P-5

Ancillary Service Prices, Day Ahead Market

10/20/2004

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
01:000.190.190.19200.190.190.1920
02:000.190.190.19400.190.190.1940
03:000.190.190.19400.190.190.1940
04:000.190.190.19400.190.190.1940
05:000.840.840.84400.840.840.8440
06:000.840.840.84400.840.840.8440
07:000.370.370.37400.370.370.3740
08:000.350.350.35400.350.350.3540
09:001.990.340.34401.990.340.3440
10:0030.330.3317.4930.330.3317.49
11:0030.330.331430.330.3314
12:0030.20.21430.20.214
13:0030.20.21430.20.214
14:0030.20.21430.20.214
15:001.990.20.2141.990.20.214
16:0030.20.24030.20.240
17:001.990.320.3217.491.990.320.3217.49
18:0050.20.217.4950.20.217.49
19:0040.320.3217.4940.320.3217.49
20:000.990.320.3217.490.990.320.3217.49
21:001.990.340.34401.990.340.3440
22:000.20.20.2400.20.20.240
23:000.840.840.84200.840.840.8420