P-5

Ancillary Service Prices, Day Ahead Market

03/26/2004

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)
00:000.840.840.84250.840.840.8425
01:000.450.450.45250.450.450.4525
02:000.340.340.34200.340.340.3420
03:000.340.340.34200.340.340.3420
04:000.450.450.45200.450.450.4520
05:001.251.251.25201.251.251.2520
06:001.751.11.1201.751.11.120
07:003.250.360.36353.250.360.3635
08:003.250.340.34353.250.340.3435
09:003.250.340.34353.250.340.3435
10:003.250.330.33113.250.330.3311
11:003.250.340.34113.250.340.3411
12:003.250.320.32113.250.320.3211
13:001.990.330.33111.990.330.3311
14:003.250.320.32113.250.320.3211
15:003.250.320.32113.250.320.3211
16:003.250.320.32353.250.320.3235
17:003.250.330.33113.250.330.3311
18:003.250.380.38113.250.380.3811
19:003.250.380.38113.250.380.3811
20:003.250.380.38113.250.380.3811
21:003.250.370.37253.250.370.3725
22:003.250.320.32253.250.320.3225
23:001.750.20.2251.750.20.225