P-5

Ancillary Service Prices, Day Ahead Market

02/06/2004

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)
00:001.990.370.37251.990.370.3725
01:001.750.50.5251.750.50.525
02:000.50.50.5200.50.50.520
03:000.50.50.5200.50.50.520
04:000.50.50.5200.50.50.520
05:001.750.380.38201.750.380.3820
06:0030.370.372530.370.3725
07:0030.20.23530.20.235
08:0030.190.193530.190.1935
09:0030.20.23530.20.235
10:0030.20.21130.20.211
11:0030.20.21130.20.211
12:0030.20.21130.20.211
13:0030.20.21130.20.211
14:0030.20.21130.20.211
15:0030.20.21130.20.211
16:00120.160.1635120.160.1635
17:00120.20.211120.20.211
18:00120.180.1811120.180.1811
19:0030.160.161130.160.1611
20:0030.160.162530.160.1625
21:0030.190.192530.190.1925
22:001.750.20.2251.750.20.225
23:001.750.20.2251.750.20.225