P-5

Ancillary Services Prices, Day Ahead Market

12/17/2005

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)
00:000.250.250.17430.250.250.1743
01:000.20.20.17430.20.20.1743
02:000.20.20.17430.20.20.1743
03:000.20.20.17430.20.20.1743
04:000.20.20.17430.20.20.1743
05:000.20.20.17490.20.20.1749
06:003.0530.2750.250.20.275
07:007.150.250.17570.10.175
08:007.230.250.027570.020.0275
09:009.743.240.54970.50.549
10:009.653.150.54970.50.549
11:009.653.150.529.4470.50.529.44
12:009.930.12870.10.128
13:008.992.490.52870.50.528
14:008.992.490.52870.50.528
15:008.992.490.52870.50.528
16:0070.50.57570.50.575
17:0025.664.290.9983.122.360.990.9983.1
18:0017.524.290.9987.614.220.990.9987.6
19:0010.794.290.583.9270.50.583.92
20:0070.250.2583.0470.250.2583.04
21:0070.50.582.5170.50.582.51
22:009.8230.1860.9570.180.1860.95
23:003.0730.18430.250.180.1843