P-5

Ancillary Services Prices, Day Ahead Market

05/18/2009

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)
00:003.093.090.25320.250.250.2532
01:003.343.340.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:003.343.340.25320.250.250.2532
06:003.333.330.2533.270.250.250.2533.27
07:0053.410.53253.410.532
08:005.683.390.5325.683.390.532
09:0073.390.53273.390.532
10:0073.390.53273.390.532
11:0073.390.53273.390.532
12:0073.390.53273.390.532
13:0073.390.53273.390.532
14:0073.390.53273.390.532
15:0073.390.53273.390.532
16:0073.390.53273.390.532
17:007.353.360.53273.010.532
18:005.973.360.5325.973.360.532
19:006.623.360.5326.623.360.532
20:0073.360.53273.360.532
21:006.853.360.5326.853.360.532
22:003.383.380.5323.383.380.532
23:003.323.320.25320.250.250.2532