P-5

Ancillary Service Prices, Day Ahead Market

01/26/2004

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)
00:000.150.150.15250.150.150.1525
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
05:000.160.160.16250.160.160.1625
06:003.251.11.1203.251.11.120
07:00100.180.1825100.180.1825
08:00100.170.1725100.170.1725
09:00100.20.225100.20.225
10:00100.20.211100.20.211
11:00100.20.211100.20.211
12:00100.20.211100.20.211
13:00100.20.211100.20.211
14:00100.20.211100.20.211
15:00100.20.211100.20.211
16:00100.190.1925100.190.1925
17:00101.11.125101.11.125
18:00100.560.5625100.560.5625
19:00100.560.5625100.560.5625
20:00100.20.225100.20.225
21:00100.20.225100.20.225
22:00100.180.1825100.180.1825
23:00100.190.1920100.190.1920