P-5

Ancillary Services Prices, Day Ahead Market

02/14/2008

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)
00:003.493.493157.39333157.39
01:003.593.593157.14333157.14
02:003.593.593158.39333158.39
03:003.593.593155.96333155.96
04:003.593.593159.34333159.34
05:004253226.894033226.89
06:0032.324.594107.3332.324.594107.33
07:0020.0453.751.9913.993.73.751.99
08:0011.553.545510.043.543.5455
09:0017.65347.59.53347.5
10:0016.765347.59.53347.5
11:0016.075347.59.53347.5
12:0015.285347.59.53347.5
13:0012.015347.59.53347.5
14:0011.55347.59.53347.5
15:0011.55347.59.53347.5
16:0011.55357.79.53357.7
17:0021.8450.556.8470.50.556.84
18:0031.0750.560.8470.50.560.84
19:0019.2750.54570.50.545
20:0011.550.54570.50.545
21:0011.55347.59.53347.5
22:0011.55347.59.53347.5
23:0019.414.594112.0418.8244112.04