P-5

Ancillary Services Prices, Day Ahead Market

09/29/2005

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)
00:00330.15430.250.250.1543
01:000.250.250.1430.250.250.143
02:000.20.20.144.920.20.20.144.92
03:000.20.20.148.390.20.20.148.39
04:000.20.20.145.530.20.20.145.53
05:000.250.250.1124.560.250.250.1124.56
06:00330.17750.250.250.1775
07:009.8530.159570.150.1595
08:007.150.250.17570.10.175
09:007.350.850.57570.50.575
10:00102.640.57570.50.575
11:00102.640.542.0270.50.542.02
12:00102.640.533.0570.50.533.05
13:007.490.990.9930.547.490.990.9930.54
14:008.992.490.9932.047.490.990.9932.04
15:008.992.490.9932.047.490.990.9932.04
16:007.810.990.9940.357.810.990.9940.35
17:007.490.990.9945.117.490.990.9945.11
18:007.490.990.9950.837.490.990.9950.83
19:0034.142.640.557.1970.50.557.19
20:0034.530.557.5570.50.557.55
21:0022.6530.551.1270.50.551.12
22:009.593.090.57570.50.575
23:0029.194.190.25430.250.250.2543