P-5

Ancillary Services Prices, Day Ahead Market

02/20/2007

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)
00:000.20.20.16500.20.20.1650
01:000.20.20.2500.20.20.250
02:000.20.20.2500.20.20.250
03:000.20.20.2500.20.20.250
04:000.20.20.2500.20.20.250
05:000.20.20.19550.20.20.1955
06:000.250.250.16600.250.250.1660
07:0074.390.57074.390.570
08:0071.330.57071.330.570
09:0073.040.57073.040.570
10:0073.030.57073.030.570
11:0073.030.55573.030.555
12:003.613.030.5553.613.030.555
13:00330.555330.555
14:00330.555330.555
15:003.023.020.5553.023.020.555
16:00330.555330.555
17:009.533.03276.58.52276.5
18:0018.844.794.0186.0618.064.014.0186.06
19:008.673.032808.52.86280
20:008.443.031.9471.448.443.031.9471.44
21:0073.030.56073.030.560
22:0070.50.55570.50.555
23:000.250.250.25550.250.250.2555