P-5

Ancillary Service Prices, Day Ahead Market

10/23/2004

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
01:000.380.380.38200.380.380.3820
02:000.370.370.37200.370.370.3720
03:000.250.250.25200.250.250.2520
04:000.380.380.38200.380.380.3820
05:001.261.261.26501.261.261.2650
06:000.840.840.84500.840.840.8450
07:000.20.20.2500.20.20.250
08:0030.20.25030.20.250
09:0040.20.25040.20.250
10:0040.20.25040.20.250
11:0040.20.21440.20.214
12:0040.20.21440.20.214
13:0040.20.21440.20.214
14:0030.20.21430.20.214
15:0030.20.21430.20.214
16:0040.20.25040.20.250
17:0040.20.25040.20.250
18:0040.20.25040.20.250
19:0040.190.195040.190.1950
20:0040.20.25040.20.250
21:0040.20.25040.20.250
22:001.990.20.2501.990.20.250
23:000.840.840.84200.840.840.8420