P-5

Ancillary Services Prices, Day Ahead Market

02/20/2009

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)
00:003.363.360.25450.250.250.2545
01:003.373.370.25450.250.250.2545
02:003.373.370.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:003.373.370.25450.250.250.2545
05:003.373.370.25450.250.250.2545
06:003.383.380.25450.250.250.2545
07:0010.093.590.54570.50.545
08:009.993.49347.59.53347.5
09:0010.794.29246.58.52246.5
10:009.953.452.1646.668.662.162.1646.66
11:009.963.46246.58.52246.5
12:009.953.450.54570.50.545
13:009.953.450.54570.50.545
14:008.493.380.54571.890.545
15:008.493.370.54571.880.545
16:008.713.362.2146.718.713.362.2146.71
17:009.863.362.847.39.32.82.847.3
18:0073.360.549.4673.360.549.46
19:0010.143.36246.788.782246.78
20:008.53.36246.58.53.36246.5
21:009.53.37347.59.53.37347.5
22:0073.370.54573.370.545
23:003.333.330.25450.250.250.2545