P-5

Ancillary Services Prices, Day Ahead Market

03/31/2005

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)
00:000.920.840.17200.250.170.1720
01:000.20.20.19200.20.20.1920
02:000.20.20.19200.20.20.1920
03:000.20.20.19200.20.20.1920
04:000.20.20.19200.20.20.1920
05:002.061.990.1852.840.250.180.1852.84
06:000.840.840.2562.290.250.250.2562.29
07:007.490.990.99407.490.990.9940
08:00110.230.2340110.230.2340
09:00110.450.4540110.450.4540
10:00110.380.3840110.380.3840
11:007.870.380.3817.937.870.380.3817.93
12:0070.380.381470.380.3814
13:0070.380.381470.380.3814
14:0070.380.381470.380.3814
15:0070.380.381470.380.3814
16:0070.370.373870.370.3738
17:0010.420.370.373870.370.3738
18:00130.370.3738130.370.3738
19:0013.190.370.373813.190.370.3738
20:00130.180.1838130.180.1838
21:0070.20.24570.20.245
22:007.010.20.1957.2270.190.1957.22
23:002.061.990.18200.250.180.1820