P-5

Ancillary Services Prices, Day Ahead Market

05/03/2009

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)
00:003.193.190.1300.250.250.130
01:003.343.340.1300.250.250.130
02:003.353.350.16300.250.250.1630
03:003.353.350.16300.250.250.1630
04:003.343.340.1300.250.250.130
05:003.343.340.1300.250.250.130
06:003.333.330.1300.250.250.130
07:003.363.360.1303.363.360.130
08:003.353.350.1303.353.350.130
09:0053.350.13053.350.130
10:0053.340.13053.340.130
11:006.623.340.1306.623.340.130
12:006.63.340.1306.63.340.130
13:006.593.340.1306.593.340.130
14:006.593.340.1306.593.340.130
15:006.593.340.1306.593.340.130
16:007.83.340.13072.540.130
17:007.83.340.13072.540.130
18:007.773.340.13072.570.130
19:009.723.340.193070.620.1930
20:009.843.340.53070.50.530
21:0010.243.340.13070.10.130
22:005.53.350.1305.53.350.130
23:003.353.350.1300.250.250.130