P-5

Ancillary Service Prices, Day Ahead Market

05/10/2003

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)
00:001.551.551.55801.551.551.5580
01:001.61.61.6801.61.61.680
02:001.61.61.6801.61.61.680
03:001.61.61.48161.61.61.4816
04:001.61.61.48161.61.61.4816
05:001.61.61.48161.61.61.4816
06:001.551.551.55951.551.551.5595
07:00451.351.3595451.351.3595
08:00451.351.3595451.351.3595
09:00451.351.3595451.351.3595
10:00451.351.3595451.351.3595
11:00451.351.359.5451.351.359.5
12:00451.351.359.5451.351.359.5
13:00451.351.359.5451.351.359.5
14:00451.351.359.5451.351.359.5
15:00451.351.359.5451.351.359.5
16:00451.351.359.5451.351.359.5
17:00451.351.3595451.351.3595
18:00451.351.3595451.351.3595
19:00451.351.3595451.351.3595
20:004.251.271.27504.251.271.2750
21:002.81.351.35442.81.351.3544
22:002.81.351.35442.81.351.3544
23:002.81.551.45442.81.551.4544