P-5

Ancillary Services Prices, Day Ahead Market

07/17/2007

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)
00:000.250.250450.250.25045
01:000.180.180450.180.18045
02:000.180.180450.180.18045
03:000.170.170450.170.17045
04:000.170.170450.170.17045
05:000.170.170450.170.17045
06:000.010.010450.010.01045
07:000.740.740500.740.74050
08:000.740.740500.740.74050
09:003.053.050553.053.05055
10:003.493.490.1959.313.493.490.1959.31
11:0073.490.558.0573.490.558.05
12:007.923.070.542.9272.150.542.92
13:00147.50.559.0570.50.559.05
14:0014.27.70.559.2570.50.559.25
15:0016.379.870.56570.50.565
16:00147.50.567.2370.50.567.23
17:0013.767.260.56570.50.565
18:0073.060.562.6973.060.562.69
19:006.953.070.564.256.953.070.564.25
20:007.193.490.56573.30.565
21:0010.393.890.55570.50.555
22:0073.890.55073.890.550
23:002.592.590.1350.250.250.135