P-5

Ancillary Service Prices, Day Ahead Market

08/13/2003

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)
00:000.60.480.35250.60.480.3525
01:000.50.50.35250.50.50.3525
02:000.50.50.35250.50.50.3525
03:000.50.50.35190.50.50.3519
04:000.50.50.35190.50.50.3519
05:000.50.50.35190.50.50.3519
06:000.480.480.35190.480.480.3519
07:000.550.550.55250.550.550.5525
08:0020.550.551420.550.5514
09:0020.550.551420.550.5514
10:002.20.50.5142.20.50.514
11:002.20.550.55102.20.550.5510
12:002.20.550.55102.20.550.5510
13:002.20.550.55102.20.550.5510
14:002.20.550.55102.20.550.5510
15:002.20.550.55102.20.550.5510
16:002.20.550.55102.20.550.5510
17:003.250.550.55143.250.550.5514
18:002.20.550.55142.20.550.5514
19:002.20.550.55142.20.550.5514
20:002.20.550.5519.52.20.550.5519.5
21:001.990.550.5519.51.990.550.5519.5
22:002.20.550.5519.52.20.550.5519.5
23:000.60.480.4819.50.60.480.4819.5