P-5

Ancillary Services Prices, Day Ahead Market

02/15/2008

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)
00:004.294.29466.784.294.29466.78
01:004.294.29469.754.294.29469.75
02:004.294.29474.284.294.29474.28
03:004.294.29475.524.294.29475.52
04:004.294.29473.424.294.29473.42
05:004553.7140.3843.73.73.7140.38
06:003051.6769.181.671.671.6769.18
07:0045541074444107
08:00455487444487
09:0047.045489.0446.044489.04
10:0044.875486.8743.874486.87
11:00415483404483
12:0038.795480.7937.794480.79
13:0037.265479.2636.264479.26
14:0032.915474.9131.914474.91
15:0028.2753.5669.8326.833.563.5669.83
16:0020.3953.588018.973.583.5880
17:0034.2750.58070.50.580
18:0028.6850.58070.50.580
19:0021.8650.551.7870.50.551.78
20:0011.550.55070.50.550
21:0019.8553.78018.553.73.780
22:0031.3553.68029.953.63.680
23:006.134.99449.895.144449.89