P-5

Ancillary Services Prices, Day Ahead Market

04/27/2011

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)
00:004.233.990.0160.250.010.016
01:004.233.990.0160.250.010.016
02:004.233.990.016.070.250.010.016.07
03:004.233.990.016.30.250.010.016.3
04:004.233.990.0114.110.250.010.0114.11
05:004.233.990.01120.250.010.0112
06:004.233.990.0160.250.010.016
07:0010.963.990.03670.030.036
08:0010.963.990.031370.030.0313
09:0010.943.990.051370.050.0513
10:0010.963.990.031370.030.0313
11:0010.963.990.031370.030.0313
12:0010.963.990.031370.030.0313
13:0010.963.990.031370.030.0313
14:0010.963.990.031370.030.0313
15:0010.963.990.031370.030.0313
16:0010.963.990.031370.030.0313
17:0014.533.9901370013
18:0010.963.990.031370.030.0313
19:0010.493.990.522.3470.50.522.34
20:0010.833.990.1616.7670.160.1616.76
21:0010.963.990.037.3870.030.037.38
22:0010.963.990.03670.030.036
23:004.233.990.0160.250.010.016