P-5

Ancillary Services Prices, Day Ahead Market

08/30/2012

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)
00:001.611.610.085110.085
01:001.611.610.085110.085
02:00110.085110.085
03:000.20.20.0850.20.20.085
04:000.20.20.086.510.20.20.086.51
05:00110.085.88110.085.88
06:001.611.610.085110.085
07:004.834.830.415220.415
08:004.834.830.4110220.4110
09:004.834.830.417.5220.417.5
10:004.724.720.419.84.574.570.419.8
11:004.814.810.41154.814.810.4115
12:004.924.910.5154.924.910.515
13:00770.515770.515
14:0010100.515770.515
15:0012.0410.030.51574.990.515
16:0015.5410.030.51571.490.515
17:0010100.4215770.4215
18:006.366.360.4213.46.366.360.4213.4
19:004.854.850.4114.314.854.850.4114.31
20:004.864.860.4214.694.864.860.4214.69
21:004.864.860.418.764.864.860.418.76
22:004.814.810.414.5220.414.5
23:001.661.660.085110.085