P-5

Ancillary Service Prices, Day Ahead Market

05/31/2003

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)
00:001.51.51.48601.51.51.4860
01:001.61.61.48601.61.61.4860
02:001.61.61.48601.61.61.4860
03:001.61.61.4816.81.61.61.4816.8
04:001.61.61.4816.81.61.61.4816.8
05:001.551.551.4816.81.551.551.4816.8
06:001.51.51.48431.51.51.4843
07:00451.451.4560451.451.4560
08:00451.31.360451.31.360
09:00451.31.360451.31.360
10:00451.31.360451.31.360
11:005.51.31.39.85.51.31.39.8
12:005.51.31.39.85.51.31.39.8
13:005.51.31.39.85.51.31.39.8
14:005.51.31.39.85.51.31.39.8
15:0051.31.39.851.31.39.8
16:0051.31.39.851.31.39.8
17:0051.31.36051.31.360
18:005.51.31.3605.51.31.360
19:005.51.31.3605.51.31.360
20:005.51.31.3605.51.31.360
21:005.51.31.3605.51.31.360
22:005.51.31.3605.51.31.360
23:005.51.551.55605.51.551.5560