P-5

Ancillary Services Prices, Day Ahead Market

06/07/2008

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)
00:003.493.490.1450.250.250.145
01:003.83.80.1450.250.250.145
02:003.83.80.149.930.250.250.149.93
03:000.250.25054.310.250.25054.31
04:000.250.25056.510.250.25056.51
05:000.250.25052.360.250.25052.36
06:003.493.490.195.960.250.250.195.96
07:004.84.80.1604.84.80.160
08:0074.80.19074.80.190
09:0074.80.19074.80.190
10:0074.80.59074.80.590
11:00750.590750.590
12:00750.590750.590
13:00750.590750.590
14:00750.590750.590
15:0016.5100.59070.50.590
16:0020.68100.59070.50.590
17:0021.59100.59070.50.590
18:0016.5100.59070.50.590
19:0016.5100.59070.50.590
20:0016.5100.59070.50.590
21:0020.52100.59070.50.590
22:0016.5100.55070.50.550
23:00550.25450.250.250.2545