P-5

Ancillary Service Prices, Day Ahead Market

01/20/2004

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)
00:003.250.380.38253.250.380.3825
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
05:003.250.40.4253.250.40.425
06:003.2511203.251120
07:003.250.20.2253.250.20.225
08:00100.190.1925100.190.1925
09:00100.20.225100.20.225
10:00100.20.211100.20.211
11:00100.20.211100.20.211
12:003.250.20.2113.250.20.211
13:003.250.20.2113.250.20.211
14:003.250.20.2113.250.20.211
15:003.250.20.2113.250.20.211
16:00100.20.225100.20.225
17:00100.370.3725100.370.3725
18:00440.20.225440.20.225
19:00100.350.3525100.350.3525
20:00100.170.1725100.170.1725
21:001.750.170.17251.750.170.1725
22:003.250.190.19253.250.190.1925
23:003.250.380.38253.250.380.3825