P-5

Ancillary Services Prices, Day Ahead Market

05/29/2009

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)
00:000.250.250.25320.250.250.2532
01:000.250.250.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:000.250.250.25320.250.250.2532
06:003.093.090.3332.080.330.330.3332.08
07:0073.420.534.573.420.534.5
08:005.433.390.98425.433.390.9842
09:0063.390.53263.390.532
10:006.373.380.5326.373.380.532
11:0073.380.53273.380.532
12:0073.380.53273.380.532
13:0073.380.53273.380.532
14:0073.380.53273.380.532
15:0073.380.53273.380.532
16:007.173.350.6732.177.173.350.6732.17
17:007.363.350.9832.487.363.350.9832.48
18:007.113.350.9832.487.113.350.9832.48
19:006.53.350.5326.53.350.532
20:006.53.350.5326.53.350.532
21:0073.370.53273.370.532
22:0053.390.53253.390.532
23:003.343.340.25320.250.250.2532