P-5

Ancillary Services Prices, Day Ahead Market

02/08/2008

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)
00:00550.2546.130.250.250.2546.13
01:003.493.490.2546.510.250.250.2546.51
02:003.493.490.2547.440.250.250.2547.44
03:003.493.490.2546.740.250.250.2546.74
04:003.493.490.25450.250.250.2545
05:00550.2551.050.250.250.2551.05
06:00550.25550.250.250.2555
07:0011.550.57070.50.570
08:0026.1950.510070.50.5100
09:0032.1150.58570.50.585
10:0031.650.58570.50.585
11:0033.9250.55070.50.550
12:0026.6650.55070.50.550
13:0025.8250.55070.50.550
14:0027.3550.55070.50.550
15:0023.8150.55070.50.550
16:0011.550.575.9570.50.575.95
17:0011.553.4759.93.43.475
18:0011.553.06759.563.063.0675
19:0011.55352.59.53352.5
20:0017.9450.55070.50.550
21:0014.8650.55070.50.550
22:0011.550.55070.50.550
23:004.594.590.3450.30.30.345