P-5

Ancillary Services Prices, Day Ahead Market

05/09/2009

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)
00:003.323.320.25320.250.250.2532
01:003.343.340.25320.250.250.2532
02:003.343.340.25320.250.250.2532
03:003.343.340.25320.250.250.2532
04:003.343.340.25320.250.250.2532
05:003.343.340.25320.250.250.2532
06:003.323.320.2534.960.250.250.2534.96
07:003.363.360.539.83.363.360.539.8
08:003.363.360.5323.363.360.532
09:0073.380.53273.380.532
10:0073.350.53273.350.532
11:008.323.350.53272.030.532
12:009.573.350.53270.780.532
13:009.863.360.53270.50.532
14:009.863.360.53270.50.532
15:009.863.360.53270.50.532
16:0073.360.53273.360.532
17:0073.360.53273.360.532
18:0053.360.53253.360.532
19:0053.360.53253.360.532
20:0073.360.53273.360.532
21:006.53.350.5326.53.350.532
22:004.473.380.5324.473.380.532
23:003.333.330.25320.250.250.2532