P-5

Ancillary Services Prices, Day Ahead Market

05/01/2009

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)
00:003.323.320.16300.250.250.1630
01:003.333.330.16300.250.250.1630
02:000.250.250.16300.250.250.1630
03:000.250.250.17300.250.250.1730
04:000.250.250.17300.250.250.1730
05:003.333.330.17300.250.250.1730
06:003.323.320.17300.250.250.1730
07:0073.360.1734.573.360.1734.5
08:006.963.340.17426.963.340.1742
09:0073.340.53073.340.530
10:007.323.340.53073.020.530
11:008.693.340.53071.650.530
12:009.423.340.53070.920.530
13:009.853.350.53070.50.530
14:009.853.350.53070.50.530
15:009.393.340.5306.550.50.530
16:009.843.340.53070.50.530
17:007.042.690.53072.650.530
18:006.52.690.17306.52.690.1730
19:006.52.690.19306.52.690.1930
20:008.072.690.53071.620.530
21:006.53.320.17306.53.320.1730
22:0010.063.340.173070.280.1730
23:003.093.090.1300.250.250.130