P-5

Ancillary Services Prices, Day Ahead Market

09/14/2005

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
03:000.20.20430.20.2043
04:000.20.20430.20.2043
05:000.20.20430.20.2043
06:000.20.20.1430.20.20.143
07:0073.890.1959.3473.890.1959.34
08:0070.50.552.0570.50.552.05
09:0010.393.890.536.2170.50.536.21
10:0022.484.390.536.7370.50.536.73
11:0028.924.390.533.5370.50.533.53
12:0021.674.390.52870.50.528
13:0049.4742.970.533.5170.50.533.51
14:0036.094.590.536.6470.50.536.64
15:0036.094.590.559.1470.50.559.14
16:0038.134.990.574.628.640.50.574.62
17:0036.294.790.57570.50.575
18:0042.0335.530.57570.50.575
19:0035.794.290.57570.50.575
20:00204.290.53570.50.535
21:0026.024.290.538.0370.50.538.03
22:0012.74.390.543.170.50.543.1
23:00330.25430.250.250.2543