P-5

Ancillary Services Prices, Day Ahead Market

09/19/2005

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)
00:000.20.20.1430.20.20.143
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
05:000.20.20.1430.20.20.143
06:000.20.20.2430.20.20.243
07:003.253.090.543.093.253.090.543.09
08:004.680.250.2539.864.680.250.2539.86
09:007.12.040.53571.940.535
10:0070.50.53570.50.535
11:0070.50.533.4870.50.533.48
12:0070.50.52870.50.528
13:009.583.080.9928.497.490.990.9928.49
14:009.993.490.9928.497.490.990.9928.49
15:00103.50.9933.057.490.990.9933.05
16:008.860.990.9973.928.860.990.9973.92
17:00100.990.9947.78100.990.9947.78
18:0070.50.541.2870.50.541.28
19:008.330.50.57570.50.575
20:0010.323.490.539.9270.50.539.92
21:0010.233.730.53570.50.535
22:009.593.090.536.4270.50.536.42
23:00330.25430.250.250.2543