P-5

Ancillary Services Prices, Day Ahead Market

11/08/2008

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)
00:000.250.250.25450.250.250.2545
01:000.30.30.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.30.30.362.620.30.30.362.62
06:003.363.360.385.70.30.30.385.7
07:0073.360.510073.360.5100
08:003.343.340.594.623.343.340.594.62
09:0073.350.585.7273.350.585.72
10:009.843.340.85857.350.850.8585
11:007.823.340.7545.257.252.770.7545.25
12:0073.340.54573.340.545
13:003.463.340.5453.463.340.545
14:003.333.330.5453.333.330.545
15:003.333.330.5453.333.330.545
16:009.533.320.99857.491.280.9985
17:009.833.33357.649.53357.64
18:009.833.33161.517.51161.51
19:009.833.330.9982.27.490.990.9982.2
20:0073.320.58573.320.585
21:003.333.330.5853.333.330.585
22:003.343.340.5783.343.340.578
23:003.323.320.3450.30.30.345