P-5

Ancillary Services Prices, Day Ahead Market

11/16/2009

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)
00:000.20.20.2280.20.20.228
01:000.20.20.2280.20.20.228
02:000.20.20.2280.20.20.228
03:000.20.20.2280.20.20.228
04:000.20.20.2280.20.20.228
05:000.20.20.2280.20.20.228
06:003.323.320.2531.050.250.250.2531.05
07:003.343.340.531.473.343.340.531.47
08:0053.330.53553.330.535
09:0053.330.53353.330.533
10:005.143.330.5335.143.330.533
11:005.793.330.5285.793.330.528
12:0053.330.52853.330.528
13:0053.330.52853.330.528
14:0053.330.52853.330.528
15:0053.330.52853.330.528
16:0073.330.530.5473.330.530.54
17:009.43.330.532.4570.930.532.45
18:006.953.330.530.656.953.330.530.65
19:0073.330.535.5973.330.535.59
20:005.773.330.534.435.773.330.534.43
21:0053.330.53353.330.533
22:0073.330.52873.330.528
23:000.30.30.2280.250.250.228