P-5

Ancillary Service Prices, Day Ahead Market

10/09/2004

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
01:000.320.320.32200.320.320.3220
02:000.320.320.32200.320.320.3220
03:000.320.320.32200.320.320.3220
04:000.320.320.32200.320.320.3220
05:000.320.320.32400.320.320.3240
06:000.380.380.38990.380.380.3899
07:00100.840.8499100.840.8499
08:00100.450.4599100.450.4599
09:00100.450.4590100.450.4590
10:00100.450.4540100.450.4540
11:00100.340.3414100.340.3414
12:00100.330.3314100.330.3314
13:00100.330.3314100.330.3314
14:00100.330.3314100.330.3314
15:00100.320.3214100.320.3214
16:00100.190.1940100.190.1940
17:00100.320.3240100.320.3240
18:00100.20.240100.20.240
19:00100.20.240100.20.240
20:00100.20.240100.20.240
21:00100.450.4540100.450.4540
22:0030.450.454030.450.4540
23:0030.840.842030.840.8420