P-5

Ancillary Services Prices, Day Ahead Market

02/18/2007

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
01:000.20.20.2500.20.20.250
02:000.20.20.2500.20.20.250
03:000.20.20.2500.20.20.250
04:000.20.20.2500.20.20.250
05:000.250.250.25550.250.250.2555
06:000.250.250.25600.250.250.2560
07:002.642.640.5702.642.640.570
08:000.50.50.5700.50.50.570
09:005.864.390.5705.864.390.570
10:0073.030.57073.030.570
11:0073.030.55573.030.555
12:0073.030.55573.030.555
13:0073.030.55573.030.555
14:004.953.030.5554.953.030.555
15:004.643.030.5554.643.030.555
16:0073.020.55573.020.555
17:0024.994.990.575.370.50.575.3
18:0036.494.992808.52280
19:0018.183.59276.58.52276.5
20:009.543.040.57070.50.570
21:0011.094.590.56070.50.560
22:000.970.970.5550.970.970.555
23:000.250.250.25550.250.250.2555