P-5

Ancillary Services Prices, Day Ahead Market

08/02/2007

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)
00:000.250.25043.90.250.25043.9
01:000.20.20450.20.2045
02:000.20.20450.20.2045
03:000.20.20450.20.2045
04:000.20.20450.20.2045
05:000.20.20450.20.2045
06:000.180.180450.180.18045
07:000.740.740500.740.74050
08:000.740.740500.740.74050
09:003.053.050553.053.05055
10:006.443.090.5556.443.090.555
11:006.953.050.5556.953.050.555
12:009.553.050.554.9870.50.554.98
13:009.563.060.55570.50.555
14:00103.50.55570.50.555
15:00103.50.55570.50.555
16:00147.50.57570.50.575
17:0010.524.994.0263.8810.524.994.0263.88
18:009.563.061.3755.877.871.371.3755.87
19:006.954.580.5556.954.580.555
20:0073.060.55573.060.555
21:008.843.893.5258.028.843.893.5258.02
22:004.953.490.5504.953.490.550
23:000.740.740300.250.25030