P-5

Ancillary Service Prices, Day Ahead Market

02/27/2003

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)
00:001.31.31.15401.31.31.1540
01:001.31.31.15401.31.31.1540
02:001.31.31.1515.51.31.31.1515.5
03:001.31.31.1515.51.31.31.1515.5
04:001.31.31.1515.51.31.31.1515.5
05:001.31.31.15301.31.31.1530
06:002.51.261.26302.31.261.2630
07:002.51.41.4302.51.41.430
08:003.51.261.26183.51.261.2618
09:003.51.261.26183.51.261.2618
10:003.51.261.268.43.51.261.268.4
11:003.51.251.258.43.51.251.258.4
12:003.51.251.258.43.51.251.258.4
13:003.51.251.258.43.51.251.258.4
14:003.51.251.258.43.51.251.258.4
15:003.51.261.268.43.51.261.268.4
16:003.51.21.2183.51.21.218
17:003.51.271.27183.51.271.2718
18:0041.271.272041.271.2720
19:0041.271.272041.271.2720
20:003.51.21.2183.51.21.218
21:002.51.251.25402.51.251.2540
22:002.51.261.26402.51.261.2640
23:002.51.251.25402.51.251.2540