P-5

Ancillary Service Prices, Day Ahead Market

08/29/2003

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)
00:000.660.660.4250.60.60.425
01:000.60.60.35250.60.60.3525
02:000.60.60.35250.60.60.3525
03:000.60.60.35190.60.60.3519
04:000.60.60.35190.60.60.3519
05:000.60.60.35190.60.60.3519
06:000.660.660.4190.60.60.419
07:000.610.610.61250.610.610.6125
08:000.60.60.6140.60.60.614
09:0020.670.671020.670.6710
10:002.20.620.62102.20.620.6210
11:002.20.610.61102.20.610.6110
12:002.20.610.61102.20.610.6110
13:002.20.610.61102.20.610.6110
14:002.20.610.61102.20.610.6110
15:002.20.610.61102.20.610.6110
16:002.20.60.6102.20.60.610
17:002.20.60.6102.20.60.610
18:0020.620.621020.620.6210
19:0020.60.61020.60.610
20:001.40.680.6819.51.40.680.6819.5
21:002.20.620.6219.52.20.620.6219.5
22:002.20.60.619.52.20.60.619.5
23:001.11.11.119.51.11.11.119.5