P-5

Ancillary Services Prices, Day Ahead Market

02/27/2008

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)
00:00550.357.510.30.30.357.51
01:003.493.490.3590.30.30.359
02:003.493.490.362.060.30.30.362.06
03:003.493.490.3450.30.30.345
04:003.493.490.3450.30.30.345
05:00550.363.160.30.30.363.16
06:00550.373.40.30.30.373.4
07:0011.550.577.570.50.577.5
08:0011.550.58770.50.587
09:0015.6850.55570.50.555
10:0017.8850.58770.50.587
11:0022.0551.8151.318.311.811.8151.31
12:0020.950.55070.50.550
13:0019.8550.55070.50.550
14:0018.5450.55070.50.550
15:0019.2450.55070.50.550
16:0020.950.59070.50.590
17:0016.9549010.54490
18:0040.82549014.824490
19:0026.16548710.54487
20:0019.8653.68710.13.63.687
21:0019.6353.5253.0210.023.523.5253.02
22:0011.550.55070.50.550
23:004.994.990.3450.30.30.345