P-5

Ancillary Service Prices, Day Ahead Market

09/22/2004

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)
00:000.370.370.2200.20.20.220
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.20.20.2550.20.20.255
06:000.370.370.2880.20.20.288
07:000.190.190.19880.190.190.1988
08:000.370.370.37550.370.370.3755
09:000.450.450.45400.450.450.4540
10:000.20.20.2400.20.20.240
11:000.20.20.2140.20.20.214
12:000.20.20.2140.20.20.214
13:000.20.20.2140.20.20.214
14:000.320.320.32140.320.320.3214
15:000.320.320.32140.320.320.3214
16:000.990.320.32160.990.320.3216
17:000.20.20.2160.20.20.216
18:000.380.380.38400.380.380.3840
19:000.20.20.2400.20.20.240
20:000.150.150.15400.150.150.1540
21:000.990.20.2400.990.20.240
22:001.990.20.2401.990.20.240
23:000.840.840.84200.840.840.8420