P-5

Ancillary Services Prices, Day Ahead Market

11/17/2008

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)
00:000.250.250.25450.250.250.2545
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
05:000.250.250.25450.250.250.2545
06:003.333.330.25450.250.250.2545
07:0073.370.54573.370.545
08:009.883.380.54570.50.545
09:009.953.450.54570.50.545
10:009.883.380.54570.50.545
11:009.873.370.54570.50.545
12:0073.340.54573.340.545
13:009.873.370.54570.50.545
14:0073.340.54573.340.545
15:0073.340.54573.340.545
16:0073.330.54573.330.545
17:009.843.34347.59.53347.5
18:009.843.341.4745.977.971.471.4745.97
19:009.843.341.4745.977.971.471.4745.97
20:009.873.370.9945.497.490.990.9945.49
21:009.883.380.54570.50.545
22:0073.350.54573.350.545
23:003.323.320.3450.30.30.345