P-5

Ancillary Service Prices, Day Ahead Market

11/10/2004

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)
00:000.450.450.25200.250.250.2520
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
05:000.450.450.25400.250.250.2540
06:000.450.450.25750.250.250.2575
07:000.20.20.2650.20.20.265
08:0050.20.26550.20.265
09:0050.320.323550.320.3235
10:0050.20.23550.20.235
11:0030.20.217.4930.20.217.49
12:0030.20.21430.20.214
13:001.990.20.2141.990.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:000.150.150.15750.150.150.1575
17:0050.350.353550.350.3535
18:000.330.330.33400.330.330.3340
19:000.20.20.217.490.20.20.217.49
20:0050.20.23550.20.235
21:0060.20.23560.20.235
22:000.20.20.2350.20.20.235
23:000.450.450.2200.20.20.220