P-5

Ancillary Service Prices, Day Ahead Market

02/04/2003

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)
00:002.251.271.27452.251.271.2745
01:001.251.251.25451.251.251.2545
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
06:002.51.281.28302.51.281.2830
07:002.51.251.25302.51.251.2530
08:003.751.251.25183.751.251.2518
09:003.751.21.2183.751.21.218
10:003.750.990.997.53.750.990.997.5
11:003.751.21.27.53.751.21.27.5
12:003.751.21.27.53.751.21.27.5
13:003.751.261.267.53.751.261.267.5
14:003.751.261.267.53.751.261.267.5
15:003.751.271.277.53.751.271.277.5
16:002.251.21.2182.251.21.218
17:003.750.680.687.53.750.680.687.5
18:003.750.680.687.53.750.680.687.5
19:004.251.261.26184.251.261.2618
20:004.251.21.2184.251.21.218
21:002.51.261.26402.51.261.2640
22:002.51.281.28402.51.281.2840
23:002.51.41.4452.51.41.445