P-5

Ancillary Services Prices, Day Ahead Market

12/27/2011

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)
00:003.513.340.085.60.250.080.085.6
01:003.513.340.085.50.250.080.085.5
02:003.513.340.085.50.250.080.085.5
03:003.513.340.0860.250.080.086
04:003.513.340.0860.250.080.086
05:003.523.350.088.570.250.080.088.57
06:002.342.340.0860.080.080.086
07:003.033.030.2560.250.250.256
08:003.323.320.2560.250.250.256
09:003.323.320.255.750.250.250.255.75
10:005.093.340.255.7520.250.255.75
11:004.983.330.255.751.90.250.255.75
12:004.663.330.255.751.580.250.255.75
13:004.213.330.255.751.130.250.255.75
14:003.943.330.255.750.860.250.255.75
15:004.353.320.255.751.280.250.255.75
16:005.083.330.252020.250.2520
17:0011.724.970.252070.250.2520
18:0010.113.360.252070.250.2520
19:007.853.360.2594.740.250.259
20:005.093.340.25620.250.256
21:004.783.320.2561.710.250.256
22:003.583.320.255.250.510.250.255.25
23:003.523.350.085.40.250.080.085.4