P-5

Ancillary Service Prices, Day Ahead Market

08/05/2003

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)
00:000.90.90.9250.90.90.925
01:000.90.90.5250.90.90.525
02:000.90.90.5250.90.90.525
03:000.90.90.5190.90.90.519
04:000.90.90.5190.90.90.519
05:000.840.840.5190.840.840.519
06:000.840.840.84190.840.840.8419
07:000.750.750.75210.750.750.7521
08:002.20.750.75142.20.750.7514
09:003.250.750.75143.250.750.7514
10:003.250.750.75103.250.750.7510
11:003.250.680.68103.250.680.6810
12:003.250.750.75103.250.750.7510
13:003.250.750.75103.250.750.7510
14:003.250.750.75103.250.750.7510
15:003.250.750.75103.250.750.7510
16:003.250.750.75103.250.750.7510
17:003.250.750.75143.250.750.7514
18:003.250.680.68143.250.680.6814
19:003.250.680.68103.250.680.6810
20:002.20.670.67102.20.670.6710
21:002.20.680.6819.52.20.680.6819.5
22:0030.680.6819.530.680.6819.5
23:001.020.90.919.51.020.90.919.5