P-5

Ancillary Service Prices, Day Ahead Market

09/13/2004

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)
00:000.380.380.38200.380.380.3820
01:000.320.320.32200.320.320.3220
02:000.320.320.32200.320.320.3220
03:000.320.320.32200.320.320.3220
04:000.320.320.32200.320.320.3220
05:000.320.320.32550.320.320.3255
06:000.390.390.39950.390.390.3995
07:000.20.20.2400.20.20.240
08:000.180.180.18140.180.180.1814
09:000.190.190.19140.190.190.1914
10:000.20.20.2140.20.20.214
11:000.20.20.2140.20.20.214
12:000.20.20.2140.20.20.214
13:000.20.20.2140.20.20.214
14:000.330.330.33140.330.330.3314
15:000.320.320.32140.320.320.3214
16:000.20.20.2140.20.20.214
17:000.150.150.15140.150.150.1514
18:000.150.150.15140.150.150.1514
19:000.180.180.18140.180.180.1814
20:000.150.150.15140.150.150.1514
21:000.20.20.2140.20.20.214
22:000.20.20.2140.20.20.214
23:000.450.450.45200.450.450.4520