P-5

Ancillary Service Prices, Day Ahead Market

08/06/2003

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)
00:000.680.680.4250.680.680.425
01:000.90.90.4250.90.90.425
02:000.90.90.4250.90.90.425
03:000.90.90.4190.90.90.419
04:000.90.90.4190.90.90.419
05:000.840.840.4190.840.840.419
06:000.680.680.4190.680.680.419
07:001.40.750.75211.40.750.7521
08:002.20.750.75142.20.750.7514
09:003.250.750.75143.250.750.7514
10:003.250.680.68143.250.680.6814
11:003.250.680.68103.250.680.6810
12:002.20.680.68102.20.680.6810
13:003.250.750.75103.250.750.7510
14:00100.750.7510100.750.7510
15:00100.750.7510100.750.7510
16:003.250.680.68103.250.680.6810
17:002.50.750.75102.50.750.7510
18:002.20.680.68102.20.680.6810
19:002.20.680.68102.20.680.6810
20:002.20.680.6819.52.20.680.6819.5
21:002.20.680.6819.52.20.680.6819.5
22:002.20.750.75212.20.750.7521
23:001.020.680.35211.020.680.3521