P-5

Ancillary Services Prices, Day Ahead Market

05/15/2010

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)
00:003.493.320.08280.250.080.0828
01:003.563.360.05280.250.050.0528
02:000.550.550.08280.250.250.0828
03:000.550.550.08280.250.250.0828
04:003.553.350.05280.250.050.0528
05:003.553.350.05280.250.050.0528
06:003.553.350.05280.250.050.0528
07:007.520.60.083870.080.0838
08:0010.243.320.083870.080.0838
09:0010.243.320.083870.080.0838
10:0010.253.330.083870.080.0838
11:0010.283.360.083870.080.0838
12:0010.273.350.083870.080.0838
13:0010.273.350.083870.080.0838
14:0010.243.320.083870.080.0838
15:0010.243.320.083870.080.0838
16:0010.243.320.083870.080.0838
17:0010.243.320.083870.080.0838
18:0010.243.320.083870.080.0838
19:0010.243.320.083870.080.0838
20:007.50.580.083870.080.0838
21:0010.243.320.083870.080.0838
22:0010.253.330.083870.080.0838
23:000.750.580.08280.250.080.0828