P-5

Ancillary Services Prices, Day Ahead Market

07/16/2009

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)
00:000.840.840.1280.250.250.128
01:002.242.240.1280.250.250.128
02:000.250.250.1280.250.250.128
03:000.250.250.1280.250.250.128
04:000.250.250.1280.250.250.128
05:000.250.250.1280.250.250.128
06:00110.1280.250.250.128
07:003.43.40.1283.43.40.128
08:0053.390.12853.390.128
09:0053.390.52853.390.528
10:005.723.360.5285.723.360.528
11:008.353.350.528720.528
12:0073.340.52873.340.528
13:009.853.350.52870.50.528
14:009.893.390.52870.50.528
15:0011.593.450.52870.50.528
16:0013.883.390.548.3770.50.548.37
17:009.873.370.542.7970.50.542.79
18:007.393.330.52872.940.528
19:0053.330.52853.330.528
20:0053.350.52853.350.528
21:003.373.370.1283.373.370.128
22:0053.402853.4028
23:003.353.350280.250.25028