P-5

Ancillary Service Prices, Day Ahead Market

01/28/2003

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)
00:003.751.271.27403.751.271.2740
01:001.221.221.22221.221.221.2222
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
06:0041.271.272241.271.2722
07:0041.421.422341.421.4223
08:004.251.41.4224.251.41.422
09:004.251.41.4224.251.41.422
10:00131.281.287.5131.281.287.5
11:00141.261.267.5141.261.267.5
12:00141.261.267.5141.261.267.5
13:00131.261.267.5131.261.267.5
14:004.251.261.267.54.251.261.267.5
15:004.251.271.277.54.251.271.277.5
16:00131.281.2822131.281.2822
17:00141.451.27231.951.271.2723
18:00141.451.27221.951.271.2722
19:00131.451.4221.951.41.422
20:003.751.451.27.51.951.21.27.5
21:0041.261.262341.261.2623
22:0041.281.284541.281.2845
23:0041.41.44541.41.445