P-5

Ancillary Service Prices, Day Ahead Market

08/27/2003

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)
00:001.11.11.1601.11.11.160
01:000.60.60.6600.60.60.660
02:000.60.60.6600.60.60.660
03:000.60.60.4190.60.60.419
04:000.60.60.4190.60.60.419
05:000.60.60.6190.60.60.619
06:000.660.660.66190.660.660.6619
07:001.40.620.62601.40.620.6260
08:003.250.60.6603.250.60.660
09:003.250.60.6143.250.60.614
10:003.250.60.6143.250.60.614
11:0030.610.611030.610.6110
12:003.250.60.6103.250.60.610
13:002.50.610.61102.50.610.6110
14:003.250.650.65103.250.650.6510
15:0030.650.651030.650.6510
16:003.250.660.66103.250.660.6610
17:003.250.680.68143.250.680.6814
18:003.250.680.68143.250.680.6814
19:002.50.60.6102.50.60.610
20:002.50.60.6102.50.60.610
21:002.20.60.619.52.20.60.619.5
22:002.20.60.619.52.20.60.619.5
23:000.750.750.7519.50.750.750.7519.5