P-5

Ancillary Services Prices, Day Ahead Market

09/20/2005

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)
00:000.20.20.1430.20.20.143
01:000.20.20.1430.20.20.143
02:000.20.20.1430.20.20.143
03:000.20.20.1430.20.20.143
04:000.20.20.1430.20.20.143
05:000.20.20.1430.20.20.143
06:000.20.20.17430.20.20.1743
07:004.173.090.544.874.173.090.544.87
08:0070.250.2539.3470.250.2539.34
09:009.192.690.53570.50.535
10:009.192.690.53570.50.535
11:009.993.490.536.2670.50.536.26
12:009.092.590.52870.50.528
13:009.583.080.9929.077.490.990.9929.07
14:009.993.490.9928.497.490.990.9928.49
15:007.861.360.9930.917.490.990.9930.91
16:00100.990.9956.23100.990.9956.23
17:00100.990.9949.428.410.990.9949.42
18:0070.50.537.1870.50.537.18
19:007.940.50.57570.50.575
20:0011.380.50.54070.50.540
21:00103.50.53570.50.535
22:007.122.640.532.6272.520.532.62
23:00330.25430.250.250.2543