22:003.333.330.5453.333.330.545
23:002.542.540.3450.30.30.345