P-5

Ancillary Service Prices, Day Ahead Market

10/17/2004

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)
00:000.370.370.37200.370.370.3720
01:000.250.250.25200.250.250.2520
02:000.250.250.25200.250.250.2520
03:000.250.250.25200.250.250.2520
04:000.250.250.25200.250.250.2520
05:000.250.250.25200.250.250.2520
06:000.370.370.37200.370.370.3720
07:0030.990.991430.990.9914
08:0040.840.841440.840.8414
09:0040.840.841440.840.8414
10:0050.450.451450.450.4514
11:0050.330.331450.330.3314
12:0050.330.331450.330.3314
13:0050.330.331450.330.3314
14:0050.330.331450.330.3314
15:0050.330.331450.330.3314
16:0050.190.194050.190.1940
17:0050.190.194050.190.1940
18:0050.190.194050.190.1940
19:0050.190.194050.190.1940
20:0050.190.194050.190.1940
21:0050.450.454050.450.4540
22:0050.450.454050.450.4540
23:001.990.840.84201.990.840.8420