P-5

Ancillary Service Prices, Day Ahead Market

05/20/2003

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)
00:001.51.51.4690.051.51.51.4690.05
01:001.51.51.4690.051.51.51.4690.05
02:001.51.51.4690.051.51.51.4690.05
03:001.51.51.4616.81.51.51.4616.8
04:001.51.51.4616.81.51.51.4616.8
05:001.51.51.4616.81.51.51.4616.8
06:001.851.851.46441.851.851.4644
07:002.81.351.35952.81.351.3595
08:002.81.351.35432.81.351.3543
09:002.81.41.49.82.81.41.49.8
10:002.81.41.49.82.81.41.49.8
11:002.81.41.49.82.81.41.49.8
12:002.81.41.49.82.81.41.49.8
13:002.81.41.49.82.81.41.49.8
14:002.81.41.49.82.81.41.49.8
15:002.81.451.459.82.81.451.459.8
16:002.81.41.49.82.81.41.49.8
17:002.81.41.4432.81.41.443
18:002.81.31.39.82.81.31.39.8
19:002.81.351.359.82.81.351.359.8
20:002.81.351.35432.81.351.3543
21:002.81.351.359.82.81.351.359.8
22:00451.41.490.05451.41.490.05
23:00452.392.3990.05452.392.3990.05