P-5

Ancillary Services Prices, Day Ahead Market

11/10/2008

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)
00:001.571.570.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25500.250.250.2550
06:003.343.340.2561.690.250.250.2561.69
07:0073.360.54573.360.545
08:009.083.353.35859.083.353.3585
09:0010.13.363.368510.13.363.3685
10:0010.583.343.348510.583.343.3485
11:006.953.343.3478.676.953.343.3478.67
12:0012.963.343.3486.2112.963.343.3486.21
13:0012.623.343.3487.5112.623.343.3487.51
14:0012.543.343.3488.9912.543.343.3488.99
15:0011.213.343.3490.9411.213.343.3490.94
16:006.953.090.5456.953.090.545
17:009.53.09347.59.53.09347.5
18:009.483.092.9847.489.483.092.9847.48
19:007.973.091.4745.977.973.091.4745.97
20:009.133.092.6347.139.133.092.6347.13
21:007.273.331.2345.737.273.331.2345.73
22:003.333.330.5453.333.330.545
23:003.093.090.3450.30.30.345