P-5

Ancillary Services Prices, Day Ahead Market

05/30/2009

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)
00:003.353.350.25320.250.250.2532
01:003.333.330.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:003.333.330.25320.250.250.2532
06:003.333.330.25450.250.250.2545
07:003.353.350.5221.333.353.350.5221.33
08:003.343.340.5217.053.343.340.5217.05
09:0063.390.53263.390.532
10:0063.380.53263.380.532
11:006.13.370.5326.13.370.532
12:0073.370.53273.370.532
13:006.53.370.5326.53.370.532
14:006.53.370.5326.53.370.532
15:006.813.370.5326.813.370.532
16:006.53.350.5326.53.350.532
17:0063.350.53263.350.532
18:006.53.350.5326.53.350.532
19:006.53.350.5326.53.350.532
20:006.53.350.5326.53.350.532
21:006.53.360.5326.53.360.532
22:003.393.390.5323.393.390.532
23:003.323.320.25320.250.250.2532