P-5

Ancillary Service Prices, Day Ahead Market

08/28/2003

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)
00:000.630.630.4250.60.60.425
01:000.550.550.4250.550.550.425
02:000.550.550.35250.550.550.3525
03:000.550.550.35190.550.550.3519
04:000.550.550.35190.550.550.3519
05:000.60.60.35190.60.60.3519
06:000.630.630.4250.60.60.425
07:000.60.60.6250.60.60.625
08:000.60.60.6140.60.60.614
09:002.20.60.6142.20.60.614
10:002.20.60.6142.20.60.614
11:002.20.60.6102.20.60.610
12:002.20.60.6102.20.60.610
13:002.20.60.6102.20.60.610
14:002.20.60.6102.20.60.610
15:002.20.60.6102.20.60.610
16:002.20.60.6102.20.60.610
17:002.20.750.75142.20.750.7514
18:002.20.60.6142.20.60.614
19:002.20.60.6142.20.60.614
20:002.20.590.5919.52.20.590.5919.5
21:002.20.60.619.52.20.60.619.5
22:002.20.60.619.52.20.60.619.5
23:001.41.11.119.51.41.11.119.5