P-5

Ancillary Service Prices, Day Ahead Market

07/25/2004

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)
00:001.751.751.4201.41.41.420
01:000.50.50.5200.50.50.520
02:000.350.350.35200.350.350.3520
03:000.350.350.35200.350.350.3520
04:000.350.350.35200.350.350.3520
05:000.350.350.35200.350.350.3520
06:000.50.50.5200.50.50.520
07:000.330.330.33120.330.330.3312
08:000.320.320.32120.320.320.3212
09:000.320.320.32120.320.320.3212
10:000.20.20.2120.20.20.212
11:000.20.20.2120.20.20.212
12:000.20.20.2120.20.20.212
13:000.20.20.2120.20.20.212
14:000.20.20.2120.20.20.212
15:000.20.20.2120.20.20.212
16:000.20.20.2120.20.20.212
17:000.20.20.2120.20.20.212
18:000.20.20.2120.20.20.212
19:000.20.20.2120.20.20.212
20:000.20.20.2120.20.20.212
21:001.750.20.2121.750.20.212
22:001.750.330.33121.750.330.3312
23:001.751.751.4201.41.41.420