P-5

Ancillary Services Prices, Day Ahead Market

12/12/2011

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)
00:003.853.850.065.750.060.060.065.75
01:003.853.850.065.50.060.060.065.5
02:003.853.850.065.50.060.060.065.5
03:003.853.850.0660.060.060.066
04:003.853.850.0660.060.060.066
05:003.853.850.066.90.060.060.066.9
06:004.144.140.0660.060.060.066
07:004.674.670.3260.320.320.326
08:004.844.840.3260.320.320.326
09:004.654.650.3260.320.320.326
10:004.844.840.325.950.320.320.325.95
11:004.834.830.325.950.320.320.325.95
12:004.244.240.015.950.010.010.015.95
13:004.234.2305.950005.95
14:004.214.2105.950005.95
15:003.383.38060006
16:0011.974.9702070020
17:0033.159.97044.7970044.79
18:0016.169.970206.190020
19:0011.974.97097009
20:006.44.970.0161.440.010.016
21:004.744.740.3260.320.320.326
22:003.353.350.324.50.320.320.324.5
23:003.343.340.064.50.060.060.064.5