P-5

Ancillary Services Prices, Day Ahead Market

02/25/2008

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)
00:003.493.490.3450.30.30.345
01:003.83.80.3450.30.30.345
02:003.83.80.3450.30.30.345
03:003.83.80.3450.30.30.345
04:003.83.80.3450.30.30.345
05:00550.3450.30.30.345
06:008.9850.3650.30.30.365
07:0012.9350.577.570.50.577.5
08:0014.9950.577.570.50.577.5
09:0023.6550.55070.50.550
10:0027.550.55070.50.550
11:0027.0250.55070.50.550
12:0023.0550.55070.50.550
13:0021.550.55070.50.550
14:0020.6750.55070.50.550
15:0020.6750.55070.50.550
16:0023.7150.59070.50.590
17:0020.8450.58770.50.587
18:0023.1453879.53387
19:0012.350.55070.50.550
20:0036.550.59070.50.590
21:0020.6650.59070.50.590
22:0011.550.59070.50.590
23:00550.3450.30.30.345