P-5

Ancillary Services Prices, Day Ahead Market

05/07/2009

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)
00:003.343.340.25300.250.250.2530
01:003.363.360.25300.250.250.2530
02:003.363.360.25300.250.250.2530
03:003.363.360.25300.250.250.2530
04:003.363.360.25300.250.250.2530
05:003.363.360.25300.250.250.2530
06:003.383.380.2543.230.250.250.2543.23
07:0010.223.380.163570.160.1635
08:0010.223.380.1635.9870.160.1635.98
09:0010.223.380.163070.160.1630
10:009.863.360.53070.50.530
11:009.883.380.53070.50.530
12:009.883.380.53070.50.530
13:009.883.380.53070.50.530
14:009.883.380.53070.50.530
15:009.883.380.53070.50.530
16:009.883.380.53070.50.530
17:009.883.380.53070.50.530
18:0010.223.380.163070.160.1630
19:0010.223.380.163070.160.1630
20:0010.293.390.13070.10.130
21:0010.173.360.193070.190.1930
22:0073.350.53073.350.530
23:003.343.340.25300.250.250.2530