P-5

Ancillary Services Prices, Day Ahead Market

12/07/2007

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)
00:000.840.840.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:000.30.30.3750.30.30.375
07:0072.270.5109.7972.270.5109.79
08:007.160.660.5107.4270.50.5107.42
09:009.993.490.99101.097.490.990.99101.09
10:009.533.030.63102.877.130.630.63102.87
11:0073.030.510073.030.5100
12:0073.020.57573.020.575
13:0073.020.57573.020.575
14:0073.020.57573.020.575
15:0073.020.57573.020.575
16:009.543.040.510070.50.5100
17:00103.53.5103103.53.5103
18:0012.273.53.5103103.53.5103
19:009.533.033.03102.539.533.033.03102.53
20:009.543.043124.639.533124.63
21:0073.010.58073.010.580
22:0070.50.57070.50.570
23:000.30.30.3700.30.30.370