P-5

Ancillary Services Prices, Day Ahead Market

01/20/2006

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)
00:000.340.340.25430.250.250.2543
01:000.250.250.25430.250.250.2543
02:000.250.250.25430.250.250.2543
03:000.250.250.25430.250.250.2543
04:000.250.250.25430.250.250.2543
05:002.592.590.25750.250.250.2575
06:003.893.890.25107.390.250.250.25107.39
07:007.090.260.1793.170.170.1793.1
08:0011.480.250.179011.40.170.1790
09:0010.6930.84508.530.840.8450
10:001030.84507.840.840.8450
11:009.530.7528.257.250.750.7528.25
12:009.530.52870.50.528
13:009.530.52870.50.528
14:009.530.52870.50.528
15:009.530.52870.50.528
16:009.092.590.9939.157.490.990.9939.15
17:0025.542.640.9951.7923.890.990.9951.79
18:0020.482.540.9946.4218.930.990.9946.42
19:0018.682.690.9941.7316.980.990.9941.73
20:0039.8930.999012.880.990.9990
21:00453.490.9994.7317.50.990.9994.73
22:0032.090.590.59070.50.590
23:0029.594.590.25430.250.250.2543