P-5

Ancillary Service Prices, Day Ahead Market

01/12/2004

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)
00:000.180.180.18250.180.180.1825
01:000.190.190.19250.190.190.1925
02:000.190.190.19200.190.190.1920
03:000.190.190.19200.190.190.1920
04:000.190.190.19200.190.190.1920
05:000.20.20.2250.20.20.225
06:002.51.261.26252.51.261.2625
07:002.50.20.2252.50.20.225
08:00100.20.225100.20.225
09:00100.350.3525100.350.3525
10:00100.350.3511100.350.3511
11:00100.350.3511100.350.3511
12:00100.350.3511100.350.3511
13:00100.350.3511100.350.3511
14:00100.350.3511100.350.3511
15:00100.350.3511100.350.3511
16:00100.20.225100.20.225
17:00100.20.226100.20.226
18:00100.20.225100.20.225
19:00100.20.225100.20.225
20:00100.20.225100.20.225
21:00100.20.225100.20.225
22:003.250.20.2253.250.20.225
23:002.51.251.25252.51.251.2525