P-5

Ancillary Service Prices, Day Ahead Market

05/23/2003

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)
00:001.51.51.46911.51.51.4691
01:001.61.61.46911.61.61.4691
02:001.61.61.46911.61.61.4691
03:001.61.61.4616.81.61.61.4616.8
04:001.61.61.4616.81.61.61.4616.8
05:001.61.61.4616.81.61.61.4616.8
06:00452.451.4891451.481.4891
07:00451.31.399451.31.399
08:005.51.31.3605.51.31.360
09:005.51.351.359.85.51.351.359.8
10:005.51.351.359.85.51.351.359.8
11:002.81.351.359.82.81.351.359.8
12:002.81.351.359.82.81.351.359.8
13:002.81.351.359.82.81.351.359.8
14:002.81.41.49.82.81.41.49.8
15:002.81.41.49.82.81.41.49.8
16:002.81.351.359.82.81.351.359.8
17:005.51.351.35605.51.351.3560
18:005.51.351.35605.51.351.3560
19:005.51.31.3605.51.31.360
20:005.51.31.3605.51.31.360
21:005.51.31.3605.51.31.360
22:00451.351.3591451.351.3591
23:005.51.551.42602.81.421.4260