P-5

Ancillary Service Prices, Day Ahead Market

01/06/2004

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)
00:001.750.450.25250.990.250.2525
01:000.160.160.16250.160.160.1625
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.360.360.36250.360.360.3625
06:001.750.450.25200.990.250.2520
07:0030.20.22530.20.225
08:0030.20.22530.20.225
09:0030.20.22530.20.225
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:003.250.20.2113.250.20.211
13:001.990.20.2111.990.20.211
14:001.990.20.2111.990.20.211
15:001.990.20.2111.990.20.211
16:003.250.20.2113.250.20.211
17:003.250.350.35253.250.350.3525
18:003.250.350.35113.250.350.3511
19:001.750.350.35111.750.350.3511
20:001.750.350.35111.750.350.3511
21:00100.390.3925100.390.3925
22:00100.20.225100.20.225
23:00100.450.25201.990.250.2520