P-5

Ancillary Service Prices, Day Ahead Market

12/05/2003

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)
00:000.430.430.4200.40.40.420
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:002.522.520.4200.40.40.420
06:002.522.520.4200.40.40.420
07:001.750.20.2171.750.20.217
08:001.750.20.2171.750.20.217
09:001.750.20.2171.750.20.217
10:001.750.20.2111.750.20.211
11:001.750.190.19111.750.190.1911
12:001.750.190.19111.750.190.1911
13:001.750.190.19111.750.190.1911
14:001.750.190.19111.750.190.1911
15:001.750.190.19111.750.190.1911
16:001.750.270.27111.750.270.2711
17:00101.41.417101.41.417
18:003.251.271.27173.251.271.2717
19:001.991.21.2111.991.21.211
20:001.750.270.27201.750.270.2720
21:003.250.50.5203.250.50.520
22:001.750.260.26201.750.260.2620
23:002.522.521.25201.251.251.2520