P-5

Ancillary Services Prices, Day Ahead Market

09/08/2005

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)
00:000.840.840.25430.250.250.2543
01:000.250.250.25430.250.250.2543
02:000.20.20.2430.20.20.243
03:000.20.20.2430.20.20.243
04:000.20.20.2430.20.20.243
05:000.20.20.2430.20.20.243
06:003.493.490.25850.250.250.2585
07:0074.190.57574.190.575
08:008.80.50.57570.50.575
09:00123.490.57570.50.575
10:00103.090.56970.50.569
11:00103.090.533.0570.50.533.05
12:00123.090.9928.497.490.990.9928.49
13:00153.090.9933.57.490.990.9933.5
14:00153.090.9938.057.490.990.9938.05
15:00153.090.9950.217.490.990.9950.21
16:00150.990.9958.787.490.990.9958.78
17:00150.990.99597.490.990.9959
18:00153.890.57570.50.575
19:00153.890.57570.50.575
20:00153.890.553.8670.50.553.86
21:0014.094.290.559.5870.50.559.58
22:0011.094.590.576.3770.50.576.37
23:003.093.090.25430.250.250.2543