P-5

Ancillary Services Prices, Day Ahead Market

12/15/2011

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)
00:003.053.050.085.50.080.080.085.5
01:003.053.050.085.50.080.080.085.5
02:003.053.050.085.50.080.080.085.5
03:003.053.050.0860.080.080.086
04:003.053.050.0860.080.080.086
05:003.053.050.0860.080.080.086
06:003.323.320.0860.080.080.086
07:003.363.360.2860.280.280.286
08:003.363.360.2860.280.280.286
09:003.383.380.285.750.280.280.285.75
10:004.643.380.285.751.540.280.285.75
11:004.653.380.285.751.550.280.285.75
12:003.363.360.285.750.280.280.285.75
13:003.363.360.285.750.280.280.285.75
14:003.363.360.285.750.280.280.285.75
15:003.363.360.285.750.280.280.285.75
16:006.563.470.28203.370.280.2820
17:0010.974.970.28206.280.280.2820
18:005.183.460.282020.280.2820
19:006.143.380.2893.040.280.289
20:004.873.380.2861.770.280.286
21:003.323.320.2860.280.280.286
22:001.061.060.284.50.280.280.284.5
23:000.870.870.084.50.080.080.084.5