P-5

Ancillary Services Prices, Day Ahead Market

04/30/2011

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)
00:0013.93.990.0160.250.010.016
01:0010.773.990.016.250.250.010.016.25
02:000.60.60.0160.010.010.016
03:000.60.60.016.420.010.010.016.42
04:000.60.60.018.570.010.010.018.57
05:0010.973.990.017.870.250.010.017.87
06:0015.63.990.0112.50.250.010.0112.5
07:0016.953.990.0111.2270.010.0111.22
08:0019.573.990.011370.010.0113
09:0020.333.990.011370.010.0113
10:0020.563.990.011370.010.0113
11:0020.83.990.011370.010.0113
12:0020.523.990.011370.010.0113
13:0019.973.990.011370.010.0113
14:0019.933.990.011370.010.0113
15:0019.513.990.011370.010.0113
16:0019.623.990.011370.010.0113
17:0019.823.990.011370.010.0113
18:0019.883.990.011370.010.0113
19:0020.933.990.0117.8370.010.0117.83
20:0024.413.990.011670.010.0116
21:0021.713.990.017.0270.010.017.02
22:0018.923.990.01670.010.016
23:0019.253.990.0170.250.010.017