P-5

Ancillary Service Prices, Day Ahead Market

08/15/2003

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)
00:001.11.11.1251.11.11.125
01:000.50.50.5250.50.50.525
02:000.50.50.5250.50.50.525
03:000.50.50.5190.50.50.519
04:000.50.50.5190.50.50.519
05:000.50.50.5190.50.50.519
06:000.60.60.6190.60.60.619
07:001.990.550.55211.990.550.5521
08:002.50.550.55102.50.550.5510
09:003.250.550.55143.250.550.5514
10:003.250.550.55143.250.550.5514
11:00100.550.5510100.550.5510
12:003.250.550.55103.250.550.5510
13:002.50.60.6102.50.60.610
14:003.250.60.6103.250.60.610
15:002.50.60.6102.50.60.610
16:002.50.60.6102.50.60.610
17:0030.550.551430.550.5514
18:002.50.50.5142.50.50.514
19:002.50.550.55142.50.550.5514
20:0030.50.51030.50.510
21:002.250.50.519.52.250.50.519.5
22:002.20.50.519.52.20.50.519.5
23:001.41.11.119.51.41.11.119.5