P-5

Ancillary Services Prices, Day Ahead Market

02/27/2007

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)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25500.250.250.2550
06:000.250.250.25550.250.250.2555
07:0073.090.56573.090.565
08:008.051.550.9965.497.490.990.9965.49
09:0011.094.59266.58.52266.5
10:0010.393.893.763.210.23.73.763.2
11:0010.393.893.5458.0410.043.543.5458.04
12:00103.5256.58.52256.5
13:00103.5256.58.52256.5
14:009.723.220.55570.50.555
15:008.953.040.55571.090.555
16:009.593.04251.558.552251.55
17:009.83.043.0472.89.83.043.0472.8
18:0019.843.893.8987.8419.843.893.8987.84
19:0010.193.043.0478.1910.193.043.0478.19
20:00103.193.1968103.193.1968
21:009.593.090.56070.50.560
22:009.593.090.55570.50.555
23:000.30.30.3550.30.30.355