P-5

Ancillary Service Prices, Day Ahead Market

08/16/2003

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)
00:001.51.11.1251.51.11.125
01:001.11.11.1251.11.11.125
02:000.60.60.6250.60.60.625
03:000.60.60.6190.60.60.619
04:000.60.60.6190.60.60.619
05:000.60.60.6190.60.60.619
06:000.60.60.6190.60.60.619
07:001.40.550.55251.40.550.5525
08:002.20.50.5142.20.50.514
09:002.50.550.55142.50.550.5514
10:003.250.60.6143.250.60.614
11:003.250.550.55103.250.550.5510
12:003.250.60.6103.250.60.610
13:003.250.60.6103.250.60.610
14:003.250.60.6103.250.60.610
15:003.250.60.6103.250.60.610
16:003.250.50.5103.250.50.510
17:003.250.50.5143.250.50.514
18:003.250.50.5143.250.50.514
19:002.50.50.5142.50.50.514
20:003.250.50.5213.250.50.521
21:003.250.550.55213.250.550.5521
22:003.250.550.55103.250.550.5510
23:000.60.50.5190.60.50.519