P-5

Ancillary Service Prices, Day Ahead Market

01/27/2003

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)
00:001.251.251.25451.251.251.2545
01:001.221.221.22231.221.221.2223
02:001.221.221.22121.221.221.2212
03:001.221.221.22121.221.221.2212
04:001.221.221.22121.221.221.2212
05:001.251.251.25221.251.251.2522
06:0041.41.42241.41.422
07:00141.281.287.5141.281.287.5
08:003.751.251.25223.751.251.2522
09:003.751.261.26223.751.261.2622
10:004.251.271.277.54.251.271.277.5
11:004.251.281.287.54.251.281.287.5
12:003.751.21.27.53.751.21.27.5
13:0041.21.27.541.21.27.5
14:003.751.21.27.53.751.21.27.5
15:003.751.251.257.53.751.251.257.5
16:00131.281.287.5131.281.287.5
17:00141.451.28231.951.281.2823
18:00141.451.28231.951.281.2823
19:004.251.451.4231.951.41.423
20:0041.451.2231.951.21.223
21:003.751.251.2231.951.21.223
22:003.751.251.25403.751.251.2540
23:003.751.251.25403.751.251.2540