P-5

Ancillary Service Prices, Day Ahead Market

03/08/2004

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)
00:000.380.380.38250.380.380.3825
01:000.390.390.39250.390.390.3925
02:000.390.390.39200.390.390.3920
03:000.390.390.39200.390.390.3920
04:000.380.380.38200.380.380.3820
05:001.750.840.84201.750.840.8420
06:003.250.450.45253.250.450.4525
07:003.250.350.35113.250.350.3511
08:003.250.360.36353.250.360.3635
09:003.250.360.36353.250.360.3635
10:003.250.340.34113.250.340.3411
11:00120.450.4511120.450.4511
12:003.250.340.34113.250.340.3411
13:003.250.340.34113.250.340.3411
14:003.250.340.34113.250.340.3411
15:003.250.340.34113.250.340.3411
16:003.250.20.2353.250.20.235
17:00120.340.3435120.340.3435
18:00120.390.3935120.390.3935
19:00120.390.3911120.390.3911
20:003.250.450.45253.250.450.4525
21:00120.450.4525120.450.4525
22:003.250.340.34253.250.340.3425
23:0030.20.22530.20.225