P-5

Ancillary Services Prices, Day Ahead Market

12/27/2005

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)
00:000.250.250.2430.250.250.243
01:000.250.250.2430.250.250.243
02:000.20.20.2430.20.20.243
03:000.20.20.2430.20.20.243
04:000.250.250.2430.250.250.243
05:00330.21000.250.250.2100
06:003.943.890.293.150.250.20.293.15
07:0070.50.58870.50.588
08:008.170.980.98888.170.980.9888
09:009.993.490.99887.490.990.9988
10:009.530.99887.490.990.9988
11:009.530.5528.057.050.550.5528.05
12:009.262.760.52870.50.528
13:007.672.290.52871.620.528
14:007.092.290.52872.20.528
15:008.942.440.52870.50.528
16:0014.980.990.9988.0114.980.990.9988.01
17:00300.990.9986.11300.990.9986.11
18:0022.010.990.997522.010.990.9975
19:0018.850.980.987518.850.980.9875
20:0013.770.250.258813.770.250.2588
21:009.530.58870.50.588
22:0070.250.2577.6470.250.2577.64
23:000.20.20.2430.20.20.243