P-5

Ancillary Services Prices, Day Ahead Market

05/30/2008

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)
00:003.093.090.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.390.390.2549.040.250.250.2549.04
06:004.384.290.1668.860.250.160.1668.86
07:0030.144.60.110070.10.1100
08:009.192.690.54570.50.545
09:009.993.490.54570.50.545
10:009.833.333.3352.839.833.333.3352.83
11:009.883.383.3852.889.883.383.3852.88
12:009.883.383.3852.889.883.383.3852.88
13:009.893.393.3952.899.893.393.3952.89
14:009.853.353.3547.859.853.353.3547.85
15:0073.340.54573.340.545
16:009.833.333.3347.839.833.333.3347.83
17:0073.320.54573.320.545
18:009.853.350.54570.50.545
19:009.853.350.54570.50.545
20:009.583.323.0862.589.583.323.0862.58
21:0010.043.543.5448.0410.043.543.5448.04
22:009.993.490.55070.50.550
23:003.493.490.25450.250.250.2545