P-5

Ancillary Service Prices, Day Ahead Market

01/01/2004

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)
00:003.251.11.1603.251.11.160
01:000.390.390.39600.390.390.3960
02:000.390.390.39200.390.390.3920
03:000.390.390.39200.390.390.3920
04:000.390.390.39200.390.390.3920
05:001.251.251.25201.251.251.2520
06:001.21.21.2201.21.21.220
07:000.20.20.2750.20.20.275
08:000.20.20.2750.20.20.275
09:000.20.20.2750.20.20.275
10:000.20.20.2110.20.20.211
11:000.20.20.2110.20.20.211
12:000.20.20.2110.20.20.211
13:000.20.20.2110.20.20.211
14:000.20.20.2110.20.20.211
15:000.20.20.2110.20.20.211
16:0030.360.361130.360.3611
17:003.250.450.45113.250.450.4511
18:003.250.450.45113.250.450.4511
19:0030.450.451130.450.4511
20:000.380.380.38110.380.380.3811
21:001.991.251.25111.991.251.2511
22:003.250.370.37753.250.370.3775
23:003.250.840.84203.250.840.8420