P-5

Ancillary Service Prices, Day Ahead Market

07/23/2004

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
01:000.20.20.2200.20.20.220
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
07:000.150.150.15120.150.150.1512
08:000.150.150.15120.150.150.1512
09:000.180.180.18120.180.180.1812
10:000.160.160.16120.160.160.1612
11:000.180.180.18120.180.180.1812
12:000.150.150.15120.150.150.1512
13:000.20.20.2120.20.20.212
14:000.990.320.32120.990.320.3212
15:001.750.320.32121.750.320.3212
16:000.990.20.2120.990.20.212
17:000.20.20.2120.20.20.212
18:000.150.150.15120.150.150.1512
19:000.180.180.18120.180.180.1812
20:000.20.20.2120.20.20.212
21:000.990.20.2120.990.20.212
22:000.990.20.2120.990.20.212
23:000.50.50.5200.50.50.520