P-5

Ancillary Service Prices, Day Ahead Market

08/03/2004

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
01:000.180.180.18200.180.180.1820
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
07:000.150.150.15140.150.150.1514
08:000.20.20.2140.20.20.214
09:000.20.20.2140.20.20.214
10:000.990.20.2140.990.20.214
11:000.990.20.2140.990.20.214
12:000.990.320.32140.990.320.3214
13:001.750.320.32141.750.320.3214
14:000.330.330.33140.330.330.3314
15:001.750.330.33141.750.330.3314
16:001.750.320.32141.750.320.3214
17:000.990.320.32140.990.320.3214
18:001.750.20.2141.750.20.214
19:000.190.190.19140.190.190.1914
20:000.180.180.18140.180.180.1814
21:000.20.20.2140.20.20.214
22:001.750.20.2141.750.20.214
23:001.990.50.5201.990.50.520