P-5

Ancillary Service Prices, Day Ahead Market

08/30/2003

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)
00:000.680.680.68950.680.680.6895
01:000.60.60.6950.60.60.695
02:000.550.550.55950.550.550.5595
03:000.550.550.55190.550.550.5519
04:000.550.550.55190.550.550.5519
05:000.60.60.6190.60.60.619
06:000.680.680.68600.680.680.6860
07:000.610.610.61880.610.610.6188
08:002.20.60.6882.20.60.688
09:002.20.60.6882.20.60.688
10:002.20.60.6882.20.60.688
11:0030.60.61030.60.610
12:0030.60.61030.60.610
13:0030.60.61030.60.610
14:002.20.60.6102.20.60.610
15:0030.60.61030.60.610
16:0030.60.61030.60.610
17:0030.60.69530.60.695
18:002.20.60.6882.20.60.688
19:002.20.60.6882.20.60.688
20:002.20.60.6882.20.60.688
21:002.20.60.6882.20.60.688
22:002.20.60.6952.20.60.695
23:001.41.41.4951.41.41.495