P-5

Ancillary Service Prices, Day Ahead Market

05/24/2003

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)
00:001.551.551.4441.551.551.444
01:001.61.61.4441.61.61.444
02:001.61.61.4441.61.61.444
03:001.61.61.416.81.61.61.416.8
04:001.61.61.416.81.61.61.416.8
05:001.61.61.416.81.61.61.416.8
06:001.551.551.4441.551.551.444
07:00451.31.360451.31.360
08:00451.31.360451.31.360
09:00451.31.360451.31.360
10:00451.31.360451.31.360
11:00451.31.39.8451.31.39.8
12:00451.31.39.8451.31.39.8
13:00451.31.39.8451.31.39.8
14:00451.31.39.8451.31.39.8
15:00451.31.39.8451.31.39.8
16:00451.31.39.8451.31.39.8
17:00451.31.360451.31.360
18:00451.31.360451.31.360
19:00451.31.360451.31.360
20:005.51.31.39.85.51.31.39.8
21:005.51.31.39.85.51.31.39.8
22:00451.41.460451.41.460
23:005.51.551.42432.81.421.4243