P-5

Ancillary Service Prices, Day Ahead Market

07/22/2004

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)
00:000.350.350.2200.20.20.220
01:000.360.360.2200.20.20.220
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.10.10.1200.10.10.120
06:000.350.350.2200.20.20.220
07:000.180.180.18120.180.180.1812
08:000.190.190.19120.190.190.1912
09:000.20.20.2120.20.20.212
10:000.180.180.18120.180.180.1812
11:000.20.20.2120.20.20.212
12:000.20.20.2120.20.20.212
13:000.320.320.32120.320.320.3212
14:000.990.320.32120.990.320.3212
15:000.320.320.32120.320.320.3212
16:000.20.20.2120.20.20.212
17:000.20.20.2120.20.20.212
18:000.20.20.2120.20.20.212
19:000.150.150.15120.150.150.1512
20:000.150.150.15120.150.150.1512
21:000.990.20.2120.990.20.212
22:000.20.20.2120.20.20.212
23:000.450.450.45200.450.450.4520