P-5

Ancillary Services Prices, Day Ahead Market

12/17/2007

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)
00:000.20.20.275.080.20.20.275.08
01:000.20.20.293.090.20.20.293.09
02:000.20.20.292.780.20.20.292.78
03:000.20.20.299.330.20.20.299.33
04:000.250.250.2594.890.250.250.2594.89
05:000.840.840.2564.040.250.250.2564.04
06:000.250.250.25500.250.250.2550
07:000.50.50.5850.50.50.585
08:001.720.50.5851.720.50.585
09:0074.020.58574.020.585
10:0074.020.58574.020.585
11:006.694.020.5856.694.020.585
12:006.124.020.5856.124.020.585
13:006.264.020.5856.264.020.585
14:004.014.010.5854.014.010.585
15:0074.020.58574.020.585
16:0074.010.510074.010.5100
17:0018.784.054.01119.4218.744.014.01119.42
18:0010.834.042.02119.488.522.022.02119.48
19:0010.544.040.5106.7470.50.5106.74
20:0074.010.510074.010.5100
21:00440.585440.585
22:000.50.50.5450.50.50.545
23:000.250.250.25450.250.250.2545