P-5

Ancillary Services Prices, Day Ahead Market

05/05/2009

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
06:003.373.370.2530.890.250.250.2530.89
07:0010.23.390.1933.3870.190.1933.38
08:006.953.370.536.325.371.790.536.32
09:009.883.380.53070.50.530
10:009.873.370.53070.50.530
11:009.873.370.53070.50.530
12:009.873.370.53070.50.530
13:006.953.360.5306.52.910.530
14:006.953.360.5306.52.910.530
15:009.873.370.53070.50.530
16:009.873.370.53070.50.530
17:009.873.370.53070.50.530
18:0010.23.370.173070.170.1730
19:0010.173.360.193070.190.1930
20:0010.283.380.13070.10.130
21:0010.283.380.13070.10.130
22:0073.370.53073.370.530
23:003.373.370.25300.250.250.2530