P-5

Ancillary Services Prices, Day Ahead Market

02/12/2007

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)
00:000.250.250.25500.250.250.2550
01:000.250.250.25500.250.250.2550
02:000.250.250.25500.250.250.2550
03:000.250.250.25500.250.250.2550
04:000.250.250.25500.250.250.2550
05:000.250.250.25550.250.250.2555
06:000.250.250.25600.250.250.2560
07:0011.294.790.58070.50.580
08:0011.294.792808.52280
09:0011.294.792808.52280
10:007.9531.45807.9531.4580
11:0072.960.55572.960.555
12:0072.960.55572.960.555
13:0072.960.55572.960.555
14:00730.555730.555
15:00730.555730.555
16:0072.950.589.8372.950.589.83
17:0010.023.523.5291.2710.023.523.5291.27
18:0011.444.944.9410011.444.944.94100
19:007.493.010.99857.493.010.9985
20:008.53.022808.53.02280
21:009.0630.574.8670.940.574.86
22:0070.50.55570.50.555
23:000.30.30.3550.30.30.355