P-5

Ancillary Services Prices, Day Ahead Market

05/14/2009

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)
00:000.840.840.25320.250.250.2532
01:003.323.320.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:003.323.320.25320.250.250.2532
06:003.343.340.2533.270.250.250.2533.27
07:005.933.390.5405.933.390.540
08:0073.380.53273.380.532
09:0073.380.53273.380.532
10:0073.370.53273.370.532
11:0073.380.53273.380.532
12:0073.380.53273.380.532
13:0073.380.53273.380.532
14:0073.380.53273.380.532
15:0073.380.53273.380.532
16:0073.360.53273.360.532
17:0073.360.53273.360.532
18:0073.370.53273.370.532
19:0053.370.53253.370.532
20:0073.360.53273.360.532
21:006.423.370.5326.423.370.532
22:003.353.350.5323.353.350.532
23:000.610.610.25320.250.250.2532