P-5

Ancillary Service Prices, Day Ahead Market

08/12/2003

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)
00:000.60.480.35250.60.480.3525
01:000.50.50.4250.50.50.425
02:000.50.50.4250.50.50.425
03:000.50.50.4190.50.50.419
04:000.50.50.4190.50.50.419
05:000.50.50.4190.50.50.419
06:000.60.60.4190.60.60.419
07:001.40.60.6251.40.60.625
08:002.20.550.55142.20.550.5514
09:002.20.550.55142.20.550.5514
10:002.20.550.55142.20.550.5514
11:002.20.50.5102.20.50.510
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
17:002.10.550.55102.10.550.5510
18:002.20.550.55102.20.550.5510
19:002.20.550.55102.20.550.5510
20:002.20.550.55102.20.550.5510
21:002.20.550.5519.52.20.550.5519.5
22:002.20.550.5519.52.20.550.5519.5
23:000.60.480.3519.50.60.350.3519.5