P-5

Ancillary Service Prices, Day Ahead Market

10/21/2004

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)
00:000.390.390.39200.390.390.3920
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.840.840.84400.840.840.8440
06:0030.450.457530.450.4575
07:0040.320.327540.320.3275
08:0040.20.27540.20.275
09:0030.360.364030.360.3640
10:0040.360.3617.540.360.3617.5
11:0040.360.361440.360.3614
12:0040.20.21440.20.214
13:0040.20.21440.20.214
14:0040.20.21440.20.214
15:0040.20.21440.20.214
16:0030.20.24030.20.240
17:0040.350.3517.540.350.3517.5
18:0030.360.3617.530.360.3617.5
19:0040.360.3617.540.360.3617.5
20:0050.360.3617.550.360.3617.5
21:0050.370.374050.370.3740
22:0030.340.344030.340.3440
23:001.991.261.26201.991.261.2620