P-5

Ancillary Service Prices, Day Ahead Market

09/16/2004

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
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.10.10.1550.10.10.155
06:000.370.370.2750.20.20.275
07:000.20.20.2750.20.20.275
08:000.20.20.2400.20.20.240
09:000.20.20.2400.20.20.240
10:000.20.20.2160.20.20.216
11:000.20.20.2140.20.20.214
12:000.990.20.2140.990.20.214
13:000.320.320.32140.320.320.3214
14:000.320.320.32140.320.320.3214
15:000.990.320.32140.990.320.3214
16:000.990.20.2160.990.20.216
17:000.20.20.2160.20.20.216
18:000.990.370.37400.990.370.3740
19:000.990.150.15400.990.150.1540
20:001.990.150.15401.990.150.1540
21:0030.150.154030.150.1540
22:0030.150.154030.150.1540
23:0031.271.272031.271.2720