P-5

Ancillary Service Prices, Day Ahead Market

12/12/2003

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)
00:000.840.840.5200.50.50.520
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:001.11.10.5200.50.50.520
06:001.990.180.18201.990.180.1820
07:003.250.150.15173.250.150.1517
08:003.250.150.15173.250.150.1517
09:003.250.150.15173.250.150.1517
10:003.250.150.15113.250.150.1511
11:003.250.150.15113.250.150.1511
12:0030.150.151130.150.1511
13:001.750.150.15111.750.150.1511
14:001.750.150.15111.750.150.1511
15:001.750.150.15111.750.150.1511
16:001.750.150.15111.750.150.1511
17:003.250.20.2113.250.20.211
18:001.750.20.2111.750.20.211
19:003.250.20.2113.250.20.211
20:003.250.20.2113.250.20.211
21:003.250.50.5203.250.50.520
22:001.750.150.15201.750.150.1520
23:003.250.50.5203.250.50.520