P-5

Ancillary Service Prices, Day Ahead Market

12/07/2004

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)
00:000.990.450.45200.990.450.4520
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
05:000.990.990.99400.990.990.9940
06:0050.450.455550.450.4555
07:0050.20.27050.20.270
08:0050.20.27050.20.270
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
14:0040.20.21440.20.214
15:0040.20.21440.20.214
16:0050.20.24050.20.240
17:0050.350.353550.350.3535
18:0050.330.333550.330.3335
19:0050.330.3317.4950.330.3317.49
20:0050.20.23550.20.235
21:0050.20.24050.20.240
22:0040.20.26540.20.265
23:000.450.450.45200.450.450.4520