P-5

Ancillary Services Prices, Day Ahead Market

03/18/2007

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)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25500.250.250.2550
06:000.250.250.25550.250.250.2555
07:002.592.590.5652.592.590.565
08:0072.640.56572.640.565
09:00103.50.56570.50.565
10:00103.090.9765.477.470.970.9765.47
11:00103.090.56570.50.565
12:00103.090.55570.50.555
13:00103.090.55570.50.555
14:009.543.040.55570.50.555
15:009.533.030.55570.50.555
16:009.533.030.55570.50.555
17:009.543.04266.58.52266.5
18:0016.23.053.0579.6512.53.053.0579.65
19:0019.193.493.4992.7113.43.493.4992.71
20:0014.93.04288.099.272288.09
21:00103.090.56070.50.560
22:009.993.490.55570.50.555
23:003.093.090.3550.30.30.355