P-5

Ancillary Services Prices, Day Ahead Market

06/25/2008

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)
00:000.350.350.1450.250.250.145
01:000.250.250.1450.250.250.145
02:000.20.20.146.010.20.20.146.01
03:000.20.20.154.260.20.20.154.26
04:000.20.20.156.390.20.20.156.39
05:000.250.250.148.30.250.250.148.3
06:000.370.370.173.30.250.250.173.3
07:0073.990.166073.990.1660
08:0073.10.166073.10.1660
09:006.954.290.5606.954.290.560
10:006.953.890.5606.953.890.560
11:009.113.890.58071.780.580
12:0073.450.54273.450.542
13:0011.664.80.560.0170.50.560.01
14:0023.54.80.58070.50.580
15:0032.534.80.58070.50.580
16:0035.794.290.58070.50.580
17:009.853.350.56070.50.560
18:0073.360.56073.360.560
19:006.953.370.5606.953.370.560
20:006.953.360.5606.953.360.560
21:0018.033.49271.0318.033.49271.03
22:0010.393.890.55070.50.550
23:000.410.410.25450.250.250.2545