P-5

Ancillary Service Prices, Day Ahead Market

03/21/2004

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)
00:001.750.50.5201.750.50.520
01:000.340.340.34200.340.340.3420
02:000.340.340.34200.340.340.3420
03:000.340.340.34200.340.340.3420
04:000.340.340.34200.340.340.3420
05:000.450.450.45200.450.450.4520
06:001.750.840.84201.750.840.8420
07:001.750.360.36111.750.360.3611
08:003.250.340.34113.250.340.3411
09:003.250.330.33113.250.330.3311
10:003.250.320.32353.250.320.3235
11:003.250.320.32353.250.320.3235
12:003.250.320.32353.250.320.3235
13:003.250.320.32353.250.320.3235
14:003.250.320.32353.250.320.3235
15:003.250.320.32353.250.320.3235
16:003.250.20.2353.250.20.235
17:003.250.20.2353.250.20.235
18:00120.20.235120.20.235
19:00120.20.235120.20.235
20:00120.20.225120.20.225
21:003.250.320.32253.250.320.3225
22:001.990.340.34251.990.340.3425
23:001.750.20.2251.750.20.225