P-5

Ancillary Services Prices, Day Ahead Market

11/18/2008

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)
00:002.492.490.25450.250.250.2545
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
05:003.323.320.25450.250.250.2545
06:003.353.350.25450.250.250.2545
07:009.873.370.54570.50.545
08:0073.340.54573.340.545
09:007.493.350.9945.497.493.350.9945.49
10:0073.340.54573.340.545
11:0073.340.54573.340.545
12:009.883.380.54570.50.545
13:009.873.370.54570.50.545
14:008.173.340.54572.170.545
15:009.873.370.54570.50.545
16:007.623.331.1245.627.623.331.1245.62
17:009.873.373.3747.879.873.373.3747.87
18:008.213.331.7146.218.213.331.7146.21
19:008.213.331.7146.218.213.331.7146.21
20:007.973.331.4745.977.973.331.4745.97
21:009.743.341.7146.218.211.811.7146.21
22:0073.340.54573.340.545
23:003.343.340.3450.30.30.345