P-5

Ancillary Service Prices, Day Ahead Market

01/23/2003

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)
00:001.221.221.22451.221.221.2245
01:001.221.221.22231.221.221.2223
02:001.221.221.22231.221.221.2223
03:001.221.221.22231.221.221.2223
04:001.221.221.22231.221.221.2223
05:001.251.251.25231.251.251.2523
06:00131.281.2822131.281.2822
07:003.751.251.25223.751.251.2522
08:003.751.271.27233.751.271.2723
09:004.251.271.27224.251.271.2722
10:004.251.251.27.51.951.21.27.5
11:004.251.251.27.51.951.21.27.5
12:0041.251.27.51.951.21.27.5
13:004.251.251.27.51.951.21.27.5
14:004.251.251.27.51.951.21.27.5
15:004.251.21.27.54.251.21.27.5
16:004.251.450.55231.950.550.5523
17:00142.511.2231.951.21.223
18:00142.510.55221.950.550.5522
19:00132.511.4221.951.41.422
20:004.251.951.27.51.951.21.27.5
21:0042.511.15231.951.151.1523
22:003.751.251.15401.951.151.1540
23:003.751.21.2403.751.21.240