P-5

Ancillary Services Prices, Day Ahead Market

10/31/2006

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)
00:000.840.840.8443.590.840.840.8443.59
01:002.692.69244.7522244.75
02:002.692.69244.7522244.75
03:002.692.69244.7522244.75
04:002.692.69244.7522244.75
05:003.793.790.25430.250.250.2543
06:0022244.7522244.75
07:0010.794.291.5144.018.011.511.5144.01
08:009.993.493.4945.999.993.493.4945.99
09:0010.063.563.5646.0610.063.563.5646.06
10:0010.023.523.5246.0210.023.523.5246.02
11:009.993.493.4945.999.993.493.4945.99
12:009.593.092.344.88.82.32.344.8
13:009.593.092.3744.878.872.372.3744.87
14:009.593.092.7445.249.242.742.7445.24
15:009.593.090.9843.487.480.980.9843.48
16:009.813.313.3145.819.813.313.3145.81
17:0029.064.264.2646.7610.764.264.2646.76
18:0021.574.014.0146.5110.514.014.0146.51
19:0020.753.893.746.210.23.73.746.2
20:009.513.013.0145.519.513.013.0145.51
21:009.993.490.9843.487.480.980.9843.48
22:007.483.090.9843.487.483.090.9843.48
23:000.250.250.25430.250.250.2543