P-5

Ancillary Service Prices, Day Ahead Market

01/30/2003

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)
00:001.251.251.25401.251.251.2540
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
05:001.251.251.25301.251.251.2530
06:002.51.261.26222.51.261.2622
07:002.51.251.25222.51.251.2522
08:003.751.251.25183.751.251.2518
09:003.751.251.25183.751.251.2518
10:003.751.21.27.53.751.21.27.5
11:004.251.21.27.54.251.21.27.5
12:004.251.21.27.54.251.21.27.5
13:003.751.21.27.53.751.21.27.5
14:003.751.21.27.53.751.21.27.5
15:003.751.21.27.53.751.21.27.5
16:003.750.680.68183.750.680.6818
17:003.750.680.687.53.750.680.687.5
18:003.750.680.687.53.750.680.687.5
19:003.751.21.27.53.751.21.27.5
20:004.251.271.277.54.251.271.277.5
21:00141.41.423141.41.423
22:0031.551.554531.551.5545
23:00451.641.6445451.641.6445