P-5

Ancillary Services Prices, Day Ahead Market

02/28/2008

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)
00:00550.3450.30.30.345
01:00550.3450.30.30.345
02:00550.3450.30.30.345
03:00550.3450.30.30.345
04:00550.3450.30.30.345
05:005.1750.3700.30.30.370
06:008.5850.3700.30.30.370
07:0026.9753.78010.23.73.780
08:0033.79548010.54480
09:0039.895456.8913.894456.89
10:0037.795458.3611.794458.36
11:0036.55453.510.54453.5
12:0036.550.55070.50.550
13:0036.550.55070.50.550
14:0036.550.55070.50.550
15:0036.550.55070.50.550
16:0036.553.529710.023.523.5297
17:0025.52549010.54490
18:00455475.97194475.97
19:0039.285459.1213.284459.12
20:0026.685453.510.54453.5
21:0028.5353.452.99.93.43.452.9
22:0011.094.590.55070.50.550
23:004.44.40.3450.30.30.345