P-5

Ancillary Service Prices, Day Ahead Market

01/18/2004

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)
00:003.250.50.5203.250.50.520
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.20.20.2200.20.20.220
06:000.190.190.19200.190.190.1920
07:003.250.250.25113.250.250.2511
08:003.250.20.2113.250.20.211
09:003.250.20.2113.250.20.211
10:003.250.20.2253.250.20.225
11:003.250.20.2253.250.20.225
12:003.250.20.2253.250.20.225
13:003.250.20.2253.250.20.225
14:003.250.20.2253.250.20.225
15:003.250.20.2253.250.20.225
16:00100.20.225100.20.225
17:00440.160.1625440.160.1625
18:00440.160.1625440.160.1625
19:00440.20.225440.20.225
20:00440.160.1625440.160.1625
21:00100.190.1925100.190.1925
22:00100.20.225100.20.225
23:003.250.50.5253.250.50.525