P-5

Ancillary Service Prices, Day Ahead Market

12/16/2004

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
01:000.450.450.45200.450.450.4520
02:000.450.450.45200.450.450.4520
03:000.450.450.45200.450.450.4520
04:000.450.450.45200.450.450.4520
05:000.990.990.99200.990.990.9920
06:001.990.990.99201.990.990.9920
07:001.990.370.37201.990.370.3720
08:00120.350.3520120.350.3520
09:00120.350.3514120.350.3514
10:00120.340.3414120.340.3414
11:00120.340.3414120.340.3414
12:001.990.340.34141.990.340.3414
13:001.990.340.34141.990.340.3414
14:001.990.340.34141.990.340.3414
15:001.750.340.34141.750.340.3414
16:00120.330.3320120.330.3320
17:00120.390.3920120.390.3920
18:00120.390.3920120.390.3920
19:00120.390.3914120.390.3914
20:001.990.330.33201.990.330.3320
21:001.990.340.34201.990.340.3420
22:001.990.350.35201.990.350.3520
23:000.990.990.99200.990.990.9920