P-5

Ancillary Service Prices, Day Ahead Market

09/24/2004

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)
00:000.370.370.2200.20.20.220
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.20.20.2550.20.20.255
06:000.370.370.2750.20.20.275
07:000.320.320.32750.320.320.3275
08:000.330.330.33750.330.330.3375
09:000.330.330.33400.330.330.3340
10:000.320.320.32400.320.320.3240
11:000.320.320.32140.320.320.3214
12:000.180.180.18140.180.180.1814
13:000.990.320.32140.990.320.3214
14:001.990.320.32141.990.320.3214
15:000.380.380.38140.380.380.3814
16:000.370.370.37160.370.370.3716
17:001.991.991.99401.991.991.9940
18:000.360.360.36400.360.360.3640
19:0030.20.24030.20.240
20:0030.360.364030.360.3640
21:001.990.380.38401.990.380.3840
22:000.380.380.38400.380.380.3840
23:000.390.390.39200.390.390.3920