P-5

Ancillary Services Prices, Day Ahead Market

09/01/2005

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)
00:000.250.250.2550.250.250.255
01:000.20.20.2350.20.20.235
02:000.20.20.240.10.20.20.240.1
03:000.20.20.240.020.20.20.240.02
04:000.20.20.237.840.20.20.237.84
05:000.20.20.2550.20.20.255
06:000.20.20.2500.20.20.250
07:004.764.190.5504.764.190.550
08:0070.250.255070.250.2550
09:0010.694.190.553.6670.50.553.66
10:008.31.80.55070.50.550
11:00103.50.55070.50.550
12:00103.50.517.9370.50.517.93
13:008.882.380.517.9370.50.517.93
14:008.071.570.517.1270.50.517.12
15:007.370.870.517.1270.50.517.12
16:0012.330.850.57570.50.575
17:00100.850.57570.50.575
18:00100.870.57570.50.575
19:0070.50.57570.50.575
20:00100.50.57570.50.575
21:00100.50.57570.50.575
22:0010.794.290.569.0170.50.569.01
23:00330.25200.250.250.2520