P-5

Ancillary Services Prices, Day Ahead Market

08/12/2007

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)
00:000.840.840.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.20.20.2450.20.20.245
07:000.20.20.2450.20.20.245
08:000.840.840.5450.840.840.545
09:003.493.490.5553.493.490.555
10:003.493.490.5553.493.490.555
11:006.063.490.5556.063.490.555
12:007.53.49155.57.53.49155.5
13:009.333.49155.57.51.66155.5
14:009.513.490.55570.980.555
15:0010.423.920.55570.50.555
16:00103.50.55570.50.555
17:009.553.050.55570.50.555
18:009.533.03155.57.51155.5
19:007.53.02155.57.53.02155.5
20:008.353.02155.57.52.17155.5
21:0073.490.55573.490.555
22:00103.890.54570.890.545
23:005.93.99150.655.93.99150.65