P-5

Ancillary Services Prices, Day Ahead Market

12/12/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.2555.040.250.250.2555.04
03:000.250.250.2554.640.250.250.2554.64
04:000.250.250.2556.350.250.250.2556.35
05:000.250.250.2553.250.250.250.2553.25
06:000.250.250.25500.250.250.2550
07:001.60.840.5107.171.60.840.5107.17
08:006.950.50.51076.950.50.5107
09:006.193.070.5103.226.193.070.5103.22
10:006.793.070.5102.576.793.070.5102.57
11:006.633.070.51006.633.070.5100
12:003.033.030.5753.033.030.575
13:003.033.030.5753.033.030.575
14:003.023.020.5753.023.020.575
15:003.023.020.5753.023.020.575
16:009.573.073.0787.579.573.073.0787.57
17:009.533.033.0397.539.533.033.0397.53
18:009.533.033.0397.539.533.033.0397.53
19:009.573.073.0787.579.573.073.0787.57
20:00103.53.588103.53.588
21:0073.030.57073.030.570
22:0070.50.55070.50.550
23:000.250.250.25500.250.250.2550