P-5

Ancillary Services Prices, Day Ahead Market

07/29/2009

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)
00:001.361.360280.250.25028
01:001.331.330280.250.25028
02:000.740.740280.250.25028
03:000.250.250280.250.25028
04:000.250.250280.250.25028
05:00110280.250.25028
06:001.351.350280.250.25028
07:001.391.390281.391.39028
08:001.381.380281.381.38028
09:003.893.890.1283.893.890.128
10:0063.380.52863.380.528
11:0073.380.52873.380.528
12:008.53.38229.58.53.38229.5
13:0012.562.4929.998.992.492.4929.99
14:0073.47229.573.47229.5
15:0016.459.95229.58.52229.5
16:0016.459.951.6429.148.141.641.6429.14
17:0011.945.440.52870.50.528
18:008.363.380.52872.020.528
19:0053.380.52853.380.528
20:0053.350.52853.350.528
21:0053.380.52853.380.528
22:005.51.370285.51.37028
23:001.351.350280.250.25028