P-5

Ancillary Services Prices, Day Ahead Market

01/13/2009

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)
00:003.093.090.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.793.790.3450.30.30.345
06:004.194.190.3500.30.30.350
07:0074.290.56574.290.565
08:007.624.291.1253.897.624.291.1253.89
09:007.624.291.1245.627.624.291.1245.62
10:007.623.491.1245.627.623.491.1245.62
11:007.493.490.9945.497.493.490.9945.49
12:0073.490.54573.490.545
13:0073.490.54573.490.545
14:0073.490.54573.490.545
15:0073.490.54573.490.545
16:007.622.691.1252.697.622.691.1252.69
17:0010.053.553.5558.0510.053.553.5558.05
18:0013.83.893.8955.8113.83.893.8955.81
19:009.53.09347.59.53.09347.5
20:007.623.091.1245.627.623.091.1245.62
21:003.493.490.5453.493.490.545
22:003.493.490.5453.493.490.545
23:001.761.760.3450.30.30.345