P-5

Ancillary Services Prices, Day Ahead Market

07/25/2011

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)
00:001.140.910.0280.250.020.028
01:000.680.440.0180.250.010.018
02:000.20.20.0180.010.010.018
03:000.20.20.0180.010.010.018
04:000.20.20.0180.010.010.018
05:000.250.250.0180.010.010.018
06:000.420.420.0180.010.010.018
07:004.822.050.1814.42.950.180.1814.4
08:009.712.890.1817.7470.180.1817.74
09:0015.688.860.181470.180.1814
10:0015.538.710.181470.180.1814
11:0016.189.680.51570.50.515
12:0011.099.590.51420.50.514
13:0015.129.990.5145.630.50.514
14:0016.499.990.51470.50.514
15:0016.499.990.51470.50.514
16:0016.499.990.51470.50.514
17:0015.589.990.5146.090.50.514
18:009.999.990.5140.50.50.514
19:00109.990.5150.510.50.515
20:009.999.990.5150.50.50.515
21:004.823.320.51520.50.515
22:001.971.970.514.50.50.50.514.5
23:000.670.440.0280.250.020.028