P-5

Ancillary Service Prices, Day Ahead Market

07/09/2004

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
05:000.360.360.2200.20.20.220
06:000.350.350.2200.20.20.220
07:000.150.150.15120.150.150.1512
08:000.150.150.15120.150.150.1512
09:000.190.190.19120.190.190.1912
10:000.170.170.17120.170.170.1712
11:000.20.20.2120.20.20.212
12:000.20.20.2120.20.20.212
13:000.370.370.37120.370.370.3712
14:000.390.390.39120.390.390.3912
15:000.380.380.38120.380.380.3812
16:000.370.370.37120.370.370.3712
17:000.360.360.36120.360.360.3612
18:000.20.20.2120.20.20.212
19:000.150.150.15120.150.150.1512
20:000.160.160.16120.160.160.1612
21:000.20.20.2120.20.20.212
22:001.750.20.2121.750.20.212
23:000.50.50.5200.50.50.520