P-5

Ancillary Service Prices, Day Ahead Market

11/18/2004

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)
00:000.840.840.84200.840.840.8420
01:000.370.370.37200.370.370.3720
02:000.370.370.37200.370.370.3720
03:000.370.370.37200.370.370.3720
04:000.370.370.37200.370.370.3720
05:000.990.990.99350.990.990.9935
06:001.990.840.84751.990.840.8475
07:0050.320.329550.320.3295
08:0050.20.29550.20.295
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
15:0050.20.21450.20.214
16:0050.20.26550.20.265
17:00120.350.3517.49120.350.3517.49
18:0050.340.3417.4950.340.3417.49
19:001.990.340.34161.990.340.3416
20:0050.340.343550.340.3435
21:0050.20.23550.20.235
22:0050.20.217.4950.20.217.49
23:000.990.450.45200.990.450.4520