P-5

Ancillary Service Prices, Day Ahead Market

12/06/2004

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)
00:0040.450.452040.450.4520
01:000.370.370.37200.370.370.3720
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.370.370.37200.370.370.3720
05:0030.840.843530.840.8435
06:0050.450.455050.450.4550
07:0050.20.26550.20.265
08:0050.20.26550.20.265
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
16:00120.20.235120.20.235
17:0050.330.334050.330.3340
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
22:0050.20.23550.20.235
23:000.990.450.45200.990.450.4520