P-5

Ancillary Service Prices, Day Ahead Market

03/20/2004

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)
00:0030.50.52530.50.525
01:000.390.390.39250.390.390.3925
02:000.390.390.39200.390.390.3920
03:000.390.390.39200.390.390.3920
04:000.390.390.39200.390.390.3920
05:001.750.840.84201.750.840.8420
06:001.750.50.5201.750.50.520
07:0030.340.343530.340.3435
08:00120.320.3235120.320.3235
09:00120.320.3235120.320.3235
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:003.250.20.2113.250.20.211
13:003.250.20.2113.250.20.211
14:003.250.20.2113.250.20.211
15:003.250.20.2113.250.20.211
16:003.250.20.2353.250.20.235
17:00120.20.235120.20.235
18:00120.20.235120.20.235
19:00120.20.235120.20.235
20:00120.20.225120.20.225
21:00120.20.225120.20.225
22:001.990.330.33251.990.330.3325
23:001.750.20.2251.750.20.225