P-5

Ancillary Service Prices, Day Ahead Market

05/08/2003

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)
00:001.51.51.42951.51.51.4295
01:001.51.51.42951.51.51.4295
02:001.51.51.42951.51.51.4295
03:001.51.51.4161.51.51.416
04:001.51.51.4161.51.51.416
05:001.51.51.4161.51.51.416
06:001.851.551.42501.851.421.4250
07:003.51.351.35953.51.351.3595
08:003.51.351.35443.51.351.3544
09:003.51.351.35503.51.351.3550
10:003.51.351.35443.51.351.3544
11:002.81.351.359.52.81.351.359.5
12:002.81.351.359.52.81.351.359.5
13:002.81.351.359.52.81.351.359.5
14:002.81.41.49.52.81.41.49.5
15:003.51.41.49.53.51.41.49.5
16:002.81.41.49.52.81.41.49.5
17:003.51.41.4503.51.41.450
18:003.51.41.4443.51.41.444
19:003.51.351.35503.51.351.3550
20:003.51.351.35503.51.351.3550
21:003.51.261.26953.51.261.2695
22:00451.41.495451.41.495
23:003.51.551.48952.81.481.4895