P-5

Ancillary Service Prices, Day Ahead Market

01/13/2004

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)
00:000.190.190.19250.190.190.1925
01:000.20.20.2250.20.20.225
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.20.20.2250.20.20.225
06:003.251.271.27253.251.271.2725
07:003.250.20.2253.250.20.225
08:00100.20.225100.20.225
09:00100.40.425100.40.425
10:00100.350.3511100.350.3511
11:00100.350.3511100.350.3511
12:003.250.350.35113.250.350.3511
13:003.250.350.35113.250.350.3511
14:003.250.350.35113.250.350.3511
15:00100.350.3511100.350.3511
16:00100.20.225100.20.225
17:00100.20.226100.20.226
18:00100.20.226100.20.226
19:003.250.20.2253.250.20.225
20:00100.20.225100.20.225
21:00100.20.225100.20.225
22:003.250.20.2253.250.20.225
23:0030.50.52530.50.525