P-5

Ancillary Services Prices, Day Ahead Market

12/25/2011

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)
00:003.533.360.085.50.250.080.085.5
01:003.533.360.085.50.250.080.085.5
02:003.533.360.085.50.250.080.085.5
03:003.533.360.0860.250.080.086
04:003.533.360.0860.250.080.086
05:003.533.360.0810.550.250.080.0810.55
06:003.533.360.089.850.250.080.089.85
07:0010.263.340.087.6870.080.087.68
08:004.733.320.086.321.490.080.086.32
09:002.512.510.085.750.080.080.085.75
10:004.593.320.085.751.350.080.085.75
11:004.693.320.085.751.450.080.085.75
12:004.693.320.085.751.450.080.085.75
13:004.693.320.085.751.450.080.085.75
14:004.693.320.085.751.450.080.085.75
15:004.913.320.4620.40.46
16:004.853.330.482020.480.4820
17:0010.283.360.0857.3270.080.0857.32
18:0010.283.360.082070.080.0820
19:007.163.350.0893.890.080.089
20:006.713.340.0863.450.080.086
21:003.663.320.560.840.50.56
22:003.123.120.084.50.080.080.084.5
23:003.513.340.085.250.250.080.085.25