P-5

Ancillary Services Prices, Day Ahead Market

12/11/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.2547.890.250.250.2547.89
03:000.250.250.2546.380.250.250.2546.38
04:000.250.250.2547.80.250.250.2547.8
05:000.250.250.2548.070.250.250.2548.07
06:002.642.642.6477.342.642.642.6477.34
07:0073.490.525073.490.5250
08:0072.640.525072.640.5250
09:0010.393.890.511070.50.5110
10:009.993.490.525070.50.5250
11:0073.040.510073.040.5100
12:009.993.490.57570.50.575
13:009.993.490.57570.50.575
14:0073.040.57573.040.575
15:009.993.490.57570.50.575
16:009.543.040.59070.50.590
17:0014.623.893.693.110.13.63.693.1
18:0010.063.563.5693.0610.063.563.5693.06
19:009.533.03392.59.53392.5
20:009.533.030.59070.50.590
21:0073.040.58073.040.580
22:0072.640.57072.640.570
23:000.30.30.3700.30.30.370