P-5

Ancillary Services Prices, Day Ahead Market

06/29/2008

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)
00:003.383.380.16450.250.250.1645
01:003.333.330.16450.250.250.1645
02:000.250.250.16450.250.250.1645
03:000.250.250.16450.250.250.1645
04:000.250.250.1646.740.250.250.1646.74
05:000.250.250.1648.940.250.250.1648.94
06:003.323.320.1655.570.250.250.1655.57
07:003.383.380.1652.923.383.380.1652.92
08:0073.390.165073.390.1650
09:0073.410.164073.410.1640
10:006.953.370.16456.953.370.1645
11:006.954.290.547.916.954.290.547.91
12:006.954.290.540.436.954.290.540.43
13:0074.290.54774.290.547
14:0074.290.54774.290.547
15:0010.794.290.550.7970.50.550.79
16:009.893.390.56070.50.560
17:009.893.390.56070.50.560
18:0073.890.56073.890.560
19:006.953.890.5606.953.890.560
20:0073.890.56073.890.560
21:0073.360.56073.360.560
22:0073.390.55073.390.550
23:003.373.370.16450.250.250.1645