P-5

Ancillary Service Prices, Day Ahead Market

01/25/2004

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)
00:00100.50.520100.50.520
01:000.370.370.37200.370.370.3720
02:000.190.190.19200.190.190.1920
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.190.190.19200.190.190.1920
06:003.250.370.37203.250.370.3720
07:00100.20.211100.20.211
08:00100.190.1911100.190.1911
09:00100.20.211100.20.211
10:00100.20.225100.20.225
11:00100.20.225100.20.225
12:00100.20.225100.20.225
13:00100.20.225100.20.225
14:00100.20.225100.20.225
15:00100.20.225100.20.225
16:00100.160.1625100.160.1625
17:00100.20.225100.20.225
18:00100.20.225100.20.225
19:00100.20.225100.20.225
20:00100.160.1625100.160.1625
21:00100.170.1725100.170.1725
22:00100.190.1925100.190.1925
23:00100.370.3720100.370.3720