P-5

Ancillary Service Prices, Day Ahead Market

11/27/2004

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)
00:000.350.350.35200.350.350.3520
01:000.360.360.36200.360.360.3620
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.30.30.3200.30.30.320
05:000.360.360.36350.360.360.3635
06:000.840.840.84990.840.840.8499
07:000.20.20.2990.20.20.299
08:000.20.20.2990.20.20.299
09:0050.20.23550.20.235
10:0050.20.23550.20.235
11:0050.20.21450.20.214
12:0050.20.21450.20.214
13:0050.20.21450.20.214
14:0050.20.21450.20.214
15:0030.20.21430.20.214
16:0050.190.199950.190.1999
17:0050.20.27050.20.270
18:0050.20.27050.20.270
19:0050.180.1817.4950.180.1817.49
20:0050.190.193550.190.1935
21:0050.20.23550.20.235
22:000.20.20.2350.20.20.235
23:000.450.450.45200.450.450.4520