P-5

Ancillary Services Prices, Day Ahead Market

07/10/2007

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)
00:000.190.19043.930.190.19043.93
01:000.140.140450.140.14045
02:000.130.130450.130.13045
03:000.130.130450.130.13045
04:000.130.130450.130.13045
05:000.130.130450.130.13045
06:000004500045
07:000.20.20500.20.2050
08:000.190.190500.190.19050
09:003.893.890.1553.893.890.155
10:006.954.390.5556.954.390.555
11:00104.390.55571.390.555
12:0013.697.190.56070.50.560
13:0014.598.093.5568.0510.053.553.5568.05
14:0018.6812.18468.510.54468.5
15:0018.4911.99468.510.54468.5
16:0018.9512.450.597.6170.50.597.61
17:0018.9512.454.0182.7910.514.014.0182.79
18:00107.50.56574.50.565
19:00107.50.56574.50.565
20:008.374.990.56573.620.565
21:006.954.390.5556.954.390.555
22:006.113.090.5506.113.090.550
23:000.250.250.1350.250.250.135