P-5

Ancillary Service Prices, Day Ahead Market

10/22/2004

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)
00:000.380.380.38200.380.380.3820
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
05:000.450.450.45400.450.450.4540
06:000.390.390.39750.390.390.3975
07:000.20.20.2750.20.20.275
08:0040.20.27540.20.275
09:0040.20.24040.20.240
10:0040.20.24040.20.240
11:0040.20.21440.20.214
12:0040.20.21440.20.214
13:0040.20.21440.20.214
14:0040.20.21440.20.214
15:0040.20.21440.20.214
16:0040.20.24040.20.240
17:0040.20.24040.20.240
18:0040.360.3619.540.360.3619.5
19:0050.360.364050.360.3640
20:0040.20.24040.20.240
21:0030.20.24030.20.240
22:000.330.330.33400.330.330.3340
23:000.450.450.45200.450.450.4520