P-5

Ancillary Service Prices, Day Ahead Market

01/23/2004

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)
00:003.250.370.37253.250.370.3725
01:000.160.160.16250.160.160.1625
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:003.250.380.38253.250.380.3825
06:003.250.50.5253.250.50.525
07:003.250.20.2253.250.20.225
08:003.250.20.2253.250.20.225
09:003.250.350.35253.250.350.3525
10:00100.370.3711100.370.3711
11:00100.20.211100.20.211
12:003.250.190.19113.250.190.1911
13:001.750.20.2111.750.20.211
14:001.750.20.2111.750.20.211
15:003.250.20.2113.250.20.211
16:003.250.20.2253.250.20.225
17:00101.191.1925101.191.1925
18:003.2511113.251111
19:003.250.380.38113.250.380.3811
20:003.250.350.35253.250.350.3525
21:003.250.370.37253.250.370.3725
22:003.250.20.2253.250.20.225
23:003.250.350.35253.250.350.3525