P-5

Ancillary Service Prices, Day Ahead Market

01/30/2004

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)
00:000.190.190.19250.190.190.1925
01:000.120.120.12250.120.120.1225
02:000.150.150.15200.150.150.1520
03:000.120.120.12200.120.120.1220
04:000.120.120.12200.120.120.1220
05:000.20.20.2250.20.20.225
06:001.750.370.37251.750.370.3725
07:0030.190.192530.190.1925
08:0030.160.162530.160.1625
09:0030.20.22530.20.225
10:0030.190.191130.190.1911
11:0030.190.191130.190.1911
12:001.750.180.18111.750.180.1811
13:001.750.180.18111.750.180.1811
14:001.750.180.18111.750.180.1811
15:001.750.160.16111.750.160.1611
16:001.750.180.18251.750.180.1825
17:003.250.350.35253.250.350.3525
18:003.250.350.35113.250.350.3511
19:003.250.350.35253.250.350.3525
20:003.250.190.19253.250.190.1925
21:00130.20.225130.20.225
22:003.250.180.18253.250.180.1825
23:00130.190.1925130.190.1925