P-5

Ancillary Services Prices, Day Ahead Market

01/31/2009

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)
00:003.353.350.25450.250.250.2545
01:003.353.350.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.43.43.448.153.43.43.448.15
06:003.353.350.645.350.60.60.645.35
07:0073.360.54573.360.545
08:0073.370.54573.370.545
09:009.993.490.54570.50.545
10:009.963.460.54570.50.545
11:009.963.460.54570.50.545
12:008.613.360.54571.750.545
13:0073.360.54573.360.545
14:0073.360.54573.360.545
15:0073.360.54573.360.545
16:0073.360.54573.360.545
17:009.883.380.54570.50.545
18:009.883.380.54570.50.545
19:009.883.380.54570.50.545
20:009.863.360.54570.50.545
21:009.873.370.8445.347.340.840.8445.34
22:009.883.380.54570.50.545
23:003.383.380.3450.30.30.345