P-5

Ancillary Service Prices, Day Ahead Market

01/25/2003

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)
00:001.251.251.25951.251.251.2595
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
05:001.221.221.22221.221.221.2222
06:001.951.271.27221.951.271.2722
07:00131.281.2822131.281.2822
08:00141.251.2522141.251.2522
09:00141.251.2523141.251.2523
10:00140.680.687.5140.680.687.5
11:00140.680.687.5140.680.687.5
12:00140.680.687.5140.680.687.5
13:00140.990.997.5140.990.997.5
14:00140.990.997.5140.990.997.5
15:00140.990.997.5140.990.997.5
16:00140.680.6823140.680.6823
17:00140.680.5221.950.50.522
18:00140.680.5231.950.50.523
19:00130.990.9923130.990.9923
20:00140.990.9923140.990.9923
21:00141.151.1523141.151.1523
22:0041.41.49541.41.495
23:0041.41.44541.41.445