P-5

Ancillary Service Prices, Day Ahead Market

01/20/2003

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)
00:001.251.251.25251.251.251.2525
01:001.221.221.22221.221.221.2222
02:001.221.221.22341.221.221.2234
03:001.221.221.22341.221.221.2234
04:001.221.221.22121.221.221.2212
05:001.751.751.27221.271.271.2722
06:001.951.271.27221.951.271.2722
07:003.251.271.27183.251.271.2718
08:003.251.271.27183.251.271.2718
09:003.251.271.27183.251.271.2718
10:003.251.21.27.53.251.21.27.5
11:004.251.21.27.54.251.21.27.5
12:003.251.21.27.53.251.21.27.5
13:003.251.21.27.53.251.21.27.5
14:003.251.21.27.53.251.21.27.5
15:003.251.21.27.53.251.21.27.5
16:004.251.261.26184.251.261.2618
17:00131.950.5181.950.50.518
18:00131.950.5181.950.50.518
19:004.251.951.15181.951.151.1518
20:003.252.520.5181.950.50.518
21:003.251.950.5181.950.50.518
22:003.251.261.26183.251.261.2618
23:001.951.271.27251.951.271.2725