P-5

Ancillary Service Prices, Day Ahead Market

02/28/2003

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)
00:001.31.31.2401.31.31.240
01:001.31.31.2401.31.31.240
02:001.31.31.215.51.31.31.215.5
03:001.31.31.215.51.31.31.215.5
04:001.31.31.215.51.31.31.215.5
05:001.31.31.2301.31.31.230
06:002.492.491.2302.32.31.230
07:002.51.261.26302.51.261.2630
08:003.51.271.27183.51.271.2718
09:003.51.271.27183.51.271.2718
10:003.51.251.258.43.51.251.258.4
11:003.51.251.258.43.51.251.258.4
12:003.51.251.258.43.51.251.258.4
13:003.51.21.28.43.51.21.28.4
14:003.51.21.28.43.51.21.28.4
15:003.51.21.28.43.51.21.28.4
16:003.51.261.26183.51.261.2618
17:002.31.151.158.42.31.151.158.4
18:002.31.151.15182.31.151.1518
19:002.31.151.15182.31.151.1518
20:002.30.990.99182.30.990.9918
21:002.51.261.26402.51.261.2640
22:002.51.41.4402.51.41.440
23:002.51.41.4402.51.41.440