P-5

Ancillary Services Prices, Day Ahead Market

05/26/2009

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
01:003.373.370.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:003.373.370.25320.250.250.2532
06:003.353.35132.7511132.75
07:004.394.390.532.54.394.390.532.5
08:003.413.410.5413.413.410.541
09:0063.460.53263.460.532
10:006.043.390.5326.043.390.532
11:008.93.390.53271.490.532
12:0063.390.53263.390.532
13:0063.390.53263.390.532
14:0063.390.53263.390.532
15:0063.390.53263.390.532
16:0063.370.53263.370.532
17:0063.370.53263.370.532
18:006.53.370.5326.53.370.532
19:006.53.370.5326.53.370.532
20:006.53.360.5326.53.360.532
21:006.723.390.5326.723.390.532
22:0053.490.53253.490.532
23:002.692.690.25320.250.250.2532