P-5

Ancillary Services Prices, Day Ahead Market

01/25/2006

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)
00:000.250.250.1430.250.250.143
01:000.20.20.1430.20.20.143
02:000.20.20.1430.20.20.143
03:000.20.20.1430.20.20.143
04:000.20.20.1430.20.20.143
05:003.493.490.1581.20.250.250.1581.2
06:003.693.590.151000.250.150.15100
07:007.150.250.161.8670.10.161.86
08:007.150.250.162.4670.10.162.46
09:009.8530.155070.150.1550
10:009.930.15070.10.150
11:009.930.12870.10.128
12:009.930.12870.10.128
13:009.492.640.152870.150.1528
14:009.492.640.152870.150.1528
15:009.492.640.152870.150.1528
16:0013.40.250.259013.40.250.2590
17:0026.190.990.997526.190.990.9975
18:0015.220.990.9968.515.220.990.9968.5
19:0013.310.990.9962.3213.310.990.9962.32
20:0016.0330.845013.870.840.8450
21:0010.330.99908.290.990.9990
22:0032.070.250.187570.180.1875
23:0029.194.190.25430.250.250.2543