P-5

Ancillary Service Prices, Day Ahead Market

10/13/2004

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
01:000.360.360.36200.360.360.3620
02:000.150.150.15200.150.150.1520
03:000.150.150.15200.150.150.1520
04:000.150.150.15200.150.150.1520
05:001.21.21.2401.21.21.240
06:001.991.261.26551.991.261.2655
07:000.990.340.34550.990.340.3455
08:000.340.340.34400.340.340.3440
09:0030.340.341630.340.3416
10:0030.330.331630.330.3316
11:0060.390.391460.390.3914
12:0060.320.321460.320.3214
13:0060.330.331460.330.3314
14:0060.20.21460.20.214
15:0060.20.21460.20.214
16:0060.20.24060.20.240
17:0060.320.324060.320.3240
18:0060.20.21660.20.216
19:0060.20.21660.20.216
20:0060.320.321660.320.3216
21:0030.450.454030.450.4540
22:0030.20.24030.20.240
23:001.990.840.84201.990.840.8420